Temperature Sensing

Description

There is a very wide range of temperature sensing and control applications in the world today and hence many design alternatives. This solution offers in-depth design information and circuits for building thermal sensing signal chains using the most popular thermal sensors.

Usually the first step in designing a thermal sensing and control system is to determine the temperature range that must be sensed as well as the operating environment. The next step is selecting a thermal sensor. There are four main type of thermal sensors: silicon, thermistor, RTD, and thermocouple. Maxim provides either complete signal chain solutions or integrated ICs that can take the thermal transducer signal, process it, and provide either an analog or digital communication path back to the control device.

Click the design considerations tab to gain an understanding of the key parameters and circuitry needed to build a temperature sensing function. Click the "circuits" or "block diagrams" tab to view reference designs and products suggested for use in various temperature sensing applications.


The first step in designing a temperature sensor circuit is to select the temperature transducer that you are going to use. To do this, you need to know the medium you are measuring (air, water, liquid, solid) and the temperature range that you are measuring. Then you need to know the accuracy of the measurements that you need to make over the measurement range.

Popular thermal transducers include:

  • Thermocouple (range of -180°C to +1300°C)
  • RTD (range -200°C to +900°C)
  • Thermistor (range: -50°C to +150°C)
  • Silicon Sensor (range -20°C to +100°C)

While the range of the sensor that you select must meet that of your application, additional selection criteria generally includes mounting options and cost of both the sensor and the supporting signal chain.

After the transducer is selected, the next step is determining how to extract a usable signal from the transducer and deliver that signal to a controller. The signal extraction circuitry is called the signal chain. For each transducer there are signal chain alternatives, including single chip solutions. Factors in selecting which signal chain to use include accuracy, flexibility, ease of design, and cost.

This page presents some essential design considerations for different popular temperature transducer types.

Thermocouples


Thermocouples are made by joining two wires of dissimilar metals. The point of contact between the wires generates a voltage that is approximately proportional to temperature. Characteristics include wide temperature range (up to +1800°C), low-cost (depending on package), very low output voltage (about 40µV per °C for a K type), reasonable linearity, and moderately complex signal conditioning. Thermocouples require a 2nd temperature sensor (cold-junction compensation) that serves as a temperature reference and signal conditioning requires a look-up table or algorithm correction.

This table shows the output voltage vs. temperature for popular thermocouple types:

Type Temperature Range (°C) Nominal Sensitivity ( µV/°C)
K −180 to +1300 41
J −180 to +800 55
N −270 to +1300 39

The curve below (Figure 1) shows voltage output over temperature range. The curve is reasonably linear, although it clearly has significant deviations from absolute linearity.

Figure 1. Type K thermocouple output voltage vs. temperature.
Figure 1. Type K thermocouple output voltage vs. temperature.

The diagram below shows the deviation from a straight-line approximation, assuming a linear output from 0°C to +1000°C for an average sensitivity of 41.28µV/°C. To improve accuracy, linearity correction can be done by calculating the actual value or by using a lookup table.

Figure 2. Type K thermocouple deviation from a straight-line approximation.
Figure 2. Type K thermocouple deviation from a straight-line approximation.

Measuring temperature with a thermocouple can be challenging if the temperature range is narrow because the output of the thermocouple is so low. It is also complicated because additional thermocouples are created at the point where the thermocouple wires make contact with the copper wires (or traces) that connect to the signal conditioning circuitry. This point is called the cold junction (see Figure 3).

Figure 3. Simple thermocouple circuit.
Figure 3. Simple thermocouple circuit.

A complete thermocouple-to-digital circuit is shown in Figure 4. A precision op amp and precision resistors provide gain to the thermocouple output signal. A temperature sensor at the cold junction location is monitored to correct for cold junction temperature, and an ADC provides output data at the resolution required. In general, calibration is necessary to correct for amplifier offset voltage, as well as resistor, temperature sensor, and voltage reference errors, and linearization must be performed to correct for the effect of the thermocouple's nonlinear temperature-voltage relationship.

Figure 4. Example of a thermocouple signal-conditioning circuit.
Figure 4. Example of a thermocouple signal-conditioning circuit.

Maxim manufactures a dedicated single chip thermocouple interface that performs the signal conditioning functions for a variety of thermocouple types, thus simplifying the design task and significantly reducing the number of components required to amplify, cold-junction compensate, and digitize the thermocouple's output. The IC is listed under the circuits tab.

Maxim Thermocouple Solutions

Maxim offers both single chip and discrete signal chain alternatives for use with thermocouple sensors. Maxim's single chip Thermocouple-to-Digital interface IC is the MAX31855.

Click on the circuits library tab to view IC solutions and the block diagrams tab for further circuit examples. Additional design information is available in the application notes listed under "Tech Docs."

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Resistance temperature detectors - RTDs


RTDs are essentially resistors whose resistance varies with temperature. Characteristics include a wide temperature range (up to 800°C), excellent accuracy and repeatability, reasonable linearity, and the need for signal conditioning. Signal conditioning for an RTD usually consists of a precision current source and a high-resolution ADC. While RTD are fairly standardized their cost can be high depending on the base material. Platinum is the most common RTD material and Platinum RTDs, referred to as PT-RTDs are the most accurate, other RTD materials include Nickel, Copper, and Tungsten (rare). RTDs are available in probes, in surface-mount packages, and with bare leads.

One factor in determining the useful range of the RTD is the RTD package. The RTD can be made by depositing platinum onto a ceramic substrate or using a platinum wire element housed in a package. The difference in expansion rate of the substrate or package versus the platinum element can cause additional error.

For PT-RTDs, the most common values for nominal resistance at 0°C are 100Ω (PT100), 500Ω(PT500) and 1kΩ (PT1000), although other values are available. The average slope between 0°C and +100°C is called alpha (α). This value depends on the impurities and their concentrations in the platinum. The two most widely used values for alpha are 0.00385 and 0.00392, corresponding to the IEC 751 (PT100) and SAMA standards.

The resistance vs. temperature curve is reasonably linear, but has some curvature, as described by the Callendar-Van Dusen equation:

R(T) = R0(1 + aT + bT2 + c(T - 100)T3)

More information about this equation can be found in the Maxim Thermal Handbook.

The diagram below, Figure 5, shows the curve of resistance vs. temperature for a PT100 RTD along with a straight-line approximation using α. Note that the straight-line approximation is accurate to better than ±0.4°C from -20°C to +120°C.


Figure 5. PT100 RTD resistance vs. temperature. Also shown is the straight-line approximation for 0°C to +100°C.

Figure 6, below, shows the error (in degrees) between the actual resistance and the value calculated from the straight-line approximation:


Figure 6. PT100 nonlinearity compared to linear approximation based on the slope from 0°C to +100°C.

Signal conditioning for a simple 2-wire RTD usually consists of a precision resistor (reference resistor) connected in series with the RTD. A current source that forces current through the RTD and the precision reference resistor, and across the inputs of a high-resolution ADC. The voltage across the reference resistor is the reference voltage for the ADC. The ADC's conversion result is simply the ratio of the RTD's resistance to the reference resistance. An example of a simple RTD signal-conditioning circuit is shown in Figure 7.

Several variations are common. The current source may be integrated into the ADC, or the current source may be eliminated and a voltage source may be used to provide bias to the RTD-RREF divider. This approach is not as common as providing a current supply because the voltage supply provides accurate results only when the wires connecting the RTD to circuit have very low resistance.

Figure 7. Simplified RTD signal-conditioning circuit.
Figure 7. Simplified RTD signal-conditioning circuit.

3-Wire or 4-Wire RTD Interface

When the RTD's cable resistance is significant (greater than a few mΩ for a PT100), a 3-wire or 4-wire RTD will generally be used. Four wires allow force and sense connections to the RTD to eliminate the effect of wire resistance. Three wires provide a compromise solution that partially cancels the effect of cable resistance. Linearization is generally done using a lookup table, although external linear circuits can provide good linearization over a limited temperature range.

To measure the resistance of an RTD, a small electric current (about 1 mA) must flow through the sensor to create the necessary voltage drop. The current causes the platinum element in the RTD to heat up above the temperature of the RTD's environment (also called Joule heating). The heating is proportional to the electric power (P=I2R) in the RTD and the heat transfer between the RTD sensing element and the RTD environment.

The most common standards for RTD tolerances are the American standard (ASTM E1137) Grades A and B and European standard IEC 751 Class A or B.

ASTM E1137 IEC 60751 (2008)
Grade Tolerance Class Tolerance
A ±(0.13 + 0.0017 |t|)  A (Class F0.15) ±(0.15 + 0.002 |t|) 
B ±(0.25 + 0.0042 |t|)  B (Class F0.3) ±(0.3 + 0.005 |t|)

Where |t| is the absolute value of temperature in °C

Maxim RTD Solutions

Maxim offers both single chip and discrete signal chain alternatives for use with RTD sensors. Maxim's single chip RTC-to-Digital interface is the MAX31865.

Click on the circuits library tab to view IC solutions and the block diagrams tab for circuit examples. Additional design information is available in the application notes listed under "Tech Docs."

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Thermistor


Thermistors are temperature-dependent resistors, usually made from conductive materials such as metal-oxide ceramics or polymers. The most common thermistors used for temperature sensing have a negative temperature coefficient (NTC) of resistance. Thermistors are available in probes, in surface-mount packages, with bare leads, and in a variety of specialized packages.

Characteristics include moderate temperature range (generally up to +150°C, though some are capable of much higher temperatures), low-to-moderate cost (depending on accuracy), poor but repeatable linearity. The linearity of a thermistor varies significantly over temperature. Over a range of 0° to 70°C thermistor non-linearity can be ±2°C to ±2.5°C while over a range 10° to 40°C typical non-linearity can be ±0.2°C.

A simple, common approach to using a thermistor is to use a voltage divider as shown in Figure 8, where a thermistor and fixed-value resistor form a voltage divider whose output is digitized by an analog-to-digital converter (ADC).

Figure 8. This basic circuit shows how a thermistor can interface to an ADC. Resistor R1 and the thermistor form a voltage divider with a temperature-dependent output voltage.
Figure 8. This basic circuit shows how a thermistor can interface to an ADC. Resistor R1 and the thermistor form a voltage divider with a temperature-dependent output voltage.

NTC thermistors have a large negative temperature coefficient over wide temperature ranges. The relationship between resistance and temperature for a common NTC is shown in Figure 9. This is an issue for both linear and logarithmic correction over wide temperature ranges.


Figure 9. Resistance vs. temperature curves for a standard NTC. Nominal resistance is 10kΩ at +25°C. Note the nonlinearity and large relative temperature coefficient of curve (a). Curve (b) is based on a logarithmic scale and also exhibits significant nonlinearity.

An NTC's nonlinearity over a wide temperature range can affect the choice of the ADC selected to digitize the temperature signal. Since the slope of the curves in Figure 9 decreases significantly at temperature extremes, the effective temperature resolution of any ADC used with the NTC thermistor is limited at those extremes and this often requires the use of a higher resolution ADC.

Combining an NTC with a fixed resistor in a voltage-divider circuit like the one in Figure 8 provides some linearization, as shown in Figure 10. By selecting an appropriate value for the fixed resistor, the temperature range for which the curve is most linear can be shifted to meet the needs of the application.


Figure 10. Making an NTC voltage-divider, as in Figure 9, helps to linearize the NTC's resistance curve over a limited temperature range. The voltages on the NTC and the external resistor, R1, are shown as a function of temperature. Note that the voltage is roughly linear from 0°C to +70°C.

For wide temperature range applications a common approach is to use the Steinhart–Hart equation. This provides a third order approximation. The error in the Steinhart–Hart equation is generally less than 0.02⁰C over a measurement range of 200°C range.

More information about Steinhart-Hart equation can be found in the Maxim Thermal Handbook.

Maxim Thermistor Solutions

Maxim manufactures a few different single chip thermistor based digital output ICs. While the MAX31865 was designed for use with RTDs, it is also a very good choice for use with a thermistor.

Click on the circuits library tab to view IC solutions and the block diagrams tab for circuit examples. Additional design information is available in the application notes listed under "Tech Docs."

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Silicon


Silicon temperature sensors are available with analog or digital outputs. While the range of a silicon sensor is limited, they are easy to use and many have additional features like thermostat functions.

Analog Temp Sensors

An analog temperature sensor is useful in applications where the output needs to be sent through a current loop to a monitoring device. Digital outputs can also be converted in this case, but then the signal goes through two extra conversion steps.

Analog temperature sensor ICs use the thermal characteristics of bipolar transistors to develop an output voltage or, in some cases, current, that is proportional to temperature.

The simplest analog temperature sensors have just three active connections: ground; power supply voltage input; and output. Other analog sensors with enhanced features may have additional inputs or outputs such as a comparator or voltage reference output.

Figure 11 shows a curve of output voltage vs. temperature for a typical analog temperature sensor, the MAX6605. Figure 12 shows the deviation from a straight line for this sensor. From 0°C to +85°C, the linearity is within about ±0.2°C, which is quite good compared to thermistors, RTDs, and thermocouples.

Figure 11. Output voltage vs. temperature for the MAX6605 analog temperature-sensor IC.
Figure 11. Output voltage vs. temperature for the MAX6605 analog temperature-sensor IC.


Figure12. The MAX6605 output voltage deviation from a straight line. Linearity from 0°C to +85°C is approximately ±0.2°C.

Analog temperature sensors can have excellent accuracy. For example, the DS600 has a guaranteed accuracy of ±0.5°C from -20°C to +100°C. Other analog sensors are available with larger error tolerances, but many of these have very low operating current (on the order of 15µA, max) and are available in small packages (e.g., SC70).

Digital Temperature Sensors

Integrating an analog temperature sensor with an ADC is an easy way to create a temperature sensor with a direct digital interface. Such a device is normally called a digital temperature sensor, or a local digital temperature sensor. "Local" refers to the fact that the sensor measures its own temperature, as opposed to a remote sensor that measures the temperature of an external IC or discrete transistor.

Figure 13 shows block diagrams for two digital temperature sensors. Figure 13a illustrates a sensor that simply measures temperature and clocks the resulting data out through a 3-wire digital interface. Figure 13b shows a sensor that includes several additional features, such as over-/under temperature outputs, registers to set trip thresholds for these outputs, and EEPROM.


Figure 13. Block diagrams of local digital temperature sensors. (a) Simple sensor with serial digital output. (b) Sensor with additional functions, such as over-/under temperature alarm outputs and user EEPROM.

One advantage of using a digital temperature sensor is that all of the errors involved in digitizing the temperature value are included within the sensor's accuracy specifications. In contrast, an analog temperature sensor's specified error must be added to that of any ADC, amplifier, voltage reference, or other component that is used with the sensor. A good example of a very high-performance digital temperature sensor is the MAX31725, which achieves ±0.5°C accuracy across a temperature range of -40°C to +105°C. The MAX31725 can be used over a range of -55°C to +125°C temperature range and provides a maximum temperature error of just ±0.7°C with a 16-bit (0.00390625°C) resolution.

Most digital temperature sensors include one or more outputs that indicate that the measured temperature has gone beyond a preset (usually software-programmable) limit. The output may behave like a comparator output, with one state when temperature is above the threshold and the other state when temperature is below the threshold. Another common implementation is for the output to behave as an interrupt that is reset only in response to an action by the master.

Digital temperature sensors are available with a wide variety of digital interfaces including I2C, SMBus™, SPI™, 1-Wire®, and PWM.

Maxim Analog and Digital Silicon-Based Temperature Solutions

Maxim offers a variety of silicon-based temperature sensors with analog or digital output.

Click on the circuits library tab to view IC solutions and the block diagrams tab for circuit examples. Additional design information is available in the application notes listed under "Tech Docs."

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Boosting Sight for the Visually Impaired

 

“It’s all the little things that Maxim helped us with which add up to make a significant difference.”
 -Patrick Antaki, Co-Founder and President, Evergaze


Featured products: Maxim lens driver, MAX44009, MAX8834, MAX77818, Maxim overvoltage protector ICs

Read Their Story ›

Solar Power in Shady Places

 

“Maxim’s junction box integrated cell-string optimizer has given us maximum design and layout flexibility to put panels on multiple roof planes without compromising performance.”
 -Anand Janaswamy, SVP, Product Development and Utilization at OneRoof Energy


Featured products: Cell-string optimizers

Read Their Story ›

Maxim Power Solutions for Xilinx FPGAs

Here’s evidence that Maxim and Xilinx have been working closely together, to help you power up Xilinx FPGAs without a lot of time, budget, or power supply expertise. Minimize power dissipation and board space, and get to market sooner.

Learn more:  Xilinx Power Partnership ›

Halloween Candy Dispensing Robot

Robot built with Adafruit components dispenses Halloween candy.

Halloween Dropping Spider on Doorbell

Arduino, an ultrasonic sensor, and a servo bring a “dropping spider” prank to life for Halloween.

Laser Tag Game Dispensers

IoT Laser Tag, built with Adafruit components, can be a fun Halloween game.

Haunted Home Automation

Create a haunted home using automation technologies including connected LED light bulbs, Raspberry Pi, and an Amazon Alexa.

Introduction to the MAX32520 ChipDNA™ Secure Arm Cortex M4 Microcontroller with SP800-90A/B TRNG

This video provides an introduction to Maxim's ChipDNA™ Secure Arm Cortex M4 Microcontroller with SP800-90A/B TRNG - the MAX32520.

Introduction to the MAX40660 MAX40661 Transimpedance Amplifier With Low Power Mode for LiDAR Applications

This video provides an introduction to Maxim's Transimpedance Amplifier With Low Power Mode for LiDAR Applications - the MAX40660 MAX40661.

Introduction to the MAX20090 MAX20090B Automotive High-Voltage High-Brightness LED Controller

This video provides an introduction to Maxim’s Simple Automotive High-Voltage HB LED Controller – the MAX0090.

Introduction to the MAX38907 MAX38908 MAX38909 2A/4A High Performance LDO Linear Regulator

This video provides an introduction to Maxim's 2A/4A High Performance LDO Linear Regulator - the MAX38908 product family.

Power Seminar: 24V+ Power Solutions--Power Design Doesn’t Get Any Cooler, Smaller, or Simpler

Introduction and agenda for the Power System Design Seminar series.

Watch first module ›

Developing 77/79GHz CMOS mmWave Radar Sensor ICs

 

"Maxim’s automotive PMIC “perfectly meets our requirements. Not many competitive solutions reach this kind of functional safety level”
 -Jiafeng Wang, Sales Manager, Calterah


Featured product: MAX15027, MAX20014

Read Their Story ›

4-Channel Ultra-Low-Power Electrochemical Sensor AFE

MAX30134

Provides electrochemical impedance spectroscopy measurement capability for 2- and 3-terminal sensors.

Learn more ›

Evaluation System for Electrochemical Sensor AFE

MAX30134EVSYS

Provides a single platform to evaluate DC current and EIS measurement capabilities.

Learn more ›

Understanding DAC Specifications

Understanding DAC Specifications

The digital-to-analog converter (DAC) converts digital words of 0s and 1s to analog voltage signals. This DAC tutorial walks you through the basics of digital-to-analog converter performance, from static to active specifications.

Learn More › Data Converters

MAX30205 Evaluation System

MAX30205EVKIT

System to evaluate the MAX30205 human body temperature sensor. Includes a USB-to-I2C controller and GUI.

Learn more ›

Introduction to the MAXM86161 Single-Supply Integrated Optical Module for HR and SpO2 Measurement

This video provides an introduction to Maxim’s Single-Supply Integrated Optical Module for heart rate and SpO2 Measurement – the MAXM86161.

Introduction to the MAX32570 Low Power ARM Cortex-M4 Microcontroller for Secure Applications

This video provides an introduction to Maxim's Low Power ARM Cortex-M4 Microcontroller for Secure Applications - the MAX32570.

Introduction to the MAX22503E 100 Mbps Full Duplex 3V/5V RS-485/RS422 Transceiver with High EFT Immunity

This video provides an introduction to Maxim's 100 Mbps Full Duplex 3V/5V RS-485/RS422 Transceiver with High EFT Immunity - the MAX22503E.

Introduction to the MAX15158Z High Voltage Multiphase Boost Controller

Introduction to the MAX25612 Automotive Synchronous High-Voltage LED Controller

This video provides an introduction to Maxim's Automotive Synchronous High-Voltage LED Controller - the MAX25612.

Creating an Even Smarter Smartphone

 

Developed by Fujitsu Connected Technologies Limited, the Raku-Raku Smartphone is designed from the ground up to be easy to use, particularly for those who are new to touchscreen operations.

Featured product: MAX30101

Read Their Story ›

Xilinx Artix-7 FPGA Power Solution

 

Cost- and Efficiency-Optimized Power Solutions for Artix-7 Reference Designs

Learn more ›

Xilinx Spartan-7 FPGA Power Solution

 

Cost- and Efficiency-Optimized Power Solutions for Spartan-7 Reference Designs

Learn more ›

Xilinx Zynq Ultrascale+ FPGA Power Solution

 

Complete Power Solutions for Zynq Ultrascale+ Reference Designs

Learn more ›

Introduction to the MAX25611A MAX25611B MAX25611C MAX25611D Automotive High-Voltage HB LED Controller

This video provides an introduction to Maxim’s Simple Automotive High-Voltage HB LED Controller – the MAX25611.

Introduction to the MAX16160 High Accuracy Quad, Any-Input Voltage Monitor and Reset

This video provides an introduction to Maxim's High Accuracy Quad, Any-Input Voltage Monitor and Reset - the MAX16160.

Introduction to the MAX30208 Low-Power, High-Accuracy Digital Temp Sensor

This video provides an introduction to Maxim’s low-power, high-accuracy digital temp sensor – the MAX30208.

Power Protection Fundamentals

In an imperfect world, unpredictable things can happen such as power surges resulting in failing components. System protection strategies help solve these fault problems and preserve system integrity. Learn some tricks of the trade to solve power protection problems before they even occur.

Learn More: Protection and Control ›

Amplifier Offset and Gain Error in a Signal Chain

Common amplifier factors such as offset and gain can introduce errors into the signal chain. Acquire a better understanding of what is behind amplifier offset and gain errors for more effective signal chain design strategies.

Learn More: Analog Products ›

How to Measure Current with the MAX4173 Current-Sense Amplifier and a Microcontroller

In this video, Sean uses the MAX4173 Evaluation Kit together with an Arduino® Uno to measure current. He also discusses the principle behind measuring current and why a current-sense amplifier is a very useful addition to this technique.

Learn more › MAX4173

Introduction to the MAX77654 Ultra-Low Power PMIC Featuring Single-Inductor, 3-Output Buck-Boost, 2-LDOs, Power Path Charger for Small Li+, and Ship Mode

This video provides an introduction to Maxim’s MAX77654, one of the world’s best solutions for low-power consumer applications.

Introduction to the MAX20333 Adjustable Current Limit Switch with Low Power Mode

This video provides an introduction to Maxim’s new Adjustable Current Limit Switch with Low Power Mode – MAX20333.

Introduction to the MAX49017 Micropower Dual Automotive Comparator with Built-In Reference in Small 2x2 TDFN

This video provides an introduction to Maxim’s Nanopower Dual Automotive Comparator with Built-In Reference in Small 2x2 TDFN – the MAX49017.

Overview of Voltage References and Supervisors

In this video, understand the important aspects of voltage references and the key criteria in selecting the right one for your design. Also learn about voltage supervisors, the different types of supervisory products available and their key features.

Learn more: Voltage References ›

EE-Sim Simulation

Use the Simulation Setup Window to run up to six simulation types. If desired, customize a variety of simulation settings. Places to access the resulting waveforms.

Learn more: EE-Sim Design and Simulation Tool ›

Introduction to the MAX86140 and MAX86141 Optical Pulse Oximeter and Heart-Rate Sensor

This video provides an introduction to the MAX86140 and MAX86141, a Best-in-Class Optical Pulse Oximeter and Heart-Rate Sensor for Wearable Health.

Introduction to the MAX40016 4-Decade Current Sense Amplifier with Integrated Rsense Element

This video provides an introduction to the MAX40016, a very wide range current sense amplifier (CSA) with internal sense element that senses from less than 300μA to greater than 3A current range.  

High-Performance, Ultra-Low-Power Stereo Audio Codec with FlexSound® Technology DSP

MAX98090

Fully integrated audio codec includes analog/digital microphone input, stereo Class D speaker amplifier, and DirectDrive headphone amplifier for portable applications.

Learn more ›

Mono 3.2W Smallest Class D Amplifier

MAX98304

0.95mA IQ at 3.7V (1.2mA at 5V), offers five selectable gain settings set by a single gain-select input (GAIN) in 1mm x 1mm package.

Learn more ›

Boosted Class-DG Amplifier with Integrated Dynamic Speaker Management and Industry-Leading Efficiency

MAX98390

Easy-to-use Dynamic Speaker Management (DSM) provides louder and deeper audio while increasing micro speaker sound clarity.

Learn more ›

Tiny, Low-Cost, Plug-and-Play Class D Amplifier with Class AB Performance

MAX98357A

Easy-to-use, low-cost, digital PCM input amplifier provides industry-leading Class AB audio performance with Class D efficiency.

Learn more ›

Introduction to the MAXM15062-63-64-65-66-67-68-MAXM15462-63-64-65-66-67-MAXM17901-03-04-05-06 4.5V to 24V, 42V, 60V 300mA Himalaya uSLIC™ Step-Down Power Modules

This video provides an introduction to Maxim’s 300mA Himalaya uSLIC step-down power modules.

How to Get Started Using the EE-SIM OASIS Simulation Tool to Accurately Simulate Your Circuit Designs

Learn how to simulate a switching power circuit using the EE-Sim® OASIS Tool. Built on the SIMPLIS® simulation engine, the OASIS simulator for switched-mode power ICs provides over 150 power reference designs, which are ready to copy, modify, and simulate.

Learn More: EE-SIM OASIS ›

IO-Link Solutions Demo – electronica 2018

Konrad shows how Maxim's IO-Link® solutions overcome today's challenges when designing for minimum power dissipation in the smallest solution size.

Learn more ›

Introduction to the MAX20343 Ultra Low Quiescent Current, Low Noise 3.5W Buck-Boost Regulator

This video provides an introduction to Maxim’s 3.5W Ultra-Low Iq Buck Boost for Optical Sensing and IoT – the MAX20343.

Introduction to the MAX20006E MAX20008E 36V, 220kHz to 2.2MHz, 6A/8A Fully Integrated Step-Down Converters with 15µA Operating Current

This video provides an introduction to Maxim’s 36V, 220kHz to 2.2MHz, 6A/8A Fully Integrated Step-Down Converters with 15µA Operating Current – the MAX20006E and MAX20008E.

How to Obtain Constant Audio Output Levels Using the MAX9814's Automatic Gain Control Feature

Jesvin explains automatic gain control and how it can be used to attain constant audio output levels. He shows how to achieve effective automatic gain control in microphone amplifiers using the MAX9814 Evaluation Kit.

Learn more: MAX9814 ›

Introduction to the DS28E16 DeepCover® 1-Wire SHA-3 Secure Authenticator

This video provides an introduction to the DS28E16 DeepCover® 1-Wire SHA-3 Secure Authenticator

Using the Peripheral Management Unit – Part 4: A PMU Program

In this video, learn how to use the demo project to blink the LEDs using the PMU and the real-time clock (RTC). The principles gained in this video will help you build your own PMU program for your next project. In the next video, “Using the Peripheral Management Unit–Part 5,” you’ll see how the main() program sets up and uses the PMU on the MAX32630 Evaluation Kit.

Learn More: MAX32630 ›

Taking PC Security to a New Level

Learn how Design Shift, our design house partner, developed ORWL, a personal computer with physical security that utilizes the latest encryption methods to immediately detect tampering. The MAX32550 Cortex-M3 microcontroller with secure boot-loader is integrated into the motherboard to control power, interface with the display, communicate with the key fob and monitor the unit for tampering.

Learn more: MAX32550 ›

How to Save Power in Your Next Portable Project Using the MAX32660 Deep Sleep Feature

Thomas discusses the power-saving features of the MAX32660, including its "deep sleep" mode of operation. He then demonstrates how this is used to save power in a temperature-sensing application.

Learn more: MAX32660 ›

How to Set Up a Microcontroller Project with the Maxim Arm® Cortex® Toolchain in Eclipse

Thomas explains how to download and install the Low-Power Arm Micro Toolchain in Eclipse. He shows how to import sample projects and then how to create your own new microcontroller project.

Learn more: MAX32660 ›

Introduction to the MAX16136 1% Accuracy UV/OV Voltage Monitor with Windowed WD and OV in Tiny 2 x 2 TDFN

This video provides an introduction to Maxim’s 1% Accuracy UV/OV Voltage Monitor with Windowed WD, MR and OV in Tiny 2x2 TDFN – the MAX16136.

Introduction to the MAX5992A MAX5992B Multisource, High-Power, High-Performance Powered Device Controllers

This video provides an introduction to Maxim's Multisource, High-Power, High-Performance Powered Device Controllers - the MAX5992A MAX5992B.

Introduction to the MAX20039-40 2V to 36V, 2.1MHz, 0.6A/1.2A Automotive Buck Boost Converters

This video provides an introduction to Maxim's 2V to 36V, 2.1MHz, 0.6A/1.2A Automotive Buck Boost Converters - the MAX20039-40.

Introduction to the MAX17687 4.5V to 60V Input, Ultra-Small, High-Efficiency, Iso-Buck DC-DC Converter

This video provides an introduction to the MAX17687; a 4.5V to 60V, high efficiency, isolated DC-DC converter.

Introduction to the MAX20029 MAX20029B MAX20029C Automotive Quad/Triple Low Voltage Step-Down DC-DC converters

This video provides an introduction to the MAX20029/MAX20029B/MAX20029C power-management ICs (PMICs) which integrate four low-voltage, high-efficiency, step-down DC-DC converters.

Introduction to the MAX38640A MAX38641A MAX38642A MAX38643A MAX38640B MAX38641B MAX38642B MAX38643B Tiny 1.8V - 5.5V Input, 330nA IQ, 700mA nanoPower Buck Converter

This video provides an introduction to Maxim’s tiny 1.8V - 5.5V input, 330nA IQ, 700mA nanoPower buck converter – the MAX38640A, MAX38641A, MAX38642A, MAX38643A, MAX38640B, MAX38641B, MAX38642B, MAX38643B.

Introduction to the MAX20029 and MAX20029B Automotive Quad/Triple Low Voltage Step-Down DC-DC Converters

This video provides an introduction to the MAX20029/MAX20029B power-management ICs (PMICs), which integrate four low-voltage, high-efficiency, step-down DC-DC converters. Each of the four outputs is factory or resistor programmable between 1.0V to 4.0V.

Power Seminar Module 12: Understanding Specifications of Protection ICs

A detailed look at some of the specifications that are important for a modern integrated protection IC.

Watch first module ›

Power Seminar Module 11: Understanding System Protection

Overview of system protection and why the need for it is increasing.

Watch next module ›

Power Seminar Module 10: Practical Design Considerations for a No-Opto Flyback Converter

How to design a no-opto flyback that implements an isolated power system without using an optocoupler.

Watch next module ›

Power Seminar Module 9: Practical Design Considerations for an Iso-Buck Converter

How to design an iso-buck that implements an isolated power system without using an optocoupler.

Watch next module ›

Power Seminar Module 8: Eliminating Optocouplers for Isolated DC-DC Designs

Introduction to the design of isolated power supplies without using optocouplers to bring secondary signals back to the primary enabling regulation.

Watch next module ›

Power Seminar Module 7: Theory Behind Isolated DC-DC Solutions

Introduction to isolated DC-DC power supply design and the theory behind isolation.

Watch next module ›

Power Seminar Module 5: Layout Considerations

PCB layout considerations:  layout differences can make a big impact on the performance of a power system design.

Watch next module ›

Power Seminar Module 4: Design of Filter Components

Highlights of some of the other components that make up a switch-mode power supply. Focuses on passive components such as inductors and capacitors.

Watch next module ›

Power Seminar Module 3: Synchronous Switching Regulators

In-depth discussion of the operation of synchronous switching regulators, increasingly used to obtain higher power conversion efficiency.

Watch next module ›

Power Seminar Module 2:  Introduction to Control Algorithms in Switching Regulators

An overview of how switching is controlled in switching regulators. Focuses on three popular control algorithms: constant on-time, voltage mode control and current-mode control.

Watch next module ›

Power Seminar Module 1: Introduction to Switching Regulators

Discussion of the concept and theory behind switching regulators and how they are used to build nonisolated power supplies.

Watch next module ›

Evaluation System for I2C Digital Temperature Sensor

MAX30208EVSYS

Provides a single platform to evaluate the MAX30208 temperature sensor with ±0.1°C accuracy.

Learn more ›

Evaluation System for Low-Power, Integrated In-Ear Heart-Rate Monitors

MAXM86161EVSYS

Allows quick evaluation of the MAXM86161 integrated optical module for applications at various sites on the body, particularly in-ear and mobile applications.

Learn more ›

Finger Heart Rate and Pulse Oximeter Smart Sensor with Digital Signal Processing

MAXREFDES220

Quickly prototype designs that measure finger-based heart rate and SpO2 .

Learn more ›

The Future of PoE LED Lighting

See examples of what the future holds for power over ethernet (PoE) LED lighting in the internet of things (IoT).

Learn more:  Smart Lighting ›

In the Lab: Bluetooth Control of Power-over-Ethernet Lighting

See how simple it is to develop Power-over-Ethernet (PoE) based lighting. This video demonstrates an easy way to provide on/off and dimming control for an LED bulb using a smartphone with bluetooth connection. The simple design is made possible by the MAX5969 powered device controller and the MAX16832 high-voltage LED Driver IC.

Learn more:  Smart Lighting ›

Synchronous Power Conversion Technology

Synchronous Power Conversion Technology

www.maximintegrated.com/synchronous-converters

Say Hello to the MAX32625PICO Rapid Development Platform

Get ready for a revolutionary shift in how embedded systems are developed and deployed. The MBED™-compatible MAX32625PICO is an ultra-small yet powerful, complete development platform for the MAX32625 Arm® Cortex®-M4 microcontroller with FPU. You can also use the MAX32625PICO as a debug adapter or drop it directly onto your prototype as a component in a larger application.

Learn More: MAX32625PICO

How to Get Started Logging Temperature with DS1925 iButton Temperature Data Logger

Venkatesh explains how to use the DS1925 iButton® Thermocron® data logger with Maxim’s OneWireViewer software to quickly and easily log temperature data. He also explains how the DS1925 differs from Maxim’s other temperature logger, the DS1922.

Learn More: DS1925 ›

Safeguarding Desktop PCs

 

"Security is a lot easier with Maxim."
 -Olivier Boireau, CEO, Design SHIFT


Featured products: Maxim MAX32550

Read Their Story ›
Watch testimonial ›

産業用電源ステップダウンパワーモジュール

高効率、高電圧DC-DCステップダウンパワーモジュール

これらのパワーモジュールは、効率的なマキシムのスイッチングレギュレータ、完全シールドインダクタ、および多数のその他の受動部品を、1つの薄型、放熱効率に優れたシステムインパッケージ(SiP)に組み込んでいます。これらのモジュールは、産業用温度範囲にわたって動作します。

Industrial Power Step-down Power Modules

High-efficiency, high-voltage DC-DC step-down power modules

These power modules combine an efficient Maxim switching regulator, a fully shielded inductor, and numerous other passive components into one low-profile, thermally-efficient system-in-package (SiP). These modules operate over the industrial temperature range.

Turnkey PCI-PTS Mobile POS (MPOS) Terminal

MPOS-STD2

A complete mPOS solution, pre-evaluated by security labs for compliance with PCI-PTS 4.0 standards.

Learn more ›

Compact Development Board to Build Small, Power-Optimized IoT Applications

MAX32630EVKIT

Power-optimized Arm Cortex-M4F. Optimal peripheral mix provides platform scalability. On-board Bluetooth 4.0 BLE transceiver with chip antenna.

Learn more ›

Introduction to the MAX25611A MAX25611B Automotive High-Voltage HB LED Controller

This video provides an introduction to the MAX25611, a single channel HBLED drivers for automotive front light applications such as high beam, low beam, daytime running light (DRL), turn indicator, fog light and other LED lights.

Introduction to the MAX25615 7A Sink, 3A Source, 12ns, SOT23 MOSFET Drivers

This video provides an introduction to the MAX25615, high-speed MOSFET drivers capable of sinking 7A and sourcing 3A peak currents.

Introduction to the MAX17303 MAX17313 1-Cell ModelGauge m5 EZ Fuel Gauge with Protector

This video provides an introduction to Maxim's 1-Cell ModelGauge m5 EZ Fuel Gauge with Protector - the MAX17303 and MAX17313.

Introduction to the MAX98390 Digital Boosted Class D DSM Smart Amplifier

This video provides an introduction to the MAX98390 Digital Boosted Class D DSM Smart Amplifier.

Introduction to the MAX20026 MAX20026S Automotive Quad, Low-Voltage Step-Down DC-DC converters with Low-Noise LDO

This video provides an introduction to Maxim's Automotive Quad, Low-Voltage Step-Down DC-DC converters with Low-Noise LDO - the MAX20026 and MAX20026S.

Introduction to the MAX20463 Automotive USB Type-A to Type-C Port Converter with Protection

This presentation provides an introduction to the MAX20463 an automotive USD Type-A to Type-C port converter with protection.

Evaluation System for Low Power Integrated In-Ear Heart Rate Monitor

MAXM86161EVSYS

Allows for the quick evaluation of the MAXM86161 integrated optical module for applications at various sites on the body, particularly in-ear and mobile applications.

Learn more ›

Evaluation Kit for Clinical Grade Human Body Temperature Sensor

MAX30205EVSYS

Includes USB-to-I2C controller and GUI program to simplify evaluation

Learn more ›

Evaluation System for Integrated Biopotential and Bioimpedance AFE

MAX30001EVSYS

Offers several configurations to enable a variety of measurements including ECG, BioZ and Pace Detection.

Learn more ›

Evaluation System for Optical Pulse Oximeter and Heart-Rate Sensor

MAX86140EVSYS

Allows flexible configurations to optimize measurement signal quality with minimal power consumption.

Learn more ›

Finger Heart Rate and Pulse Oximeter Smart Sensor

MAXREFDES220

This reference design has what you need to quickly prototype your product to measure finger-based heart rate and SpO2.

Learn more ›

Introduction to the MAX20334 Overvoltage and Surge-Protected Dual SPDT Data Line Switch

This video will provide an introduction to Maxim’s new Overvoltage and Surge-Protected Dual SPDT Data Line Switch – MAX20334.

Introduction to the MAX77827 5.5V 1.5A Ultra Low IQ High Efficiency Buck-Boost Converter

This video provides an introduction to the MAX77827, a 1A capable high-efficiency buck-boost converter with input voltage range from 1.8V to 5.5V. You will also learn how this device packs the highest performance with the industry’s lowest IQ in its class of buck-boost converters.

Introduction to the MAX16152 MAX16153* MAX16154* and MAX16155 nanoPower Supervisor and Watchdog Timer

This video provides an introduction to Maxim’s nanoPower Supervisor and Watchdog Timer family– the MAX16152 – MAX16155.

Monitoring temperature with a micro and thermistor

MAX40000 nanoPower comparator

Temperature monitor using a comparator

Introduction to the MAX20079 36V, 3.5A Buck Converter with 3.5µA IQ

This video provides an introduction to the MAX20079 a small, synchronous buck converter with integrated high-side and low-side switches.

Introduction to the MAX40025A 280ps High-Speed Comparator, Ultra-Low Dispersion with LVDS Outputs

This video provides an introduction to Maxim’s 280ps High-Speed Comparator, Ultra-Low Dispersion with LVDS Outputs – the MAX40025C and MAX40026.

Protect Your Power Designs Against Faults in a Single Chip

Learn how Maxim's complete system power protection ICs prevent field failures and unexpected downtime by mitigating the harmful effects of voltage, current, and temperature faults. Our industrial system protection ICs reduce mean time between failures (MTBF) and help save cost and time, all from a single chip.

Learn more: System Power Protection ›

Introduction to the MAX25610A MAX25610B Synchronous Buck and Buck Boost LED Driver/DC-DC Converter

This video provides an introduction to the MAX25610A and MAX25610B, fully synchronous LED drivers that provide constant output current to drive high-power LEDs.

Security Short Subjects (Part 1): The Basics of Authentication

Examine the basics of secure authentication and discover why one-way authentication is not always ideal. You’ll learn how identification and secure authentication work together to provide better cybersecurity.

Learn more: Secure Authentication ›
Watch next part ›

Security Short Subjects (Part 3): Asymmetric Cryptography

Learn the basics of asymmetric key cryptography and see how it is used to encrypt and decrypt data. Review the concepts of public and private keys and learn how to use a key pair to send and receive encrypted data. The differences between symmetric and asymmetric key are also discussed along with the concept of a cipher suite.

Learn more: Secure Authentication ›
Watch next part ›

Security Short Subjects (Part 4): Symmetric Key Authentication

We’ll examine the use of symmetric key cryptography for authentication applications and learn more about the concepts of shared keys, Nonce, and secure hash.

Learn more: Secure Authentication ›
Watch next part ›

Security Short Subjects (Part 5): Asymmetric Authentication

Learn how asymmetric key cryptography is used for authentication and review the concepts of key generation and encryption. You will learn more about digital signatures and how they are used for secure authentication.

Learn more: Secure Authentication ›
Watch next part ›

Security Short Subjects (Part 6): Asymmetric Authentication Details

Review details of asymmetric key cryptography including ECDSA (Elliptic Curve Digital Signature Algorithm) and learn how it is used in asymmetric key-based authentication. See why asymmetric key authentication is vital for applications such as communication, IP protection, and medical device authentication.

Learn more: Secure Authentication ›
Watch next part ›

Security Short Subjects (Part 7): Symmetric Authentication Details

Examine more of the details of symmetric key cryptography for authentication applications including the concepts of nonce, random numbers, and secure hash. You’ll learn how to use secure hash for authentication.

Learn more: Secure Authentication ›
Watch next part ›

Security Short Subjects (Part 2): Symmetric Cryptography

Learn the basics of symmetric cryptography and how it is used to encrypt and decrypt data. Examine concepts of plaintext and cyphertext and see how a secret key sends and receives encrypted data.

Learn more: Secure Authentication ›
Watch next part ›

Security Short Subjects (Part 8): Secure Firmware Download for Embedded Systems

Learn how firmware can be securely downloaded to a remote system and see how ECDSA key pair generation and SHA-256 algorithm are used for this purpose.

Learn more: Secure Authentication ›
Watch from the beginning ›

Evaluation Kit for 60V, 3A Adjustable Current Limiter

MAX17613AEVKIT

4.5V to 60V, 3A with overvoltage, undervoltage protection with reverse current blocking.

Learn More ›

Evaluation Kit for 60V, 6A Adjustable Power Limiter

MAX17526AEVKIT

5.5V to 60V, 6A with overvoltage/undervoltage, reverse protection, and power limit.

Learn More ›

Evaluation Kit for 60V, 1A Adjustable Current Limiter

MAX17608EVKIT

4.5V to 60V, 1A, overvoltage/undervoltage protection with reverse-current blocking

Learn More ›

TWS earbud and cradle with USB charging

Block diagram of a TWS earbud and cradle with USB charging.

TWS earbud

TWS earbud and cradle with USB and wireless charging.

RFID Datalogger for Healthcare and Cold-Chain Logistics

MAXREFDES300#

Wireless (RFID) datalogger with a low-power microcontroller and a passive temperature sensor.

RFID Datalogger for Healthcare and Cold-Chain Logistics

MAXREFDES300#

Wireless (RFID) datalogger with a low-power microcontroller and a passive temperature sensor.

2.5V/10A, Synchronous Step-Down Converter Using the MAX20098-MAXREFDES1205

The MAXREFDES1205 demonstrates how to build a DC-DC buck converter using the MAX20098 step-down controller for 2.5V DC output applications from a 4.5V to 16V input.

2.5V/10A, Synchronous Step-Down Converter Using the MAX20098-MAXREFDES1205

The MAXREFDES1205 demonstrates how to build a DC-DC buck converter using the MAX20098 step-down controller for 2.5V DC output applications from a 4.5V to 16V input.

16-Bit Delta-Sigma ADC Peripheral Module

MAX11205PMB1

Interfaces the MAX11205 ultra-low-power, 16-bit ADC to any system that utilizes Pmod-compatible expansion ports configurable for GPIO interface.

Learn more ›

1-Wire Grid-Eye Sensor

MAXREFDES131

Sensing solution featuring the Panasonic AMG8833 Grid-EYE® and the Maxim 1-Wire® bus, enabled by the DS28E17.

Learn more ›

Building Automation Shield

MAXREFDES130

Arduino form-factor, Mbed™-enabled shield, includes 0VDC-10VDC analog outputs, 4–20mA input/output, latching/nonlatching relays, RTC, and 1–Wire master.

Learn more ›

MAX44000PMB1: Peripheral Module

Microsoft Word - MAX44000PMB1-quick-start_gs2.docx,MAX44000PMB1

Ambient and Infrared Proximity Sensor Peripheral Module

Learn more ›

Pmod Adapter for Arduino Platform

MAXREFDES72

Arduino to Pmod shield with integrated level-shifting and pin-multiplexing.

Learn more ›

Display Driver Shield

MAXREFDES99

Arduino form-factor shield daisy-chains four MAX7219 LED drivers to drive a 16x16 LED array for signage applications.

Learn more ›

Full-Bridge DC Motor Driver Mbed Shield

MAXREFDES89

Mbed-compatible, Arduino form-factor shield for brushed DC motor applications. Drives up to 4 motors with current regulation while operating from a single 7V to 36V power supply.

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1-Wire Shield

MAXREFDES132

A platform for interfacing with 1-Wire® devices, 1-Wire evaluation kits (EV kits), and iButton® devices.

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DeepCover Embedded Security in IoT Authenticated Sensing and Notification

MAXREFDES143

Demonstrates an authenticated data chain from a protected sensor node to a web server.

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MAXREFDES143

Ultra Compact Development Board Fits in the Tightest Spaces, Reduces Power

MAX32625PICO

Power-optimized Arm® Cortex®-M4F. On-board PMIC provides all necessary voltages. Ultra-compact 0.6in x 1.0in dual-row header footprint.

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Development Platform for the Ultra-Low Power Microcontroller for Wearables

MAX32630FTHR

Power-optimized Arm® Cortex®-M4F. Optimal Peripheral Mix Provides Platform Scalability. On-Board Bluetooth® 4.0 BLE Transceiver with Chip Antenna.

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Evaluation Kit for the DS28E38 DeepCover Secure Authenticator

DS28E38EVKIT

ECDSA asymmetric authentication with ChipDNA PUF protection and 2Kb user EEPROM.

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Evaluation Kit for the MAX66242 DeepCover Secure Authenticator

MAX66242EVKIT

Includes ISO 15693, I2C, SHA-256 tag/transponder with 4Kb user EEPROM, RF/I2C interface and energy harvesting.

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DS3231MZEVKIT Board Photo

Evaluation Kits for the DS3231M or DS3232M (±5ppm, I2C Real-Time Clock)

DS3231MZEVKIT Board Photo

Evaluation Kits for the DS3231M or DS3232M (±5ppm, I2C Real-Time Clock)

Isolated 12V to 5.5V 22W No-Opto Flyback Power Supply

MAXREFDES124

Compact 12V input module with secondary-side synchronous MOSFET driver that features 5.5V at 4A output.

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Isolated 24V to 5V, 12.5W No-Opto Flyback Power Supply

MAXREFDES120

Compact 24V input module with secondary-side synchronous MOSFET driver that features 5V at 2.5A output.

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Isolated 24V to 5V, 9W No-Opto Flyback Power Supply

MAXREFDES119

Compact 24V input module with secondary-side synchronous MOSFET driver that features 5V at 1.8A output.

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How to Safely Demagnetize Your Inductive Load Using SafeDemag

Travis and Cynthia show how to use SafeDemag™ to safely and quickly demagnetize your inductor when using switching inductive loads. They explain inductive switching and the differences in freewheel diodes, zener clamps, active clamps, and Maxim’s SafeDemag solutions.

Learn more: MAX14912EVKIT ›

Secondary-Side Synchronous MOSFET Driver for Flyback Converters

MAX17606

4.5V to 36V input, high-current driver improves efficiency and thermal management.

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7A Sink/3A Source Current, 8ns, SOT23, MOSFET Driver

MAX5048C

Accepts logic-input signals and drives a large external MOSFET, ideal for high-frequency switchers.

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4A Sink/Source Current, 12ns, Dual MOSFET Driver

MAX17600

Fast switching time with short propagation delay, ideal for high-frequency circuits.

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Creating Autonomous Seismic Recording Solutions

 

"The power/performance and fidelity are two of the ingredients that made the MAX11216 attractive to us.”
 - Richard Degner, CEO and President, GTI


Featured products: MAX11216, MAX6126, MAX4736, MAX14689, MAX7315

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24μA IQ Stand-Alone Fuel Gauge with Protector

MAX17301XEVKIT

Evaluates 1-cell ModelGauge m5 EZ pack-side fuel gauges with protector and SHA-256 authentication.

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Designing Small, Low-Power Analog Input Modules

 

"GSEE-TECH is excited for this opportunity to partner with Maxim, offering a perfect solution in our analog input block with a very small size and multi-signal support, enhancing the user experience and user accessibility.”
 - Li Yan, Fieldbus PM of Marketing, GSEE-TECH


Featured product: MAX11270

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5.1μA 1-Cell Fuel Gauge with ModelGauge m5 EZ and Optional High-Side Current Sensing

MAX17260XEVKIT

Evaluates the stand-alone ModelGauge™ m5 host-side fuel-gauge ICs for lithium-ion (Li+) batteries in handheld and portable equipment.

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5.1μA Multi-Cell Fuel Gauge with ModelGauge m5 EZ

MAX17261XEVKIT

Monitors a multiple-series cell battery pack with an external resistor divider.

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Nanopower Ideal Diode vs. a Schottky Diode

Srudeep demonstrates the advantages of using the MAX40203 nanopower ideal diode versus a Schottky diode, highlighting features such as forward voltage drop, forward leakage current, and reverse leakage current. He shows how the MAX40203 has considerably lower error, which complements 1.8V battery applications.

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24μA IQ Stand-Alone Fuel Gauge with Protector

MAX17301XEVKIT

Evaluates 1-cell ModelGauge m5 EZ pack-side fuel gauges with protector and SHA-256 authentication.

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Building an Energy-Efficient, Maintenance-Free House

 

"3.2W of clean I2S audio from a MAX98357A Class D amplifier means the best sound in the least space for a Raspberry Pi or other I2S sources”
 -Martin Winston, Editor, Newstips Bulletin


Featured products: MAX98357A, MAX44009

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Delivering Louder, Richer Sound from Micro Speakers

 

"Having the MAX98390 in my toolbox to increase the ability of our micro speakers makes my job easier and our customers much happier—which is the ultimate goal.”
 -Michael Van Den Broek, Senior Applications Engineer, PUI Audio


Featured product: MAX98390

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Helping Listeners Feel Music 

 

“We wanted a high-quality, reliable, and highly efficient (audio amplifier) solution, and Maxim’s MAX98357A had all of the features we needed.”
 -Jukka Linjama, CTO and Partner, Flexound Systems


Featured product: MAX98357A

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Designing Function-Rich Diving Computers

 

"The MAX4257 is the best component I know on the market, with a very small package, very low noise, high gain, and very low power consumption.”
 - Vittorio Loggia, Electronic Designer and Product Manager, ROJ


Featured products: MAX4257, MAX17112, MAX4983E, MAX77801, and MAX6778

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Safer, Easier Mobile Payments

 

"Maxim is an outstanding vendor in terms of safety in the industry. Using the MAX32555 provides a strong safety guarantee for us."
 -Marco Ma, Beijing Weipass Panorama Information Technology Co.


Featured product: MAX32555

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Portable Ultrasound for Remote Care

 

“The MAX2082 transceiver is optimized for high-channel count, high-performance portable and cart-based ultrasound systems.”
 -Anakin Choung, COO, Healcerion Co.


Featured products: MAX2082, MAX4968B

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Scalable, Virtual Medical Care 

 

“We were looking to disrupt one of the biggest industries of the world—healthcare—and we’re doing it with Maxim sensors and processors.”
 -Dr. Samir Qamar, Founder and CEO, MedWand Solutions


Featured products: Maxim sensors, processors, and power management, and audio ICs

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Enabling Independence with Dignity

 

“The key decision point on these [Maxim] ICs was the ability to get the best possible fuel gauge and battery state information.”
 -Jon Guy, VP of Engineering, UnaliWear


Featured products: MAX77818, MAX17201, MAX44009, MAX2693, MAX8969, MAX16125 dual pushbutton controllers, MAX8841 LDO voltage regulators, MAX14634 bidirectional battery switches

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Protecting PIN Pad Transactions

 

“My relationship with Maxim started many years ago. It’s a very successful one because Maxim offers a complete system, deep expertise in PCI-PTS requirements, and good local support.”
 -Jorge Ribeiro, CEO, Gertec


Featured products: MAX32550

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Fast, Modular Design System

 

“Using our revolutionary rhomb.io system, designers can meet their needs in the shortest time.”
 -Pedro Pelaez, Technical Director, TNFG


Featured products: MAX30101, MAX44005, MAX8814, voltage regulators, and optical bio analog front-end

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Making Clothes Smarter

 

“Maxim support enabled us to use these parts effectively, and we created a design that is more or less without compromise.”
 -Dylan Jackson, Lead Embedded Engineer, Spire


Featured products: MAX30110 and MAX17223

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Meeting Food Quality Criteria

 

"For our purpose, the iButton is the perfect choice because it’s so small, robust, and can be reused many times.”
 -Dr. Thijs Defraeye, Laboratory for Biomimetic Membranes and Textiles, Empa


Featured product: DS1922L

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Remote Health Monitoring

 

"Maxim believes in the wearable world and is working to bring out more technology that minimizes the real estate required.”
 -Dan Atlas, Co-founder and CTO, ATLASense Biomed


Featured products: Various Maxim ICs

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Delivering Tiny PoE Devices

 

“The Maxim peak-current-mode controller is only 3mm x 3mm. Because of its size and its high level of integration, we were able to reduce our whole module size by about half.”
 -Devesh Agarwal, CEO, Infomart


Featured products: Maxim peak-current-mode controller

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Designing Flexible, Long-Range Wireless IoT Sensors

 

"Working with the Maxim team allowed us to accelerate things and, in aggregate, get ahead of schedule by nearly a month.”
 -Steve Kilts, CEO, Radio Bridge


Featured product: MAX31856

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Educating and Empowering Musicians

 

"The Maxim team has saved some mistakes that would have led to extra prototyping cycles. We expect our finished guitar will have long battery life and provide accurate data on remaining charge.”
 -Bobcat Cox, Chief Technology Officer, Zivix


Featured products: MAX14636, MAX14699, MAX8903C, MAX17260, MAX38643, and MAX38902E

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Do-It-Yourself IoT Chips

 

"The MAX77734 is a great chip for managing different power rails in wearables and space-constrained designs.”
-Omar Alnaggar, Director of Hardware Engineering, zGlue


Featured product: MAX77734

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Automating Patient Glycemic Control

 

"Maxim’s security ICs, including the DS28E83 and DS28E38 secure authenticators, enable us to ensure that the medication cartridges for our artificial pancreas will be used as intended and deliver the right dosages to the right patients.”
 -Jeff Valk, CEO, Admetsys


Featured products: DS28E83, DS28E38

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Redefining Motion Capture

 

"Maxim ICs are making our products work in a more stable and reliable manner.”
-Dr. Tristan RuoLi Dai, CTO, Noitom


Featured products: MAX17224, MAX14841E, MAX809S, MAX14527, MAX8887, DS3231M, MAX8881

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Creating High-Quality Smart Metering Solution

 

"MAX22445 helped us pass meter type tests with more stringent requirements than IEC.”
 -Joe Leong Kok Keen, Staff Design Engineer, Hardware, EDMI


Featured product: MAX22445

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Facilitating Reliable Semiconductor Production

 

"Maxim provides highly integrated functions and performance that our customers require with a reasonable price.”
 -Byoung Gi Kim, CTO, R&D, Digital Frontier


Featured product: MAX9972

Read Their Story ›

Fully Integrated Synchronous Buck Converter

Smart Building System

36V, 600mA Mini Buck Converter with 3.5µA IQ

MAX20075

Synchronous buck with integrated high-side and low-side switches delivers up to 0.6A from 3.5V to 36V input, while using only 3.5µA quiescent current at no load.

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Peripheral Module for ±5ppm, I2C Real-Time Clock

DS3231MPMB1

Interfaces the DS3231M RTC low-cost and extremely accurate RTC to any system that utilizes Pmod™-compatible expansion ports configurable for I²C.

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Evaluation System for Precision Thermocouple to Digital Converter with Linearization

MAX31856EVSYS

Includes MAX31856PMB1 peripheral module, adaptor board for communication with the software and K-type thermocouple.

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Industry's Only ASIL-Grade Camera Protector with integrated I2C-Based Diagnostics

MAX20087

Dual/quad camera power protector ICs deliver up to 600mA load current to each of their four output channels.

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Evaluation Kit for I2C Temp Sensor with ±2°C Accuracy Low-Power I2C Temperature Sensor in WLP Package

MAX31875EVKIT

Includes GUI that provides communication over I2C with an on-board master IC.

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Serial Communications Module for Evaluation Kits

DS3900P2EVKIT

Provides bidirectional communication with 2-wire and 3-wire devices using a PC's serial port to evaluate a wide variety of ICs.

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Ultra-Small 3.2MHz Dual 500mA Versatile PMIC for Camera Modules

MAX20019

2.2MHz and 3.2MHz dual step-down converters with integrated high-side and low-side MOSFETs.

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2.2MHz Sync and Dual Step-Down Converters

MAX20014

OUT1 boosts the input supply up to 8.5V at up to 750mA, while two synchronous step-down converters operate from a 3.0V to 5.5V input voltage range and provides a 0.8V to 3.8V output voltage range at up to 3A.

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36V, 600mA Mini Buck Converter with 3.5µA IQ

MAX20076

Synchronous buck with integrated high-side and low-side switches delivers up to 0.6A from 3.5V to 36V input, while using only 3.5µA quiescent current at no load.

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Evaluation Kit for WPC/PMA Dual Mode Wireless Power Receiver

MAX77950EVKIT

Wireless power receiver that operates using near-field magnetic induction when coupled with a WPC or PMA transmitter and provides output power up to 12 watts.

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Evaluation Kit for 4.5V to 42V, 300mA uSLIC Power Module for 3.3V Output

MAXM15462EVKIT

Integrated power solution providing 3.3V from a wide input range of 4.5V to 42V with up to 300mA of current.

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4V to 42V, 100mA, Compact Step-Down Power Module

MAXM17532

The MAXM17532 is a step-down DC-DC power module built in a compact uSLICTM package. The MAXM17532 integrates a controller, MOSFETs, an inductor, as well as the compensation components. The device operates from an input voltage of 4.0V to 42V, supports an adjustable output voltage from 0.9V to 5.5V, and supplies up to 100mA of load current. The high level of integration significantly reduces design complexity, manufacturing risks and offers a true “plug and play” power supply solution, hence reducing the time-to-market.

Evaluation Kit for 4V to 42V, 100mA uSLIC Power Module for 5V Output

MAXM17532EVKIT

Integrated power solution providing 5V from a wide input range of 10V to 42V with up to 100mA of current.

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