Ultrasound Imaging Systems

Description

By transmitting acoustic energy into the body and receiving and processing the returning reflections, phased-array ultrasound systems can generate images of internal organs and structures, map blood flow and tissue motion, and provide highly accurate blood velocity information. Historically, the large number of high-performance phased-array transmitters and receivers required to implement these imaging systems resulted in large and expensive cart-based implementations. Recently, advances in integration have allowed system designers to migrate to smaller, lower cost, and more portable imaging solutions with performance approaching these larger systems. The challenge moving forward is to continue to drive the integration of these solutions, while increasing their performance and diagnostic capabilities.


Transducers


A critical component of this system is the ultrasound transducer. A typical ultrasound imaging system uses a wide variety of transducers optimized for specific diagnostic applications. Each transducer is comprised of an array of piezoelectric transducer elements that transmit focused energy into the body and receive the resulting reflections. Each element is connected to the ultrasound system with fine coaxial cables. Typical transducers have 32 to as many as 512 elements and operate at frequencies from 1MHz to 15MHz. Most ultrasound systems provide two to as many as four switchable transducer connectors to allow the clinician to easily switch among the various transducers for each exam type.

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High-Voltage Multiplexing


A typical phased-array ultrasound system will have from 32 to as many as 256 transmitters and receivers. In many cases, the system will have fewer transmitters and receivers than the number of available transducer elements. In these cases, high-voltage switches located in the transducer or system are used as multiplexers to connect a specific transducer element to a specific transmitter/receiver (Tx/Rx) pair. In this way, the system can dynamically change the active transducer aperture over the available transducer element array.

The requirements for these switches are severe. They must handle transmit pulses with voltage swings as large as 200VP-P and with peak currents up to 2A. They must switch rapidly to quickly modify the configuration of the active aperture and maximize image frame rate. Finally, they must have minimal charge injection to avoid spurious transmissions and associated image artifacts.

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High-Voltage Transmitters


A digital transmit beamformer typically generates the necessary digital transmit signals with the proper timing and phase to produce a focused transmit signal. High performance ultrasound systems will generate complex transmit waveforms using an arbitrary waveform generator to optimize image quality. In these cases, the transmit beamformer generates digital 8-bit to 10-bit words at rates of approximately 40MHz to produce the required transmit waveform. Digital-to-analog converters (DACs) are used to translate the digital waveform to an analog signal, which is then amplified by a linear high-voltage amplifier to drive the transducer elements. This transmit technique is generally reserved for more expensive and less portable systems, as it can be very large, costly, and power hungry. As a result, the majority of ultrasound systems do not use this transmit-beamformer technique, but instead use multilevel high-voltage pulsers to generate the necessary transmit signals. In this alternate implementation highly-integrated, high-voltage pulsers quickly switch the transducer element to the appropriate programmable high-voltage supplies to generate the transmit waveform. To generate a simple bipolar transmit waveform, a transmit pulser alternately connects the element to a positive and negative transmit supply voltage controlled by the digital beamformer. More complex realizations allow connections to multiple supplies and ground in order to generate more complex multilevel waveforms with better characteristics. The slew rate and symmetry requirements for high-voltage pulsers have increased in recent years due to the popularity of second-harmonic imaging. Second-harmonic imaging takes advantage of the nonlinear acoustic properties of the human body. These nonlinearities tend to translate acoustic energy at fo to energy at 2fo. Reception of these second-harmonic signals has, for a variety of reasons, produced better image quality and is now widely used.

There are two basic methods used to implement second-harmonic imaging. In one method called standard-harmonic imaging, the second-harmonic of the transmit signal is suppressed as much as possible. As a result, the received second-harmonic derives solely from the nonlinear behavior of the body. This mode of operation requires that second-harmonic content of the transmit energy be at least 50dB below the fundamental. To achieve this, the duty cycle of the transmit pulse must be less than ±0.2% of a perfect 50% duty cycle. The other method, called pulse inversion, uses inverted transmit pulses to generate two phase-inverted receive signals along the same image line. Summation of these two phase inverted receive signals in the receiver recovers harmonic signals generated by nonlinear processes in the body. In this pulse-inversion method, the summed phase-inverted transmit pulses must cancel as much as possible. To do this, the rise and fall times of the high-voltage pulsers must match very closely.

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Image-Path Receivers


The ultrasound image-path receivers are used to detect 2D as well as pulsed-wave Doppler (PWD) signals necessary for color-flow imaging and spectral PWD. The receivers include a Tx/Rx switch; a low-noise amplifier (LNA); a variable-gain amplifier (VGA); an anti-alias filter (AAF); and an analog-to-digital converter (ADC).

Tx/Rx Switch
A Tx/Rx switch protects the LNA from the high-voltage transmit pulse and isolates the LNA’s input from the transmitter during the receive interval. The switch is usually implemented using an array of properly biased diodes which automatically turn on and off when presented with a high-voltage transmit pulse. The Tx/Rx switch must have fast recovery times to ensure that the receiver is on immediately after a transmit pulse. These fast recovery times are critical for imaging at shallow depths and for providing a low on-impedance to ensure that receiver noise sensitivity is maintained.

Low-Noise Amplifier
The LNA in the receiver must have excellent noise performance and sufficient gain. In a properly designed receiver the LNA will generally determine the noise performance of the full receiver. The transducer element is connected to the LNA through a relatively long coaxial transducer cable terminated into relatively low impedance at the LNA’s input. Without proper termination the cable capacitance, combined with the transducer element’s source impedence, can significantly limit the bandwidth of the received signal from a broadband transducer. Termination of the transducer cable into a low impedance reduces this filtering effect and significantly improves image quality. Unfortunately, this termination also reduces the signal level at the input to the LNA and, therefore, tends to reduce the receiver’s sensitivity. Consequently, it is important for the LNA to have active-input-termination capability to provide the requisite low-input impedance termination and excellent noise performance required under these conditions.

Variable-Gain Amplifier (VGA)
The VGA, sometimes called a time gain control (TGC) amplifier, provides the receiver with sufficient dynamic range over the full receive cycle. Ultrasound signals propagate in the body at approximately 1540 meters per second and attenuate at a rate of about 1.4dB/cm-MHz roundtrip. Immediately after an acoustic transmit pulse, the received "echo" signal at the LNA's input can be as large as 0.5VP-P. This signal quickly decays to the thermal noise floor of the transducer element. The dynamic range required to receive this signal is approximately 100dB to 110dB, and is well beyond the range of a realistic ADC. As a result, a VGA is used to map this signal into the ADC. A VGA with approximately 30dB to 40dB of gain is necessary to map the received signal into a typical 12-bit ADC used in this application. The gain is ramped as a function of time (i.e., "time gain control") to accomplish this dynamic range mapping. The instantaneous dynamic range of an ultrasound receiver is also very important; it affects 2D image quality and the system’s ability to detect Doppler shifts and thus blood or tissue motion. This is especially true in second-harmonic imaging where the second-harmonic signals of interest can be significantly less than signals at the transmit fundamental.

It is also the case in Doppler modes where small Doppler signals can be located within 1kHz or less of very large signals from tissue or vessel walls. As a result, both the broadband and near-carrier SNR is of prime interest, and is often limited by this stage of the receiver.

Anti-Alias Filter (AAF) and ADC
The AAF in the receive chain keeps high-frequency noise and extraneous signals that are beyond the normal maximum imaging frequencies from being aliased back to baseband by the ADC. Many times an adjustable AAF is provided in the design. To avoid aliasing and to preserve the time-domain response of the signal, the filter itself needs to attenuate signals beyond the first Nyquist zone. For this reason Butterworth or higher-order Bessel filters are used. The ADC used in this application is typically a 12-bit device running from 40Msps to 60Msps. This converter provides the necessary instantaneous dynamic range at acceptable cost and power levels. In a properly designed receiver, this ADC should limit the instantaneous SNR of the receiver. As previously mentioned, however, limitations in the poor performing VGAs many times limit receiver SNR performance.

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Digital Beamformers


The ADC's output signals are typically routed to digital-receive beamformers through a high-speed LVDS serial interface. This approach reduces PC-board (PCB) complexity and the number of interface pins. The beamformer contains upconverting lowpass or bandpass digital filters which increase the effective sample rate by as much as 4x to improve the system’s beamforming resolution. These upconverted signals are stored in memory and appropriately delayed, and then summed by a delay-coefficient calculator to yield the appropriate focus. The signals are also appropriately weighted, or "apodized," using an apodization calculator before summing. This step appropriately windows the receive aperture to lower the side-lobe interference of the receive beam and improve image quality.

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Beamformed Digital-Signal Processing


Received, beamformed, digital ultrasound signals are processed for visual and audio output using a wide variety of DSP and off-the-shelf PC-based computer solutions. This process can generally be separated into B-mode or 2D image processing, and Doppler processing associated with color-flow image generation and both PWD and continuous-wave Doppler (CWD) spectral processing.

B-Mode Processing
In B-mode processing, the RF beamformed digital signal is properly filtered and detected. The detected signal has an extremely wide dynamic range, which the B-mod processor must digitally compress into the visible dynamic range available for the display.

Color-Flow Processing
In color-flow processing, the RF digital beamformed data is digitally mixed by using quadrature local oscillators (LOs) at the transmit frequency to do the complex mixing into I and Q baseband signals. As a result, each sample of the acoustic receive line has associated magnitude and phase values assigned. In color-flow processing, 8 to 16 acoustic lines are typically collected along the same image path line in order to measure Doppler shifts. Reflections from moving blood flow or from moving tissue along that image path will create a Doppler shift and, therefore, change the phase of the baseband I/Q samples where that shift occurred. The color processor determines the average phase shift versus time for each point along that image path over the 8 to 16 lines; the processor also assigns a color to represent that average velocity. In this way, a twodimensional color representation of blood or tissue motion can be made.

Spectral Doppler
In spectral processing, the beamformed digital signals are digitally filtered, mixed to baseband by using quadrature local oscillators (LOs) at the transmit frequency, and then sampled at the transmit pulse repetition frequency (PRF). A complex, fast Fourier transform (FFT) is used to generate an output spectrum representing the velocity content of the signal. The signal magnitude for each bin of the FFT output is calculated and compressed to optimize the available, visible display dynamic range. The signal magnitude is finally displayed versus time on the ultrasound display. With CWD the signal is processed in much the same way. In addition to processing these signals for display, the spectral processor also generates left and right stereo audio signals that represent positive and negative velocities. A DAC converts these signals which are used to drive external speakers and headphones.

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Display Processing


The display processor performs the computations necessary to map the polar-coordinate, acoustic image data from the B-mode or color-flow processor into the rectangular-coordinate bitmap image to avoid image artifacts. This processing is generally referred to as R-θ conversion. The display processor also performs other spatial-image-enhancement filtering functions.

Continuous Wave Doppler (CWD)
CWD is a modality available in most cardiac and general-purpose ultrasound imaging systems, and it is used to accurately measure the higher-velocity blood flows typically found in the heart. In CWD mode, the available ultrasound transducer elements are split into equal halves about the center of the transducer aperture. Half of the elements are used as transmitters to produce a focused acoustic CWD transmit beam; the other half of the elements serve as receivers to produce a focused receive beam. The signals applied to the transmit elements are square waves at the Doppler frequency of interest, typically 1MHz to 7.5MHz. Transmit jitter needs to be minimized to avoid phase-noise generation that can adversely affect Doppler phase-shift detection. The transmit beam is focused by properly phasing the signals applied to the transmit elements. In a similar way, the CWD received signals are focused by phasing and summing the signals from each receive element.

Because the transmitters are on simultaneously with the receivers in this mode, the Doppler signals of interest are typically within a few kilohertz of a very large receive signal that is generated by reflections from stationary tissue at the transmit fundamental. The dynamic range necessary to handle this large signal is well beyond the range of the VGA, AAF, and 12-bit ADC in the image-receive path. As a result, an alternative high-dynamic receive solution for CWD is necessary. CWD receivers are typically implemented in one of two ways. In one method high-performance ultrasound systems typically extract a received CWD signal at the LNA output. Complex mixers at an LO frequency equal to the transmit frequency are then used to beamform the signals and mix them to baseband for processing. The phase of the I/Q LOs can be adjusted on a channel-by-channel basis to shift the phase of the received CWD signal. The output of these mixers is summed, bandpass filtered, and converted by an ADC. The resulting baseband beamformed signal is in the audio range (100Hz to 50kHz). Audio-frequency ADCs are used to digitize the I and Q CWD signals. These ADCs need significant dynamic range to handle both the large low-frequency Doppler signals from moving tissue and the smaller signals from blood. The other method to receive a CWD signal uses delay lines and is usually employed in low-cost systems. In this implementation signals are again extracted at the LNA’s output and converted into current signals. A crosspoint switch sums channels with similar phases into 8 to 16 separate output signals, as determined by the receive beamformer. Delay lines are used to delay and sum these signals into a single beamformed signal at the RF frequency. This signal is then mixed to baseband using an I/Q mixer with an LO at the transmit frequency. The resulting baseband audio signal is filtered and converted to a digital representation.

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“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

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 ›

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 ›

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

Read Their Story ›

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

Read Their Story ›

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 ›

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

Read Their Story ›

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

Read Their Story ›

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

Read Their Story ›

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

Read Their Story ›

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 ›

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

Read Their Story ›

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

Building automation technology

Power management ICs help support effective building automation technologies.

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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Arm Cortex-M4F Development Platform with Expansion Connectors for Battery-Powered Devices

MAX32620FTHR

Mbed-enabled development platform for the MAX32620 ultra-low-power microcontroller. On-board PMIC, fuel gauge, peripherals, and Pmod™ connectors enable rapid development with a small 0.9in x 2.0in board.

Evaluation Kit for the MAXM17575 5V Output Application

MAXM17575EVKIT

Integrated power solution providing 5V from a wide input range of 7.5V to 60V with up to 1.5A of current.

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Evaluation Kit for the MAXM17761 5V Output-Voltage Application

MAXM17761EVKIT

Integrated power solution providing 5V from a wide input range of 4.5V to 76V with up to 1A of current.

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Evaluation Kit for the MAXM17574 5V Output Application

MAXM17574EVKIT

Integrated power solution providing 5V from a wide input range of 10V to 60V with up to 3.0A of current.

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3µA 1-Cell/2-Cell Fuel Gauge with ModelGauge

MAX17048EVKIT

Smallest, lowest power fuel gauge with proven, voltage-only ModelGauge algorithm.

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DeepCover Secure Authenticator Demonstration Kit

MAXAUTHDEMO

Hardware/software platform that demonstrates the functional capabilities of Maxim's Secure Authenticators in genuine use-case scenarios.

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Stand-Alone ModelGauge m5 Fuel Gauges with SHA-256 Authentication EZ

MAX17201GEVKIT

Offers nonvolatile memory (NVM) for pack-side, single-cell or multi-cell applications.

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7µA 1-Cell Fuel Gauge with ModelGauge m5 EZ

MAX17055XEVKIT

Combines coulomb counting and voltage fuel gauging for highest SOC accuracy.

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18-Bit Precision Data Acquisition System

MAXREFDES74

Performs High-Speed, Precision Data Acquisition with High-Accuracy, Low-Power Data Converters.

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Evaluation Kit for the MAXM17503 in a 5V/2.5A Output Application

MAXM17503EVKIT

Integrated power solution providing 5V from a wide input range of 11V to 60V with up to 2.5A of current.

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Evaluation Kit for the MAXM17502 in a 5V/1A Output Application

MAXM17502EVKIT

Provides 5V from a 12V to 60V input and delivers up to 1A at over 84% efficiency.

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Evaluation Kit for the MAX1510

MAX1510EVKIT

Evaluates the Low-Voltage DDR Linear Regulator

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Evaluation Kit for the MAX17651

MAX17651EVKIT

Demonstrates the 60V, 100mA, Ultra-Low Quiescent Current, Linear Regulator

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16-Bit Four-Channel Analog Input Micro PLC Card

MAXREFDES61

Complete Analog Front-End for Next-Gen Ultra-Small PLCs with Isolated Power and Data.

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Isolated Power Supply Reference Design

MAXREFDES9

3.3V to 15V Input, ±15V (±12V) Output Isolated Power for Industrial and Medical Applications

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Evaluation Kit for MAXM17515 in a 1.5V/5A Output Application

MAXM17515EVKIT

Provides 1.5V from a 2.4V to 5.5V input and delivers up to 1.5A at over 91% efficiency.

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MAX30205 Evaluation System

MAX30205EVKIT

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

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Complete Evaluation Board for Ultra-Low Power Cortex-M4F Microcontroller

MAX32620-EVKIT

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

Evaluation Board for Defibrillation/Surge/ESD Protector for Medical and Industrial Applications

MAX30034EVKIT

Fully tested board includes MAX30034 to absorb repetitive defibrillation and other high-energy pulses.

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Analog-Rich Arm Cortex-M3 Development Platform

MAX32600MBED

Mbed™-enabled evaluation system for the MAX32600 ultra-low-power micro with advanced analog features and hardware security. Arduino connectors and prototyping space enable rapid development.

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Cryptographic Controller for Embedded Devices Development Platform

MAXQ1061 Evaluation Kit - Evaluates: MAXQ1061

Credit card-sized socketed board allows for communication and power through a 10-pin connector to an optional host adapter.

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Smart Force Sensor

MAXREFDES82

Industrial sensor displays weight and center of mass for objects placed on the platform, up to 780g.

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Wearable, Galvanic Skin Response System

MAXREFDES73

GSR measurement detects human skin impedance under different situations.

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GPS/GNSS Ultra-Low-Noise-Figure LNA

MAX2667EVKIT

Lowest noise figure GPS LNA delivers high gain and high linearity in a tiny package.

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Evaluation Kit for the MAX44298

MAX44298EVKIT

Assesses the MAX44298 precision power monitor with very low offset for low-side monitoring.

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Evaluation Kit for GPS/GNSS Ultra-Low Current LNA

MAX2679/MAX2679B EV Kits - Evaluates: MAX2679/MAX2679B

Enables testing of RF performance with no additional circuitry. Provides 50Ω SMA connectors for inputs and outputs.

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40MHz to 4GHz Linear Broadband Amplifier

MAX2615

High-performance broadband amplifier with exceptional gain flatness in an 8-pin TDFN.

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DeepCover Embedded Security in an IoT: Public-Key Secured Data Paths

MAXREFDES155

Secures IoT systems with a public-key-based authenticated data chain from a protected sensor node to a web server.

24-Bit Weigh Scale

MAXREFDES75

High-accuracy weigh scale reference design performs small-signal 24-bit measurements, and produces a weighted 0 to 10V output proportional to the input signal.

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Evaluation Kit for the MAX44284

MAX44284EVKIT

Demonstrates the high-precision real-time current monitoring of the MAX44284 current-sense amplifier.

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High-Precision, Long-Battery Life Heat/Flow Meter

MAXREFDES70

Low-power, ultrasonic time-of-flight reference design for high-accuracy liquid flow measurement.

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Arm Cortex-M4F Development Platform Optimized for Bluetooth®-Based Battery-Powered Devices

MAX32630FTHR

Mbed-enabled development platform for the MAX32630 ultra-low-power microcontroller. On-board PMIC, Bluetooth, and peripherals enable rapid development with a small 0.9in x 2.0in board.

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Health Sensor Platform

MAXREFDES100

mbed-enabled sensor platform for rapid evaluation of wearable health and fitness solutions. Measures motion, temperature, biopotential, pulse oximetry, and heart rate.

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4–20mA 2-Wire Current-Loop Sensor

MAXREFDES15

Ultra-low power, high-accuracy loop-powered sensor transmitter that connects to any standard PT1000 resistance sensor and converts the linearized temperature to a 4–20mA current signal.

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4–20mA Loop-Powered Temperature Sensor with Hart

MAXREFDES16

2-wire, loop-powered smart temperature transmitter solution for temperature measurement. Works with any type of RTD, from PT100 to PT1000.

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Isolated 24V to 3.3V 33W Power Supply

MAXREFDES121

Isolated, industrial power-supply reference design with an efficient active-clamp topology design with 24V input.

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ECT/EPT Current Fault Sensor

MAXREFDES38

High-accuracy analog front-end for ECT/EPT low-power sensors to increase precision of grid health data and fault location.

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Universal Input Micro PLC

MAXREFDES67

Universal analog input accepts analog voltage and current, all RTD configurations and thermocouples to collect high-accuracy analog data using a single architecture.

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MAXREFDES150: POCKET IO PLC DEVELOPMENT PLATFORM

MAXREFDES150

Industry 4.0, the fourth revolution in manufacturing and process automation, poses a considerable challenge for PLC design engineers who are required to pack more functionality into enclosures that keep getting smaller.

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Isolated, 24V to 12V, 20W Power Supply Reference Design

MAXREFDES113

Compact, 24V input, flyback converter module with 12V at 1.6A output and pre-qualified transformers.

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Non-isolated 24V to 5.1V, 20W Power Supply

MAXREFDES125

High-efficiency, 20W power supply for industrial and broad power-supply applications.

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Isolated, 24V to 5V, 10W Power Supply Reference Design

MAXREFDES114

Compact, 24V input, forward converter module with 5V at 2A output and pre-qualified transformers.

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Heart-Rate and Pulse-Oximetry Monitor

MAXREFDES117

A low power, optical heart-rate module complete with integrated red and IR LEDs, and a power supply.

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Dual-Channel Current Sense Peripheral Module

MAXREFDES77

Interfaces the MAX44285 dual-channel high-side current-sense amplifier to any system that utilizes Pmod™-compatible expansion ports.

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Non-isolated 5V/2.5A PoE Powered Device Power Supply

MAXREFDES98

This non-isolated PoE powered device design combines a PD controller and buck converter on a 1.2 in2 board. It accepts 36V to 57V input with 5V output up to 2.5A.

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Power Amplifier Biasing through MAX11300 PIXI IC

MAXREFDES39

This design uses a MAX11300 programmable mixed-signal I/O (PIXI™), to bias and monitor a power amplifier for an RF base station.

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IO-Link® 16 Channel Digital Input Hub

MAXREFDES36

This IO-Link® 16-channel digital input reference design includes a 16-bit micro with IO-Link device stack and fits on a small 53.75mm x 72mm PCB.

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Pocket IO™ PLC Development Platform

MAXREFDES150

Integrates 30 industrial IOs for lower heat dissipation and faster throughput in less than ten cubic inches.

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Secure Authentication Design with 1-Wire ECDSA and Xilinx Zynq SoC

MAXREFDES44

Protects IP and authenticates peripherals to Xilinx Zynq™ FPGAs.

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SHA-256 Secure Authentication Design

MAXREFDES34 (Alcatraz)

This design implements SHA-256 authentication function using the 1-Wire protocol.

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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.

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Non-isolated 12V/1A PoE Powered Device Power Supply

MAXREFDES108

This non-isolated PoE powered device design combines a PD controller and buck converter on a 1.2 in2 board. It accepts 36V to 57V input with 12V output up to 1A.

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Isolated 24V to 5V, 2W Flyback Power Supply

MAXREFDES111

Industrial power-supply reference design features an efficient flyback topology with 24V input, and a 5V output at 2W of power (0.4A)

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Smart Force Sensor

MAXREFDES82

Operates as Both a Weigh Scale and a Touch Interface with Force Sensing for Industrial Applications.

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3.3V and 5V PoE Powered Device

MAXREFDES31 (Pasadena)

This design is an IEEE 802.3af/at compliant. Powered Device (PD). In addition to regulating power received over Ethernet, device can also be powered from a wall adapter.

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4-Port IO-Link Master

MAXREFDES79

4-Port IO-Link Master Reference Design Description: Four IO-Link ports allow for simultaneous testing of four different sensors or actuators.

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Provide a Safe Power Path from the Car Battery to Remote Cameras

 

Provide a Safe Power Path from the Car Battery to Remote Cameras
Transmission of power and data on long coaxial cable bundles requires protection from various short-circuit modes (STG, STB). Remote cameras are small and require space- and power-efficient solutions. The MAX20039 buck-boost converter is an effective supply for power-over-coax. The MAX20087 quad power camera pro­tector is a compact, efficient protection IC. The dual MAX20019 cascade buck converter configuration delivers high efficiency in a small space. This triplet of ADAS ICs effectively provides power and protection to the path from the car battery to the remote cameras.

Featured parts: MAX20039, MAX20040, MAX20087, MAX20019
Read more ›

Introduction to the MAX40077 MAX40078 MAX40089 Single/Dual/Quad Ultra-Low Input Bias Current, Low Noise Amplifiers

This video provides an introduction to the MAX40077/MAX40078/MAX40089 are wide band, low-noise, low-input bias current operational amplifiers that offer rail-to-rail outputs and single-supply operation from 2.7V to 5.5V.

Introduction to the MAX40242 20V, Low Input Bias-Current, Low-Noise, Dual Op Amplifier

This video provides an introduction to the MAX40242 which provides a combination of high voltage, low noise, low input bias current in a dual channel and features rail-to-rail at the output.

Ultra-Low-Power, Stereo Audio Codec

MAX9867

Includes stereo differential microphone inputs integrated with an auxiliary battery-measurement ADC and capacitorless headphone amps.

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The Ins and Outs of Voltage Supervisor ICs

Low-Power Supervisory Circuit with Battery Backup.

The Ins and Outs of Voltage Supervisor ICs

The MAX16140 4-bump WLP Package.

Boosted Class D Amplifier with Automatic Level Control

MAX98502

Operates at 2MHz and delivers constant 2.2W output power without collapsing battery.

Learn more ›

Ultra-Low Power Stereo Audio Codec

MAX98090

High-performance, ultra-low power consumption, and small footprint make it ideal for portable applications.

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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.

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Boosted Class-D Amplifier with Integrated Dynamic Speaker Management

MAX98390

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

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Tiny, Low-Cost, PCM Class D Amplifiers 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.

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High-Sensitivity Pulse Oximeter and Heart-Rate Sensor

MAX30102

Pulse Oximeter and Heart-Rate Biosensor for Wearable Health

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1A Linear Li+ Battery Charger with Integrated Pass FET and Thermal Regulation in 2mm x 2mm TDFN

MAX8808X/Y/Z

Simplest and Smallest Charging Solution for Hand-Held Equipment

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High-Efficiency Buck-Boost Regulator

MAX77801

The MAX77801 is a high-current, high-efficiency buck-boost targeted to mobile applications that use a Li-ion battery or similar chemistries. The MAX77801 utilizes a four-switch H-bridge configuration to support buck and boost operating modes. Buck-boost provides 2.60V to 4.1875V of output voltage range and up to 2A output current.

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Wearable Charge Management Solution

MAX14676

This battery-charge-management solution includes a linear battery-charger with 28V tolerant input, smart power control, and several power-optimized peripherals. A boost regulator with 5V to 17V output, and 3 programmable current sinks can drive a variety of LED configurations.

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Industry's Smallest 1.55A 1-Cell Li+ DC-DC Charger

MAX8971

This device charges quickly with minimal heat generation. It charges from variety of adapters and maximizes Safety featuring JEITA-compliant temperature monitoring and withstands transient inputs up to 22V.

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ModelGauge m3 Fuel Gauge

MAX17047/MAX17050

These battery fuel gauges provide excellent short-term and long-term accuracy by using both coulomb counting and voltage-based ModelGauge algorithms. ModelGauge m3 cancels offset accumulation error in the coulomb counter while providing better short-term accuracy than any purely voltage-based fuel gauge.

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USB/AC Adapter, Li+ Linear Battery Charger

MAX8606

This complete 1-cell Li+ battery charge-management IC operates from either a USB port or AC adapter. It integrates a battery disconnect switch, current-sense circuit, PMOS pass element, and thermal-regulation circuitry, while eliminating the external reverse-blocking Schottky diode, to create a simple and small charging solution.

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3µA 1-Cell Fuel Gauge with ModelGauge

MAX17048

Maximize Battery Run-Time with Industry's Smallest Size, Lowest Power Fuel Gauge

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7µA 1-Cell Fuel Gauge with ModelGauge m5 EZ

MAX17055

ModelGauge m5 EZ Eliminates Battery Characterization

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7µA 1-Cell Fuel Gauge with ModelGauge m5 EZ

MAX17055

Low IQ fuel gauge for precision measurements of current, voltage, and temperature.

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Wearable Power Management Solution for Primary Cells

MAX20310

Wearable Power Management for Single-Cell Zinc Air, Silver Oxide, and Alkaline Battery Architectures

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Wearable Charge-Management Solution

MAX14690

Extends Battery Life of Wearable Electronics

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WPC/PMA Dual-Mode Wireless Power Receiver

MAX77950

Power receiver IC provides precision output current and voltage-sensing scheme over entire load range.

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Secure Authenticator with SHA-256 Coprocessor

DS2465

Secure authenticator features 1-Wire master with SHA-256 and memory functionality.

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Secure Authenticator with 1-Wire SHA-256 and 512-Bit User EEPROM

DS28E15

Secure authenticator features factory-programmed, unique 64-bit ROM identification number.

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Secure Authenticator with Elliptic-Curve Public-Key Authentication

DS28C36

Secure authenticator features true random number generator, secured EEPROM, and ROM ID

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Ultra-Low-Power PMIC with 3-Output SIMO

MAX77650

PMIC features SIMO buck-boost regulator and a 150mA LDO.

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Secure Coprocessor with Elliptic-Curve Public-Key Authentication

DS2476

Secure ECDSA and HMAC SHA-256 coprocessor companion to the DS28C36.

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Dual Input, Power Path, 3A Switching Mode Charger

MAX77818

High-performance companion PMIC with ModelGaugeTM m5 fuel gauge technology.

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Why Shrinking Sizes of RTCs Is Good News for Your Portable Designs

Layout of crystal with integrated capacitors (left) and two integrated capacitors with crystal equivalent circuit (right).

Smartwatch clock

Small, low-power RTCs are ideal for compact, portable designs.

Introduction to the MAX17301 and MAX17311: 1-Cell ModelGauge m5 EZ Fuel Gauge with 2-Level Protector and SHA-256 Authentication

This video provides an introduction to Maxim’s 1-Cell ModelGauge m5 EZ Fuel Gauge with 2-Level Protector and SHA-256 Authentication—the MAX17301 and MAX17311.

Introduction to the DS28C40 Deep Cover Automotive I2C Authenticator

This video provides an introduction to Maxim’s Secure Authenticator for Automotive – the DS28C40.

Introduction to the MAXM15062-63-64-65-66-67-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.

Introduction to the MAX31341B Low-Current, Real-Time Clock with I2C Interface and Power Management

This video provides an introduction to Maxim’s Low-Current, Real-Time Clock with I2C Interface and Power Management – the MAX31341B.

Introduction to the MAX17302 MAX17312 1-Cell ModelGauge m5 EZ Fuel Gauge with Protector and SHA-256 Authentication

This video provides an introduction to the MAX17302/MAX17312, a 24μA IQ stand-alone pack-side fuel gauge IC with protector and SHA-256 authentication for 1-cell lithium-ion/polymer batteries.

High-Efficiency Buck-Boost Regulator with 5A Switches

MAX77816

98% efficiency with I2C interface for single-cell Li-ion battery-powered applications.

20A User-Configurable Quad-Phase Buck Converter

MAX77812

91% efficiency with 3.4MHz high-speed I2C and 30MHz SPI interface, optimized for single-cell battery-powered applications.

[Sales Rep] Technical Training Basic 2019 Power Protection

"Technical Basic Training course presenting the basic of what system protection is, why it is needed, and the current challenges for system engineer trying to implement full system protection. This is a newer version of a previous one"

[Sales Rep] Technical Training Basic 2019 - Offset and Gain Error

Technical Basic Training course presenting the causes of Offset and Gain Errors in operational amplifiers and other devices in a typical signal chain and how to mitigate these errors through calibration.

[Sales Rep] Technical Training Basic 2019 ESD Tutorial

Technical Basic Training course presenting an overview of Electrostatic Discharge and how to protect the integrated circuits from that phenomenon.

[Sales Rep] Technical Training Basic 2019 - Frequency Synthesizer

Training course presenting an overview of Frequency Synthesizer using Phase Locked Loop method.

[Sales Rep] Technical Training Basic 2019 Understanding DAC Specifications

Technical Basic Training course explaining the key specifications of Digital to Analog converters.

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.

[Sales Rep] Technical Training - Basic Curriculum 2019

This curriculum contains six courses: DAC Specifications, Frequency Synthesizers, ESD, Power Protection, NFC/RFID, Signal Chain Offset and Gain Errors

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.

MAX22500E eye diagram

MAX22500E is the industry’s fastest RS-485 transceiver with pre-emphasis for robust communications over longer cables.

MAX22500E

The MAX22500E RS-485 transceiver IC supports a data rate of 100Mbps over 10m of Cat5e cable.

Industrial Control System

RS-485 is an ideal communications standard for noisy industrial environments.

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 MAX38904A/B/C/D 2A Low Noise LDO Linear Regulator in TDFN

This video provides an introduction to Maxim's Low Noise LDO Linear Regulator in TDFN - the MAX38904A MAX38904B MAX38904C MAX38904D.

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.

Introduction to the MAX25600 Synchronous High Voltage 4 Switch Buck Boost LED Controller

This video provides an introduction to the MAX25600, a synchronous 4-switch buck-boost LED driver controller.

Enabling a Healthier World with the MAX30101 Biosensor Solution and Raku-Raku Smartphone

Fujitsu Connected Technologies Limited has added a healthcare functionality to its Raku-Raku Smartphone, which is ideal for first-time smartphone users. The company expects smartphones to make seniors more aware of their heath and to provide clues to improve their living habits. With analysis of pulse wave data, which can be obtained from the MAX30101 pulse-oximeter and heart-rate sensor, the company created a feature to diagnose the age of blood vessels and to assess stress levels.

Learn More: MAX30101 ›

ProtoCentral MAX86150 breakout board

Quickly prototype mobile health applications with breakout boards like ProtoCentral’s MAX86150 board.

ProtoCentral MAX30003 breakout board

Breakout boards like ProtoCentral’s MAX30003 product help you quickly evaluate and test-drive the MAX30003 biopotential AFE.

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 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.

MAX17263

How to Select and Configure a Battery Fuel Gauge for Your Portable System

Travis explains how to choose a battery fuel gauge and battery characterization model. He demonstrates the ModelGauge m5’s EZ Configuration GUI which does not require characterization for most battery chemistries, using the MAX17263GEVKIT.

Learn More › MAX17263

Suhel Dhanani, business development director, Industrial & Healthcare Business Unit, at Maxim

Small, efficient ICs help drive the industrial IoT.

Industrial IoT application

Small, efficient, and rugged ICs are critical components in an IIoT application.

Simon Wu

Maxim Summer Interns Showcase Their Technical Talents

Maxim’s summer 2019 interns showcase their talents in areas including electrical engineering, finance, marketing, and legal.

Naina Murthy

Maxim Summer Interns Showcase Their Technical Talents

Maxim’s summer 2019 interns showcase their talents in areas including electrical engineering, finance, marketing, and legal.

Kelly Fan

Maxim Summer Interns Showcase Their Technical Talents

Maxim’s summer 2019 interns showcase their talents in areas including electrical engineering, finance, marketing, and legal.

Aaron Wilhelm

Maxim Summer Interns Showcase Their Technical Talents

Maxim’s summer 2019 interns showcase their talents in areas including electrical engineering, finance, marketing, and legal.

Tim Jeong

Maxim Summer Interns Showcase Their Technical Talents

Maxim’s summer 2019 interns showcase their talents in areas including electrical engineering, finance, marketing, and legal.

Tawni Henderson

Maxim Summer Interns Showcase Their Technical Talents

Maxim’s summer 2019 interns showcase their talents in areas including electrical engineering, finance, marketing, and legal.

Mar’Shun Oliver

Maxim Summer Interns Showcase Their Technical Talents

Maxim’s summer 2019 interns showcase their talents in areas including electrical engineering, finance, marketing, and legal.

Maxim Summer Interns Showcase Their Technical Talents

Maxim’s summer 2019 interns showcase their talents in areas including electrical engineering, finance, marketing, and legal.

How to Use the MAX31342SHLD Evaluation Kit

Tawni sets up the MAX31342SHLD, which evaluates the MAX31342 low-current real-time clock (RTC). She walks through the GUI and shows some of the MAX31342SHLD’s features, including real-time monitoring and low timekeeping current.

Learn more: MAX31342SHLD ›

How to Update the Firmware on the MAXREFDES101 Health Sensor Platform 2.0

Sankalp explains how to easily update the firmware on the MAXREFDES101 Health Sensor Platform 2.0 to quickly start programming the onboard electrocardiogram (ECG), photoplethysmography (PPG), and human body temperature sensors.

Learn more: MAXREFDES101 ›

How to Use a Flyback Converter to Achieve Isolated Voltage Level Shifting

Teja explains how to translate a single-ended voltage at the input to a bipolar voltage at the output using an isolated flyback converter. He goes over the importance of isolation in a circuit and the circuit elements that can be used for isolation. He finishes with a demonstration of how to use the MAXREFDES1141 and the MAXREFDES1132 to achieve isolated voltage-level shifting.

Learn more: MAXREFDES1141 ›
Learn more: MAXREFDES1132 ›

Laptop clock

An accurate, low-power RTC keeps clocking applications running reliably.

Optimized Pulse-Oximeter and Heart-Rate AFE

MAX30112

Includes 2 LED drivers and 1 photo diode input to enable heart-rate (HR) measurement for wearables.

Learn more ›

Introduction to the MAX31342 Low Current Real Time Clock with I2C Interface

This video provides an introduction to the MAX31342 low-current, real-time clock (RTC) is a time-keeping device that provides an extremely low timekeeping current, permitting longer life from a power supply.

±0.1°C Accurate, I2C Digital Temperature Sensor

MAX30208

Repeatability of 0.008°C RMS using a 16-bit sample rate enables clinical-grade accuracy for next-generation wearables.

Learn more ›

How Secure Authenticators Prevent Counterfeiting of Medical Disposables

Medical disposables such as pulse oximeters can be easily protected with secure authenticators.

MAX20743EVKIT Board Photo

Evaluation Kit for the MAX20743 (Integrated, Step-Down Switching Regulator with PMBus)

Clock

In addition to clocking functionality, RTCs can help save power and reduce size for compact designs.

Low-Current, Real-Time Clock with I2C Interface and Power Management

MAX31341B

Operates at < 180nA to extend battery life in wearables, point-of-sale, and portable systems.

Learn more ›

Ultra-Low-Power Biopotential/BioZ AFE for ECG and Pace Detection

MAX30001

Ultra-low 1.71µVP-P noise floor optimizes sensitive health patch measurements.

Learn more ›

Best-in-Class Optical Pulse Ox and Heart-Rate Sensor

MAX86141

Leading-edge HIR/HRV and activity classification algorithms for high-intensity outdoor environments.

Learn more ›

Introduction to the MAX32665 MAX32666 MAX32667 and MAX32668 Low Power ARM Cortex-M4 with FPU-Based Microcontroller w/ Bluetooth 5 for Wearables

This video provides an introduction to the MAX32665-MAX32668 UB class microcontroller, which is an advanced system-on-chip featuring an Arm® Cortex®-M4 with FPU CPU for efficient computation of complex functions & algorithms.

Smartwatch for healthcare

Smartwatches and other wearables can help reduce healthcare costs.

Andrew Baker of Maxim

Maxim’s Andrew Baker explains how wearables can help lower healthcare costs.

How to Set Up the MAXREFDES117 Heart-Rate and Pulse-Oximetry Monitor with an Arduino Board

Ben demonstrates how to use the MAXREFDES117 heart-rate and pulse-oximetry reference design with an Arduino® microcontroller to read heart-rate signals and monitor SpO2 levels. He also demonstrates some common issues and how to resolve them.

Lean More: MAXREFDES117 ›

Synchronous Buck and Buck-Boost LED Drivers/DC-DC Converters

MAX25610A/MAX25610B

Automotive-grade LED drivers with integrated MOSFETs and internal current sense drive up to 3A LED.

Learn more ›

How Dynamic Voltage Scaling Saves Power in Wearables

Wearables that provide continuous, real-time monitoring of vitals such as heart rate are designed to operate reliably under varying conditions and use cases. Dynamic voltage scaling can complement other techniques to minimize power and extend battery life.

Synchronous 5V to 60V, 4-Switch Buck-Boost LED Driver Controller

MAX25600

Provides seamless transition between buck, buck-boost, and boost modes to drive wide range of LEDs with up to 95% efficiency.

Learn more ›

Automotive High-Voltage, HB LED Controllers

MAX25611A/B/C/D

5V to 36V VIN, up to+65V boost output, support multiple configurations for front-end lighting and other LED applications.

Learn more ›

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 ›

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 ›

Fig02

Opening/closing a smart lock using the DS28C36

Untitled-1

Remotely opening a smart lock.

Smart Lock

Embedded electronic authentication can help ensure that smart locks do their job.

[Sales Rep] FAE Technology Workshop: IO-Link Smart Sensors (PRE-WORK)_

This session was developed as pre-work for the 2016 Tech Workshop and is a simple introduction to IO-Link. Discussed are: what is IO-Link and why it is used.

[Sales Rep] IP3 Demystified

This session discusses the IP3, a common specification in RF circuitry and components. The term is defined, locations within an RF circuit where it is significant are identified, then IP3 is described in terms of transfer functions. Note – the audio has dropped out of several of the last slides.

[Sales Rep] Technical Training, Basic 2018: Pulse Oximetry_

Technical training course presenting an overview of Pulse Oximetry, PPG and their applications.

[Sales Rep] Technical Training, Basic 2019: NFC and RFID

"Technical Basic Training course presenting an overview of Near Field Communication and RFID and their applications. "

[Sales Rep] FAE Technology Workshop: hSensor Platform, Industrial & Healthcare BU

"Originally designed for Field Applications Engineers courses in this series are generally suitable for participants with a minimum level of technical knowledge, although some may require a more advanced technical background. Generally, as a result of completing this training an individual will gain a deeper and more technical understanding of the Maxim product and technology covered, enabling more effective customer interactions and engagements. This is a recorded workshop from the “FAE Technology Workshop” held on March 7-10, 2016, at the Maxim SJHQ location. Here’s the trainer’s description: Hand's on session to evaluate the hSensor platform. The issuing BU is: Industrial & Healthcare. For content related questions, contact the trainer: John DiCristina. NOTE: If you attend the FAE Technology workshop in EMEA or APAC, this topic may be covered during the live training."

[Sales Rep] Technical Training - Basic Curriculum 2019 (Part 2)

This curriculum contains six courses: DAC Specifications, Frequency Synthesizers, ESD, Power Protection, NFC/RFID, Signal Chain Offset and Gain Errors

[Sales Rep] FAE Technology Workshop: Medical Terminology, Regulatory and Standards, Industrial & Healthcare BU

"Originally designed for Field Applications Engineers courses in this series are generally suitable for participants with a minimum level of technical knowledge, although some may require a more advanced technical background. Generally, as a result of completing this training an individual will gain a deeper and more technical understanding of the Maxim product and technology covered, enabling more effective customer interactions and engagements. This is a recorded workshop from the “FAE Technology Workshop” held on March 7-10, 2016, at the Maxim SJHQ location. Here’s the trainer’s description: Understand the commonly used medical terminology and regulations guiding our customer design cycles. The issuing BU is: Industrial & Healthcare. For content related questions, contact the trainer: Larry Skrenes. NOTE: If you attend the FAE Technology workshop in EMEA or APAC, this topic may be covered during the live training."

[Sales Rep] Analog Output Branch Training

This presentation is focused on industrial analog output devices and intended for distributors. Covered are: Where analog outputs are used and their applications, design approaches, solutions from competitors and reference designs/tools available.

[Sales Rep] Maxim Experts Program, Advanced Course: Secure Authentication (2)

Maxim Experts Program course presenting an overview of security authentication based on SHA-256 as well as ECDSA and their applications.

[Sales Rep] FAE Technology Workshop: Temperature Measurement (PRE-WORK)

Please pre-load this software before taking the FAE Technology Workshop: Temperature Measurement course.

[Sales Rep] 4-Channel Analog Output Campaign Training

Overview of the devices and support tools available in support of the 4-Channel Analog Output Campaign

[Sales Rep] 4-Channel Analog Output - Design Accelerator Kit (Mandarin)

This presentation focuses on the Analog Output Design Accelerator kit. Explains what an analog output is, where it is used and options available for designing an analog output module. Finally, it is shown how Maxim’s Design Accelerator kit makes it easy to demonstrate and evaluate Maxim’s solution.

[Sales Rep] Maxim Masters, Tokyo 2017: Presentations for courses S - Z.

This material contains PDF versions of the presentations from Maxim Masters, Tokyo 2017. Presentations for courses from S-Z. It also contains any installation files needed for each course. Ensure pop-up blockers are off to allow zip file to download.

[Sales Rep] RF Solutions Update - Sept 23 2016

Product update from the RF Solutions BU. Review of the business organization and broad product categories. The focus of this update is (1) Linearizers, (2) Macro Cell, (3) Multi-Market RF (MMRF) and (4) RF Amplifiers. Key markets for each of these product types are described. Products covered include: LNA, Power Detector, PLL/VCO, Synthesizer, PLL, Gain Block, VGA, Mixers, RF Linearizer, GNSS and Tuner.

[Sales Rep] LED Drivers Update

Product update on LED driver devices. Includes an explanation of LED driver functionality and operation, and target markets. Emphasis is on MR16 and PoE lighting applications..

[Sales Rep] FAE Technology Workshop: 4-Pair Power Over Ethernet, Cloud & Data BU

"Originally designed for Field Applications Engineers courses in this series are generally suitable for participants with a minimum level of technical knowledge, although some may require a more advanced technical background. Generally, as a result of completing this training an individual will gain a deeper and more technical understanding of the Maxim product and technology covered, enabling more effective customer interactions and engagements. This is a recorded workshop from the “FAE Technology Workshop” held on March 7-10, 2016, at the Maxim SJHQ location. Here’s the trainer’s description: An advanced look into the 4PPoE technologies to serve the emerging market for higher power via POE. The issuing BU is: Communication. For content related questions, contact the trainer: Gaoling Zou. NOTE: If you attend the FAE Technology workshop in EMEA or APAC, this topic may be covered during the live training."