Blood Glucose Meters

Description

Blood glucose meters are handheld instruments that detect glucose levels in blood samples. The devices are used primarily by diabetics.

There are continuous and discrete (single-test) meters on the market today. In addition, continuous meters are available by prescription. These use a subcutaneous electrochemical sensor to measure at a programmed interval.

Single-test meters use electrochemical or optical reflectometry to measure the glucose level in units of mg/dL or mmol/L. The majority of blood glucose meters are electrochemical. Electrochemical test strips have electrodes to which a precise bias voltage is applied. The applied voltage causes an electrochemical reaction on the test strip with the resulting current being proportional to the glucose in the blood. The current is then converted to a glucose scale for display.

Each packet of test strips contains a calibration code that must be entered into the meter for calibration purposes prior to use, although some newer test strip designs have eliminated the calibration step.

Please click the "Design Considerations," "Circuits," and "Block Diagrams" tabs above for information that will help you build your design.


A blood glucose meter is a handheld instrument that consists of an electrochemical sensor and a battery-powered embedded system with a display that reads the sensor, processes the sensor reading, displays it, and optionally stores it.

These meters require very precise analog processing in order to determine the glucose level of the sample. Both optical-reflectometry and electrochemical meters need to resolve currents in the single-digit nano-amp range. The devices are generally accurate within a narrow temperature range, so accurate temperature measurement is also required.

Many new designs store readings and can communicate the readings to a PC or smartphone for record keeping.

Electrochemical Test-Strip Configurations


Most test strips are proprietary and vary by meter manufacturer. The variations include the reagent formulation, the number of electrodes, the number of channels, and biasing method of the reagent. The simplest configuration is a self-biased test strip (Figure 1) that has two electrodes with current measured at the working electrode and the common electrode grounded.

Figure 1. Electrochemical test strip in a self-biased configuration
Figure 1. Electrochemical test strip in a self-biased configuration

There can be multiple channels on a single test strip; the additional channels are used for a reference measurement, initial blood detection, or to ensure that the blood has saturated the reaction site. An alternate configuration actively drives both electrodes and measures at the common electrode. Another more advanced design is a counter configuration (Figure 2).

Figure 2. Electrochemical test strip in a counter configuration
Figure 2. Electrochemical test strip in a counter configuration

Here there are three electrodes with current measured at the working electrode, and a force-sense circuit drives the common and reference electrodes. There is an important advantage to this configuration: the bias voltage at the reaction site on the test strip is set and maintained more accurately throughout the measurement. The disadvantage of this design is its additional complexity and the larger headroom required to allow the force-sense amplifier to swing negative to maintain the bias voltage during current flow.

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Sensor Analog Signal Chain


Both optical-reflectometry and electrochemical meters need to resolve currents in the single-digit nano-amp range. To meet the error budget for a meter, components must have extremely low leakage and drift over supply voltage, temperature, and time once the meter has been calibrated during manufacture. An operational amplifier's key specifications are ultra-low input bias current (< 1nA), high linearity, and stability when connected to a capacitive electrochemical test strip. The operational amplifier is typically configured as a TIA for both types of meters. A voltage reference's key specifications include a temperature coefficient less than 50ppm/°C, low drift over time, and good line and load regulation. A 10- or 12-bit DAC is used to set the bias voltage for an electrochemical test strip and to set the LED current for an optical-reflectometry test strip. Sometimes a comparator is employed with electrochemical test strips to detect when blood has been applied to the test strip. This saves power while waiting for blood to be applied to the test strip, and ensures that the reaction site is fully saturated with blood. The ADC requirements vary depending on the type of meter, but most require ≥ 14-bit resolution and low noise for repeatable results. Sometimes 12-bit resolution is used when there is a programmable gain stage before the ADC to extend the dynamic range.

Part Selection

Maxim offers precision single-chip data acquisition systems (DAS) that integrate all the functionality discussed in the previous sections. Our recommended DAS ICs are designed to meet the specifications and performance required in blood glucose meters. These DAS ICs are also suitable for similar applications such as coagulation and cholesterol meters. Click the DAS block in the block diagrams to view recommended products.

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Temperature Measurement


Ideally, the temperature of the blood on the test strip should be measured, but usually the ambient temperature near the test strip is measured. Temperature measurement accuracy varies by test-strip type and chemistry, but is typically in the ±1°C to ±2°C range. This measurement can be accomplished with stand-alone temperature-sensor ICs, or with a remote thermistor or PN junction together with an ADC. Using a thermistor in a half-bridge configuration driven by the same reference as the ADC provides more accurate results because this design eliminates any voltage-reference errors. Remote or internal PN junctions can be measured with highly precise integrated analog front-ends (AFEs).

Part Selection

Maxim's single-chip DAS ICs offer integrated temperature sensors that provide the required level of accuracy for this application.

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User Interface: Display, Audio


Most blood glucose meters use a simple liquid-crystal display (LCD) with approximately 100 segments that can be driven with an LCD driver integrated in the microcontroller. Color displays require additional and higher voltages than both the segment LCDs. Backlighting can be added by using one or two white LEDs.

Audible indicators range from simple buzzers to more advanced talking meters for the vision impaired. A simple buzzer can be driven by one or two microcontroller port pins with pulse-width modulation (PWM) capability. More advanced voice indicators and even voice recording for test result notes can be achieved by adding an audio codec along with speaker and microphone amplifiers.

Part Selection

Maxim offers step-up switching regulators that might be required to power the LCD display and high-brightness LED drivers for display backlighting applications. Click the block diagram to view recommended products.

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Electrostatic Discharge


All meters must pass IEC 61000-4-2 electrostatic discharge (ESD) requirements. Using electronics with built-in ESD protection or adding ESD line protectors to exposed traces can help meet this requirement.

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Power and Battery Management


Meters with simple displays can run directly off of a single lithium coin cell or two alkaline AAA primary batteries. To maximize battery life, this meter requires electronics capable of running from 3.6V down to 2.2V for the lithium coin cell or 1.8V for the alkaline AAAs. If the electronics require a higher or regulated supply voltage a step-up switching regulator can be used. Powering down the switching regulator during sleep mode and running directly off the batteries extends battery life, as long as the sleep circuitry can run from the lower battery voltages. Adding a backlit or a more advanced display will require higher and sometimes additional voltages. A more advanced power management scheme may be required at this point. Rechargeable batteries such as single-cell lithium ion (Li+) can be used by adding a battery charger and fuel-gauge circuitry. Charging with USB is a convenient option for the user, if USB is available in the meter.

Part Selection

Maxim offers several power regulation and battery management circuits for this application. The exact products for a design will depend on the size and type of battery that is selected.

Please see the block diagram and click on the power supply and battery symbols to view recommended Maxim ICs for this application.

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Introduction to the MAX32592 DeepCover Secure Microcontroller with ARM926EJ-S Processor Core

This video provides an introduction to Maxim’s DeepCover Secure Microcontroller with ARM926EJ-S Processor Core – the MAX32592 is the natural evolution of the popular MAX32590. It addresses applications where space is a real constraint while bringing a significant price cut.

Introduction to the MAX32561 DeepCover Secure Arm Cortex-M3 Flash Microcontroller

This video provides an introduction to Maxim's MAX32561, a single chip solution to integrate most of the interfaces required to build a modern financial pinpad or MPOS. The product can save many external components, saving on the PCB footprint. The product also comes with security, software stacks and evaluation reports to simplify EMV and PCI-PTS certifications while compressing the time to market when designing new pinpads and MPOS devices.

Introduction to the MAX86916 Integrated Optical Sensor Module for Mobile Health

This video provides an introduction to Maxim's Integrated Optical Sensor Module for Mobile Health - the MAX86916.

Introduction to the MAX25410 Automotive USB Power Delivery Port Protector

This video provides an introduction to Maxim's Automotive USB Power Delivery Port Protector - the MAX25410.

Introduction to the MAX16158 Nanopower, Tiny Supervisor with Manual Reset Input

This video provides an introduction to Maxim's Nanopower, Tiny Supervisor with Manual Reset Input - the MAX16158.

CIOE


Shenzhen, China
09/09/2020 - 09/11/2020

InfoComm 2020 is the largest professional audiovisual trade show in North America, with thousands of products for audio, unified communications and collaboration, display, video, control, digital signage, home automation, security, VR, and live events.

Register

Unlocking Human Performance with MAX32652

 

With 3MB flash, 1MB SRAM, and multiple memory-expansion interfaces, the MAX32652 provides the onboard memory and processing power at low power consumption WHOOP needed.

Featured products: MAX32652, MAX14745, MAX17223

Read Their Story ›

Acceleration Plethysmogram (APG)

An acceleration plethysmogram (APG) waveform is the result of a common way to process PPG data.

Power Spectral Density of PPG Data

Diagram of Power Spectral Density of PPG Data.

Introduction to the MAX20353 Wearable Charge Management Solution

This video provides an introduction to Maxim's Wearable Charge Management Solution - the MAX20353.

Introduction to the MAX25200 MAX25201 MAX25202 36V HV Synchronous Boost Controller for Infotainment Application

This video provides an introduction to Maxim's 36V HV Synchronous Boost Controller for Infotainment Application - the MAX25200 MAX25201 MAX25202.

Introduction to the MAX33012E +5V, 5Mbps CAN Transceiver with ±65V Fault Protection, Fault Detection and Reporting, ±25V CMR, and ±45kV ESD Protection

This video provides an introduction to Maxim's +5V, 5Mbps CAN Transceiver with ±65V Fault Protection, Fault Detection and Reporting, ±25V CMR, and ±45kV ESD Protection - the MAX33012E.

Introduction to the MAX25024 Automotive Low Input Voltage I2C 4-Channel 150mA Backlight Driver Supporting ASIL B

This video provides an introduction to Maxim's Automotive Low Input Voltage I2C 4-Channel 150mA Backlight Driver Supporting ASIL B - the MAX25024

Introduction to the MAXM17630 MAXM17631 MAXM17632 4.5V to 36V, 1A Himalaya uSLIC Step-Down Power Modules

This video provides an introduction to Maxim’s 4.5V to 36V, 1A High Efficiency, Synchronous DC-DC Step-Down uSLIC Power modules – the MAXM17630/1/2.

Introduction to the MAX25205 Gesture Sensor for Automotive Applications

This video provides an introduction to Maxim's Gesture Sensor for Automotive Applications - the MAX25205.

Diagram of MAX40660/MAX40661 transimpedance amplifiers for automotive LiDAR systems

Diagram of MAX40660/MAX40661 transimpedance amplifiers for automotive LiDAR systems

Diagram of MAX40025/MAX40026 transimpedance amplifiers for automotive LiDAR systems

Diagram of MAX40025/MAX40026 transimpedance amplifiers for automotive LiDAR systems

Autonomous Vehicles laser

Autonomous Vehicles laser/receiver system transmits light across the view to find objects with the reflection of the laser light.

MAX77654 block diagram

MAX77654 SIMO PMIC diagram of location-tracking chips IoT devices like e-bikes and e-scooters

Introduction to the MAX20499 Automotive Single 8A/12A Step-Down Converter Family

This video provides an introduction to Maxim's Automotive Single 8A/12A Step-Down Converter Family - the MAX20499.

Introduction to the MAX15095 MAX15095A MAX15095D 2.7V to 18V, 6.6A Integrated Hot-Swap/Electronic Circuit Breaker

This video provides an introduction to Maxim’s protection solution for 2.7V to 18V power, up to 6.6A amps: the MAX15095.

Introduction to the MAX14829 Low-Power IO-Link Device Transceiver with Dual Drivers

This video provides an introduction to Maxim's Low-Power IO-Link Device Transceiver with Dual Drivers - the MAX14829.

Introduction to the MAX20328 MAX20328A MAX20328B MUX Switches for USB Type-C Audio Adapter Accessories

This video provides an introduction to Maxim’s newest USB Type-C audio interface IC with integrated protection – the MAX20328, MAX20328A and MAX20328B.

Introduction to the MAX25601A MAX25601B MAX25601C MAX25601D Synchronous Boost and Synchronous Buck LED Controllers

This video provides an introduction to Maxim's Synchronous Boost and Synchronous Buck LED Controllers - the MAX25601A MAX25601B MAX25601C MAX25601D

Introduction to the MAX22025, MAX22028 Compact, Isolated, Half-Duplex RS-485/RS-422 Transceivers with Autodirection Control

This video provides an introduction to Maxim's Compact, Isolated, Half-Duplex RS-485/RS-422 Transceivers with Autodirection Control - the MAX22025 and MAX22028.

Secure Authentication in Automotive System

Using a secure authenticator in an automotive system prevents clones and counterfeits from operating within that system.

Improving Patient Outcomes with Remote Monitoring

 

"The DS1340 gave us a shorter design cycle as it has a built-in crystal.""
 -Neil Lundy, Technical Manager of Electronics, Philips RDT


Featured product: DS1340

Read Their Story ›

E Series function Excel options dialog box

Introduction to the MAX20075D MAX20076D MAX20076E MAX25276D 36V, 600mA/1.2A Mini Buck Converter with 3.5µA IQ

This video provides an introduction to Maxim's 36V, 600mA/1.2A Mini Buck Converter with 3.5µA IQ - the MAX20075D MAX25275 MAX20076D MAX25276D

Introduction to the MAX25613 Automotive Infrared LED Controller

This video provides an introduction to Maxim’s Automotive IR-LED Controller for Driver Monitoring Systems - the MAX25613.

Introduction to the DS28C39 DeepCover Secure ECDSA Bidirectional Authenticator with ChipDNA PUF Protection

This presentation provides an introduction to Maxim's DeepCover Secure ECDSA Bidirectional Authenticator with ChipDNA PUF Protection - the DS28C39.

Introduction to the MAX30131 MAX30132 MAX30134 4-Channel Ultra-low Power Electrochemical Sensor AFE

This video provides an introduction to Maxim's 4-Channel Ultra-low Power Electrochemical Sensor AFE - the MAX30131 MAX30132 MAX30134.

Arnold Schwarzenegger Robot at CES 2020

A robotic bust of Arnold Schwarzenegger at CES 2020 moves its face in a life-like manner.

Robot System Block Diagram

A variety of power management ICs, including protectors, LDOs, and buck converters, is needed in robotic systems.

Introduction to the MAXM17633 MAXM17634 MAXM17635 4.5V to 36V, 2A Himalaya uSLIC Step-Down Power Modules

This video provides an introduction to Maxim’s 4.5V to 36V, 1A High Efficiency, Synchronous DC-DC Step-Down uSLIC Power modules – the MAXM17633/4/5.

True-wireless earbud charging diagram

Diagram of MAX20340 DC powerline communication management IC and the MAX20343 buck-boost converter with dynamic voltage scaling enable small, power efficient true-wireless earbuds.

Creating Assistive Devices with Maxim Biosensors

 

"You have a solution (Health Sensor Platform 2.0) that is really quite excellent. I was able to leverage everything. All the sensors are Maxim sensors."
 -Marty Stone, Founder and President, Atec Inc.


Featured products: MAX30001, Health Sensor Platform 2.0, MAX86141, MAX30205, MAX32630, MAX20303, MAX32664

Read Their Story ›

Advancing Digital TV Technologies

 

"Our DVB-C modulators based on the MAX5862 and MAX5868 integrate 32 channels on a single board and up to 96 channels in a single chassis."
 -Mr. Gang Ma, General Manager, R&D, Gospell Digital Technology


Featured products: MAX5862, MAX5868

Read Their Story ›

Mouth-Based Biometrics Monitoring

 

"The Maxim chips performed beautifully when we used them. It really has become a standard with many companies."
 -Mike Saigh, CEO, Equine SmartBits


Featured products: MAX30102, MAX32664, MAX30205, MAX8808X, MAX40200, MAX8902, MAX6775

Read Their Story ›

Simplifying Creation of IoT and Robotic Devices

 

"In the case of the MAX3051, low data error rate and a competitive price were factors in our choice."
 -Hanjun Kim, Hardware Technical Lead, LUXROBO


Featured products: MAX3051, MAX38902C, MAX8969, MAX40200

Read Their Story ›

Creating High-End ATE Products

 

NCATEST was able to reduce its design cycle while creating an ATE solution that is smaller, lower power, and better performing than its predecessor.

Featured products: MAX6350, MAX6325, MAX811, MAX3232, MAX541, MAX4820, MAX11160, MAX14783, MAX6696

Read Their Story ›

Introduction to the DS28C50 DeepCover® Secure SHA-3 Authenticator with ChipDNATM PUF Protection

This video provides an introduction to Maxim's DeepCover® Secure SHA-3 Authenticator with ChipDNA™ PUF Protection - the DS28C50.

Introduction to the MAX17670 MAX17671 MAX17672 Integrated 4V-60V, 150mA, High-Efficiency, Synchronous Step-Down DC-DC Converter with 50mA Linear Regulator

This video provides an introduction to the MAX17670/71/72, a dual-output regulator integrating a 4V to 60V, 150mA high-voltage, high-efficiency synchronous step-down converter with internal MOSFETs and a high-PSRR, low-noise, 2.35V to 5V, 50mA linear regulator.

Power management architecture for car camera system

A car camera power protector IC can be part of a fusion ECU for the camera system.

Introduction to the MAXM17536 MAXM17537 4.5V to 60V, 4A Himalaya Step-Down Power Modules

This video provides an introduction to Maxim’s 4.5V to 60V, 4A High Efficiency, DC-DC Step-Down Power Module with Integrated Inductor – the MAXM17536/7

electronica 2018 – 360 View

See the full view of Maxim solutions at electronica 2018.

Learn more ›

Xilinx VCU108 FPGA Power Solution

 

Complete Power Solution for the Virtex Ultrascale VCU108 Reference Design

Learn more ›

Xilinx KCU105 FPGA Power Solution

 

Complete Power Solution for the Kintex Ultrascale KCU105 Reference Design

Learn more ›

Xilinx VCU110 FPGA Power Solution

 

Complete Power Solution for the Virtex Ultrascale VCU110 Reference Design

Learn more ›

Bluetooth Low Energy: The Physical Layer—Part 1 of 7

In the first video of this series on Bluetooth® Low Energy, we investigate the radio (or physical) layer, including operating frequency, modulation, and channel management techniques. In Part 2, “Bluetooth Low Energy: How to Define a BLE Application,” we’ll explore using a sample BLE application.

Learn more: MAX32666 ›

Bluetooth Low Energy: How to Define a BLE Application—Part 2 of 7

In the second video in this series, we explore a typical Bluetooth® Low Energy application - a heart rate monitor - to examine how BLE devices use profiles to organize and share information. In Part 3, “Bluetooth Low Energy: Understanding GAP Roles,” learn how to use Generic Access Profiles in BLE applications.

Learn more: MAX32666 ›

Bluetooth Low Energy: Understanding GAP Roles—Part 3 of 7

The third video in this series describes how the Generic Access Profile assigns a set of roles used by Bluetooth® Low Energy (BLE) devices to form a Piconet. We define those roles, explain how peripherals and centrals establish a connection, and introduce the concept of the host and controller pieces of the Bluetooth stack. In Part 4, “Bluetooth Low Energy: Unpacking the Physical Layer Packets,” learn how packets are used for data communication.

Learn more: MAX32666 ›

Bluetooth Low Energy: Unpacking the Physical Layer Packets—Part 4 of 7

In Part 4 of this series, we show how Bluetooth® Low Energy (BLE) uses packets for data communication. We describe the BLE packet structure, before examining an advertising packet in more detail. In Part 5, “Bluetooth Low Energy: Dissecting the Controller Layer,” we’ll examine the host and controller layers.

Learn more: MAX32666 ›

Bluetooth Low Energy: Dissecting the Controller Layer—Part 5 of 7

The Bluetooth® Low Energy stack consists of two parts: the host, which is home to the higher layer protocols and profiles, and the controller, where the radio and associated PDU control logic is located. In the fifth part of this series, we dissect the controller into its constituent components and show how the individual blocks work together to ensure a reliable transfer of information. In Part 6, “Bluetooth Low Energy: All About BLE Security,” we’ll learn how BLE keeps information private.

Learn more: MAX32666 ›

Bluetooth Low Energy: All About BLE Security—Part 6 of 7

Bluetooth® Low Energy (BLE) is often used to transport sensitive information, such as health-related data. The sixth video in this series shows how BLE keeps this information private by using security protocols to protect the data transport link. In Part 7, “Bluetooth Low Energy: Developing an Application,” we’ll explain the concept of an API.

Learn more: MAX32666 ›

Introduction to the MAX22520 One-Time Programmable (OTP) Industrial Sensor Output Driver

This video provides an introduction to Maxim's One-Time Programmable (OTP) Industrial Sensor Output Driver - the MAX22520.

Introduction to the MAX2223 Ultra-Wideband, Direct-Conversion, L-Band Satellite Tuner

This video provides an introduction to Maxim’s Ultra-Wideband, Direct-Conversion, L-Band Satellite Tuner – the MAX2223.

Introduction to the MAX16141 MAX16141A 3.5V to 36V Ideal Diode Controller with Voltage and Current Circuit Breaker

This video provides an introduction to Maxim's 3.5V to 36V Ideal Diode Controller with Voltage and Current Circuit Breaker - the MAX16141 MAX16141A.

698MHz to 3800MHz RF Power Amplifier Linearizer

SC1905

True RFin/RFout solution supports 100MHz BW for modular power amp designs, including 3G, 4G, and 5G cellular infrastructure.

Learn More ›

300MHz–960MHz (G)FSK Transmitter with I2C Interface

MAX41464

Includes Bits-to-RF single-wire MCU for low-cost implementation, up to +16dBm output power to increase short-range transmissions.

Learn More ›

Low-Power DOCSIS 3.1 Programmable-Gain Amplifier

MAX3523

Passes stringent DOCSIS 3.1 specifications. Low 3.5W power dissipation surpasses cable modem/gateway requirements.

Learn More ›

Frequency Synthesizer Shield

MAXREFDES161

Frequency synthesizer generates 23.5MHz to 6GHz microwave radio signals. Level translators connect to +3.3V and +5V microcontrollers.

Learn more ›

Evaluation Kit for Multiband Universal GNSS Receivers

MAX2771EVKIT

Provides multi-constellation/multi-band support with superior RF performance for the highest position accuracy.

Learn More ›

Evaluation Kit for Universal GNSS Receivers

MAX2769CEVKIT

Fully programmable, supports GPS, GLONASS, and Galileo systems in a single chip.

Learn More ›

Frequency Synthesizer Shield

MAXREFDES161

Frequency synthesizer generates 23.5MHz to 6GHz microwave radio signals. Level translators connect to +3.3V and +5V microcontrollers.

Learn more ›

Evaluation Kit for Multiband Universal GNSS Receivers

MAX2771EVKIT

Provides multi-constellation/multi-band support with superior RF performance for the highest position accuracy.

Learn More ›

Evaluation Kit for Universal GNSS Receivers

MAX2769CEVKIT

Fully programmable, supports GPS, GLONASS, and Galileo systems in a single chip.

Learn More ›

LiDAR system

Diagram of LiDAR system with the TIA and COMP optical receiver system.

MAX40660 and MAX40661 transimpedance amplifiers block diagram

Diagram of MAX40660/MAX40661 transimpedance amplifiers (TIA1 and TIA2) for automotive LiDAR.

MAX40025 and MAX40026 high-speed comparators

MAX40025 and MAX40026 stabilize the TIA optical signal in LiDAR applications.

Ultra-High CMTI Isolated Gate Driver

MAX22701E

Features single-ended input with Miller clamp output.

Learn more ›

How to Design a Negative Voltage Reference Using MAX828

Katie explains the purpose of a stable voltage reference and describes three common methods used to create one. Next, she shows how the MAX828 can be used to quickly and easily create a small, efficient negative voltage reference for applications which use a bipolar supply.

Learn more: MAX828 ›

Bluetooth Low Energy: Developing an Application—Part 7 of 7

Nobody writes programs for Bluetooth® Low Energy (BLE) from scratch. In the final video of this series, a sample fitness tracking application is used to explain the concept of an API (Applications Programming Interface).

Learn more: MAX32666EVKIT ›

Fan motor efficiency and power factor for 38–50W shaded-pole motor and PMSM motors

Fan motor efficiency and power factor for 38–50W shaded-pole motor and PMSM motors. Image courtesy of Oak Ridge National Laboratory.

Fan motor efficiency and power factor for 38–50W ECM and PMSM motors

Fan motor efficiency and power factor for 38–50W ECM and PMSM motors.

11.5A, 900V silicon carbide power MOSFET from Wolfspeed

An 11.5A, 900V silicon carbide power MOSFET from Wolfspeed. Image courtesy of Wolfspeed, a Cree company.

A standard AC induction motor

Compact Development Board for Secure IoT Applications

MAX32520-KIT

Cortex®-M4 secure microcontroller provides secure boot and protection against physical tampering for IoT applications.

Learn more ›

Introduction to the MAXM17712 MAXM17720 and MAXM17724 Integrated 4V-60V, 150mA, Himalaya uSLIC Step-Down Power Module with 50mA Linear Regulator

This video provides an introduction to Maxim's Integrated 4V-60V, 150mA, Himalaya uSLIC Step-Down Power Module with 50mA Linear Regulator - the MAXM17712 MAXM17720 and MAXM17724

EE-Sim DC-DC Tool Overview

See a demonstration of the most commonly used functionality in EE-Sim. Includes opening a new DC-DC design, changing design requirements, creating a schematic, running simulations, comparing designs, and generating a report.

Learn more: EE-Sim Design and Simulation Tool ›

EE-Sim Design Requirements

How to set the Design Requirement specifications and create a schematic.

Learn more: EE-Sim Design and Simulation Tool ›

EE-Sim Working with Components

Review the manufacturer, part number, and key properties for each recommended component in your schematic. Select a different component, or define your own component. How ceramic capacitor performance is derated, and why that is important.

Learn more: EE-Sim Design and Simulation Tool ›

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 ›

EE-Sim Design Tradeoffs

Prioritize the design size, efficiency, or BOM cost based on your design needs. Learn how this selection is implemented in your schematic.

Learn more: EE-Sim Design and Simulation Tool ›

NFC/RFID Tags and Readers

Fundamentals of NFC/RFID Communications

What’s the difference between NFC and RFID? Learn about the technology behind near field communication (NFC) and radio frequency identification (RFID) and the unique application characteristics of each. See how NFC and RFID ICs use modulation and demodulation processes, and through electromagnetic waves, move from the transmitter or tag to the receiver or reader.

Learn more › NFC/RFID Tags and Readers

Enabling High-Performance Automotive Infotainment

 

"MAX9286 is highly integrated and can support up to four camera links. This compact integration takes up less space on the mainboard and also reduces the bill of materials cost for customers.”
-JC Hsu, Corporate Vice President, MediaTek


Featured products: MAX9286, MAX96705, MAX15007C, MAX8902B

Read Their Story ›

Introduction to the MAX14828 Low-Power, Ultra-Small IO-Link Device Transceiver

This video provides an introduction to the MAX14828, a Single 250mA IO-Link Transceiver + DI.

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

Read Their Story ›

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

Read Their Story ›

Dual-Channel, Synchronous Buck High-Brightness LED Controller with SPI Interface

MAX20096

Ultra-fast transient response with near-fixed frequency minimizes EMI for matrix lighting, wide dimming ratio allows high contrast.

Learn more ›

2A Synchronous Buck LED Driver with Integrated MOSFETs

MAX20050

High-performance, compact, and efficient buck LED driver simplifies automotive and general lighting designs.

Learn more ›

Automotive High-Voltage, High-Brightness LED Controller

MAX20090

Single-channel HB LED driver for front-light applications such as high-beam, low-beam, and daytime running lights.

Learn more ›

12-Switch Matrix Manager for Automotive Lighting

MAX20092

Single/dual/quad-string configurations, programmable 12-bit PWM dimming, enables matrix/pixel lighting up to 1.5A

Learn more ›

Synchronous Buck, High-Brightness LED Controller

MAX20078

Industry's First Automotive Buck Controller with Ultra-Fast Response and Pseudo Fixed-Frequency Regulation

Learn more ›

60V, 1A, Automotive Synchronous Step-Down DC-DC Converter

MAX20058

60V Synchronous Buck Converter with Internal FETs Enables High Efficiency and Low Temperature Rise

Learn more ›

36V, 2.5MHz Automotive Boost/SEPIC Controllers

MAX16990

2.5MHz Automotive PWM Controller Enables Space-Efficient Preboost Supplies for Cold/Warm Crank Applications

Learn more ›

High-Voltage, 3-Channel Linear High-Brightness LED Driver with Open LED Detection

MAX16823

Highly Integrated, High-Voltage LED Driver Ideal for Automotive Applications

Learn more ›

Introduction to the MAX17662 3.5V to 36V, 2A, High-Efficiency, Synchronous Step-Down DC-DC Converter

This video provides an introduction to Maxim's 3.5V to 36V, 2A, High-Efficiency, Synchronous Step-Down DC-DC Converter - the MAX17662.

Understanding Power Losses in Buck Converters

Anthony examines the large power losses associated with the rectification diode of a traditional buck converter. He then shows how a synchronous buck converter, like the MAX17506 or MAX17503, can significantly improve efficiency, thermal performance, and reliability by replacing the diode with an integrated MOSFET.

Learn More > Himalaya Buck Converters

Transimpedance Amplifier with 100mA Input Current Clamp for Automotive LiDAR

MAX40660

Small 3x3 TDFN with wide 490MHz bandwidth captures road condition detail and low 2.1pA/√Hz noise density reduces signal distortion and misinterpretation.

Learn more ›

How to Use DC-Biasing Configurations to Extend the Operating Voltage Range of a Flyback Converter

Teja considers the advantages and disadvantages of three commonly used DC biasing configurations that allow a flyback converter to operate above its absolute maximum voltage rating. He explains why transformer auxiliary winding is the best option, before using the MAXREFDES1193 to calculate the efficiency of this configuration.

Learn more: MAXREFDES1193 ›

Simplify System Power Designs and Achieve Bigger, Sharper Automotive Displays

Maxim's automotive-grade power ICs enable a wide range of display capabilities, helping you implement solutions to support higher luminance, higher current, and increased channel, making it easier to design bigger, sharper automotive displays. Our automotive display ICs also meet ASIL-B and high power requirements for greater reliability.

Learn more: Automotive Display Power ›

Michael Kratsios, U.S. Chief Technology Officer

U.S. Chief Technology Officer Michael Kratsios discusses AI leadership at CES

Elaine Chao, U.S. Secretary of Transportation

Elaine Chao announced AV 4.0, the U.S. initiative on autonomous vehicles, at CES 2020.

5G Technology

5G technology promises to bring the IoT to more people.

Driverless Taxi

Hyundai and Uber are teaming up to bring a driverless taxi to the market.

How to Fix a Corrupted EEPROM on an SC1905EVKIT or SC1894EVKIT

Samantha shows how to identify if your SC1905EVKIT or SC1894EVKIT has a corrupted EEPROM by measuring the supply current or by running the GUI. She then shows some simple fixes to restore your EV kit if this is the case.

Learn more: SC1905 ›

Beacon Current Profile

Typical Beacon Block Diagram

Bluetooth Beacons in the Smart Factory

Tutorial: All About Frequency Synthesis

Learn how variable frequency synthesis is achieved with the phase-locked loop (PLL). This video covers PLL theory and design including the phase detector, loop filter, voltage-controlled oscillator (VCO), integer dividers/multipliers, and the benefits of fractional division. Resources for finding integrated frequency synthesizer ICs are provided.

Learn More › PLLS and VCOs

USB to 1-Wire adapter

DS9481R-3C7

With the OneWireViewer PC utility, easily exercise and evaluate 1-Wire devices.

Learn more ›

Evaluation kit for the DS9090EVKIT

DS9090EVKIT

With the OneWireViewer PC utility, exercise and evaluate a broad range of 1-Wire devices.

Learn more ›

MAX17301/11 functional diagram

Pack-side fuel-gauge implementation

Host-side fuel-gauge implementation

1-Wire Technology Overview - Part 2

In “1-Wire Technology Overview - Part 1," you learned about the 1-Wire® protocol. In part 2, learn how the 1-Wire communication protocol can be used in authentication, memory, and temperature sensing applications.

Learn more: 1-Wire ›

1-Wire Technology Overview - Part 1

Learn how the 1-Wire® communication protocol works, its advantages over other types of serial communication, common implementation configurations, and popular 1-Wire applications. In the next video, “1-Wire Technology Overview - Part 2,” you’ll learn how the 1-Wire protocol is used in applications.

Learn more: 1-Wire ›

Introduction to the MAX77504 14Vin 3A High Efficiency Buck Converter

This video provides an introduction to Maxim's 14Vin 3A High-Efficiency Buck Converter - the MAX77504.

Introduction to the MAX77501 110VPK-PK High Efficiency Piezo Haptic Actuator Boost Driver

This video provides an introduction to Maxim’s first high voltage high efficiency piezo haptic driver – the MAX77501.

Introduction to the MAX20412 Automotive Low-Voltage 2-Channel Step-Down Controller

This video provides an introduction to the MAX20412, a dual-output, high-efficiency synchronous step-down controller IC that operates with a 3.0V to 5.5V input voltage range and provides a 0.25V to 1.275V output voltage range.

Introduction to the MAX14813 Ultra-Compact Octal 3L/Quad 5L Pulser with T/R Switches and Beamforming Capability

This video provides an introduction to Maxim's Ultra-Compact Octal 3L/Quad 5L Pulser with T/R Switches and Beamforming Capability - the MAX14813.

Evaluation Platform for Wrist-Based Heart-Rate and SpO2 Monitoring

MAXREFDES103#: Health Sensor Band

Demonstrates the high sensitivity and algorithm processing functions of health-sensing applications.

Learn more ›

3.5V to 36V Ideal Diode Controllers with Voltage and Current Circuit Breaker

MAX16141/MAX16141A

Mitigates high-voltage transient spikes, fast (0.3µs typ) shutdown response prevents reverse currents, and 5μA (typ) shutdown current reduces battery drain.

Learn more ›

280ps High-Speed Comparator, Ultra-Low Dispersion with LVDS Outputs

MAX40026

10ps overdrive delay at 20mV to 100mV output drive (dispersion) for 0.018cm time-of-flight measurement error in 2mm x 2mm TDFN.

Learn more ›

Introduction to the MAX25249 MAX25249B Quad Output Mini PMIC for Automotive Camera Applications

This video provides an introduction to Maxim’s Flexible Mini Dual 2.2MHz, 500mA Buck Converter with LDOs for Automotive Camera Supplies – the MAX25249 and MAX25249B

Introduction to the MAX98360A MAX98360B MAX98360C MAX98360D Tiny, Cost-Effective, Plug and Play Digital Class-D Amplifier

This video provides an introduction to Maxim's Tiny, Cost-Effective, Plug and Play Digital Class-D Amplifier - the MAX98360A MAX98360B MAX98360C MAX98360D

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

Read Their Story ›

Introduction to the MAX20340 Bidirectional DC Powerline Communication Management IC

This video provides an introduction to Maxim's Bidirectional DC Powerline Communication Management IC - the MAX20340.

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

Ultra-Low Power Octal, Digital Input Translator/Serializer

MAX31910

Translates, conditions, and serializes digital output of industrial sensors and switches.

Learn more ›

Octal, High-Speed, Industrial, High-Side Switch

MAX14900E

Fast 24V driver, low propagation delay, and 100kHz load-switching speed for high-speed PLCs.

Learn more ›

Introduction to the MAX20057 MAX20457 MAX20458 36V Boost Controller with Two Synchronous Buck Converters (3.5A/2A) for Automotive Applications

This video provides an introduction to Maxim's Synchronous Buck Converters for Automotive Applications.

Introduction to the MAX40056F/T/U Bidirectional Current Sense Amplifier with PWM-Rejection

This video provides an introduction to the MAX40056, a bi-directional current-sense amplifier with an input common-mode range that extends from -0.1Vto +65V together with protection against negative inductive kickback voltages to -5V.

How to Set Up a SerDes Reverse Control Channel When PCLK is Not Available - Using the MAX96705/MAX96706 GMSL SerDes

Learn how to establish the I2C reverse control channel when PCLK is not available using the MAX96705 Gigabit Multimedia Serial Link (GMSL) serializer and MAX96706 GMSL deserializer.

Also see: How do I program the remote side of a SerDes link when PCLK is not present?

Learn more: MAX96705 16-Bit GMSL Serializer ›

Learn more: MAX96706 14-Bit GMSL Deserializer ›

Automotive displays

Bigger, sharper automotive displays benefit from highly integrated power management ICs.

MAXREFDES103#

The MAXREFDES103# is a full wrist-worn wearable reference design for heart-rate, heart-rate variability, and SpO2 measurements.

Introduction to the MAX17634A, MAX17634B and MAX17634C 4.5V to 36V, 4.25A, High-Efficiency, Synchronous Step-Down DC-DC Converter

This video provides an introduction to Maxim's 4.5V to 36V, 4.25A, High-Efficiency, Synchronous Step-Down DC-DC Converter - the MAX17634A, MAX17634B and MAX17634C.

Kingston A2000 SSD

The Kingston A2000 SSD delivers fast, reliable performance for laptops.

LynQ people compass

The LynQ device creates a private network to help users find one another.

Sublue WhiteShark Mix underwater scooter

Sublue’s WhiteShark Mix underwater scooter propels users underwater, in pools or in the ocean.

Sublue WhiteShark Mix underwater scooter

Explore the ocean with Sublue’s WhiteShark Mix underwater scooter.

Ricoh Imaging Theta SC2 360° camera

The Theta SC2 360° camera creates still or video images that you can rotate around.