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Power ICs simplify the design of power supply and power management circuits by integrating key circuit functions into a single chip, resulting in higher reliability with significant savings in power consumption, board space and cost. We are a leading supplier of power integrated circuits for power conversion and battery management applications. We offer a wide range of power conversion circuits and controller ICs. Our battery management products provide market leading fuel gauging, charging and monitoring functions. Our power products support a wide variety of applications, including the industrial, communications, automotive, data center, consumer and healthcare markets.

Battery Management

Battery management solutions are the brains behind any battery solution. Combined with fuel gaug...

Switching Regulator - Switching Regulators

Maxim Integrated's Switching Regulators offer step-up, step-down configuration and wide ranging ...

Power Management ICs

PMIC or Power Management IC's integrate multiple power rails and power management functions in a...

Isolated Power

Protect and isolate your electronic equipment operators from exposure to high voltates with Isol...

Charge Pumps

Are you looking for the latest Charge Pumps or Voltage Doubler's? Maxim Integrated regulated cha...

Linear Regulators (LDOs)

LDO regulators provide voltage regulation with minimum voltage differential between input and ou...

LED Driver - LED Driver ICs

Find the right LED Driver's and LED Driver ICs from Maxim Integrated portfolio of LED Driver pro...

Motor Driver ICs

DC motor driver ICs provide the simplest and most flexible solution available for driving brushe...

Display Power Control

Combine analog processing and logic with power circuitry displays for LCDs, dot matrix, and segm...

Power Over Ethernet

Power over Ethernet, POE, 802.3af/at-compliant products for powered devices and power sourcing e...

MOSFET Drivers and Controllers

MOSFET driver ICs are used to drive external MOSFETs in power supply and motor driver applicatio...

Power Modules

Maxim Integrated's Power Modules integrate most of the components needed for a power supply into...

Featured Technical Documents

Technical Documentation

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Technical Documents

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Featured Videos


How to Achieve a Noninverting Output with a 4-Switch Buck-Boost Converter
3:22 July 22, 2020


How to Regulate Inrush Currents in DC-DC Converters Using Soft-Start
4:07 June 10, 2020


How to Select and Configure a Battery Fuel Gauge for Your Portable System
5:21 March 14, 2019


How to Calculate the Quiescent Current of the MAX17222 nanoPower Boost Converter
04:22 February 19, 2019


How to Optimize the Efficiency Performance of a Flyback Converter Using the MAX17606
3:00 December 12, 2019


Overview of Power Supply for Different Markets
19:20 September 18, 2018


EE-Sim Sharing Designs
3:39 January 05, 2017


Isolated Power-Supply Reference Designs Accelerate Prototyping
7:39 December 13, 2016

Featured Blogs

Latest Blogs

On the Go Vital Monitoring and Gaming Platform

January 13, 2021

This blog explores an application using a low power SIMO PMIC, the world’s smallest solution size and highest system efficiency, and the story behind it.

Get More System Power Protection for Less

September 01, 2020

Understand the challenges of protecting the electronic load and the advantages of a high-performance, highly integrated system power protection solution.

Power Up Internal Circuits While Simplifying Diagnostics for Signal Monitoring Applications

August 13, 2020

Learn how a digital isolator provides industrial system monitoring without an external isolated power supply.

Buck vs. Boost Converters: How Do They Compare

August 11, 2020

Understand the fundamental difference between buck and boost converters by reading this blog post.

Wearable Flags Health Changes in Seniors Via Biosensors and Predictive Analytics

July 30, 2020

Learn how CarePredict is giving seniors and their loved ones peace of mind with its wearable health-monitoring solution, designed with Maxim Integrated ICs.

How to Get 20% More Battery Life for Your Wearables and IoT Designs

July 16, 2020

Learn how single-inductor, multiple-output (SIMO) PMICs extend battery life for wearable technology and other small, low-power IoT designs.

Understand the Multiphase Buck Voltage Regulator Advantage

May 26, 2020

Get a deeper understanding of how multiphase buck voltage regulators deliver the power efficiency in small solution sizes required by a variety of electronic designs.

how a small schottky diode minimizes noise in synchronous converters

May 20, 2020

Understand how a small Schottky diode can minimize noise in synchronous converters—a key consideration when designing switching supplies.

How Capacitors Provide a Window into the Real Value of a Battery

May 05, 2020

Maxim Integrated’s resident power evangelist explains how charge redistribution in networked capacitors offers a clue into how batteries will behave in portable devices.

How NCATEST Raised Performance and Lowered Power of Its Automated Test Equipment

April 15, 2020

NCATEST decreased the design cycle, power consumption, and size for a new automated test equipment solution using Maxim Integrated's pin electronics.

Featured Products

MAX20057 36V Boost Controller with Two Synchronous Buck Converters (3.5A/2A) for Automotive Applications

The MAX20057 is an automotive highly integrated triple-output PMIC. It includes two synchronous ...
  • Meets Stringent OEM Module Power Consumption and Performance Specifications
    • 10µA Supply Current with 5V Buck On
    • 8µA Supply Current with 3.3V Buck On
    • 30µA Supply Current with All Regulators On
  • Enables Crank-Ready Designs
    • Output Voltages in Regulation Through Cold CrankDown to 2V Battery Voltage
    • Wide Input-Supply Range from 3.5V to 36V
    • EMI Reduction Features Reduce Interference with Sensitive Radio Bands without Sacrificing Wide Input-Voltage Range
    • 20ns (typ) Minimum On-Time Guarantees Skip-Free Operation for 3.3V Output at 2.1MHz
    • Spread-Spectrum Option
    • Phase-Locked Loop (PLL) Frequency Synchronization
  • Integration and Thermally Enhanced Packages Save Board Space and Cost
    • Two 2.1MHz Buck Converters with Asynchronous Boost Controller
    • Current-Mode Controller with Forced Fixed-Frequency and Skip Modes
    • Thermally Enhanced 5mm x 5mm, 28-Pin TQFN-EP Package
  • Protection Features Improve System Reliability
    • Supply Undervoltage Lockout
    • Overtemperature and Short-Circuit Protection

MAX17227J 400mV to 5.5V Input, 500mA nanoPower Boost Converter with Short-Circuit Protection and Automatic Pass-Through Mode

The MAX17227J is a nanoPower boost converter capable of delivering a load up to 500mA peak induc...
  • 350nA Quiescent Supply Current
  • Output Short-Circuit Protection
  • Automatic Pass-Through Mode
    • Overcurrent and Overtemperature Protected
  • 95% Peak Efficiency, 89% or Higher at 500μA
  • Typical 300mA Output Current at 5.0V (VIN > 3.6V)
  • 400mV to 5.5V Input Voltage Range
  • 880mV Minimum Startup Voltage
  • Single Resistor-Adjustable Output Voltage
    • 2.3V to 5.2V Output Voltage Range with 100mV Steps
    • 5.4V Output Voltage Setting Available
  • 500mA Peak Inductor Current Limit
  • Active Discharge Feature
  • Thermal Shutdown Protection
  • Multiple Package Options:
    • 1.58mm x 0.89mm, 0.4mm Pitch, 6-Bump (3 x 2) WLP
    • 2mm x 2mm, 8-Pin TDFN
  • -40°C to +125°C Operating Temperature Range

MAX20419 High-Efficiency, 3-Output, Low-Voltage DC-DC Converter

The MAX20419 is a high-efficiency, 3-output, low-voltage DC-DC converter IC. OUT1 boosts the inp...
  • Multiple Functions for Small Size
    • Synchronous 750mA Boost Converter
    • Fixed at 5V Output
    • Dual Synchronous Buck Converters Up to 3.6A
      • Factory-Configurable from 0.8V to 3.8V in 25mV Steps
    • Programmable Windowed Watchdog
    • 3.0V to 5.5V Operating Supply Voltage
    • 2.2MHz Operation
    • Individual Active-Low RESET_ Outputs
    • High-Precision Performance
      • ±1.9% Output-Voltage Accuracy (OUT1) and
      • ±1.4% Output-Voltage Accuracy (OUT2, OUT3)
      • ±1.3% OV/UV Monitoring (OUT1–OUT3, PV)
    • Excellent Load-Transient Performance
  • Diagnostics and Redundant Circuits
    • ASIL-C Compliant
    • Redundant Reference
    • Fail Safe on Open Pins
    • Shorted Pin Detection Active Low-RESET1–RESET3
    • Input Overvoltage Detection
  • Robust for the Automotive Environment
    • Current Mode, Forced-PWM and Skip Operation
    • Overtemperature and Short-Circuit Protection
    • 24-Pin (4mm x 4mm) TQFN with Exposed Pad
    • -40 °C to +125 °C Automotive Temperature Range

MAX25232 36V, 3A Mini Buck Converter with 3.5uA IQ

The MAX25232 is a small, synchronous buck converter with integrated high-side and low-side switc...
  • Synchronous DC-DC Converter with Integrated FETs
    • MAX25232ATCA/VY+/B = 2.5A IOUT
    • MAX25232ATCD/VY+/E = 3A IOUT
    • 3.5µA Quiescent Current when in Standby Mode
  • Small Solution Size Saves Space
    • 65ns Minimum On-Time
    • 2.1MHz or 400kHz Operating Frequency
    • Fixed 5V/3.3V Output Voltages with ±2% Output Accuracy in FPWM Mode (5V/3.3V)
    • Other Fixed VOUT Options Between 3V - 5.5V (in 50mV steps) Available for Precise Output Voltage Setting
    • External Resistor Divider Options to Adjust the Output Voltage Between 3V and 10V
    • Fixed 3.5ms Internal Soft-Start
    • Innovative Current-Mode-Control Architecture Minimizes Total Board Space and BOM Count
  • PGOOD Output and High-Voltage EN Input Simplify Power Sequencing
  • Protection Features and Operating Range Ideal for Automotive Applications
    • 3.5V to 36V Operating VIN Range
    • 40V Load-Dump Protection
    • 99% Duty-Cycle Operation with Low Dropout
    • -40°C to +125°C Automotive Temperature Range
    • AEC-Q100 Qualified

MAX77643 Ultra Configurable PMIC Featuring 93% Peak Efficiency Single-Inductor, 3-Output Buck-Boost, 1-LDO for Long Battery Life

The MAX77642/MAX77643 provide power supply solutions for low-power applications where size and e...
  • Highly Integrated
    • 3x Output, Single-Inductor Multiple-Output (SIMO) Buck-Boost Regulator
      • Supports Wide Output Voltage Range from 0.5V to 5.5V for all SIMO Channels
    • 1x 150mA LDO
      • 100mA in LSW mode
    • 2x GPIOs (MAX77643)
    • Watchdog Timer (MAX77643)
  • Ultra Low-Power SIMO​
    • 5μA Operating Current (3x SIMO Channels + 1x LDOs)
    • 1μA Operating Current per SIMO Channel
    • 0.3μA Shutdown Current
    • 93% Peak Efficiency in Boost-Only Mode
    • 91% Peak Efficiency in Buck-Only Mode
    • Less Than 20mVpp Output Ripple at VOUT = 1.8V
    • Automatic Low-Power Mode to Normal-Power Mode Transition
  • Flexible and Configurable
    • Ultra-Configurable Resistor Programmable Output Voltages (MAX77642)
    • I2C-Programmable Output Voltages (MAX77643)
  • Small Size
    • 4.24mm2 Wafer-Level Package (WLP)
    • 25-Bump, 0.4mm Pitch, 5 x 5 Array

MAX25606 6-Switch Matrix Manager for Automotive Lighting

The MAX25606 6-switch matrix manager IC for automotive lighting applications includes a 6-switch...
  • Automotive Ready: AEC-Q100 Qualified
  • Six-Switch Matrix Manager Allows for Flexible Configuration
    • Single and Dual-String Configurations
    • Up to 6 Switches in Series for Single String
    • Up to 3 Switches in Series in Dual-String
    • Up to 3 LEDs per Switch
  • Robust Serial Interface
    • Multidrop UART Communication Interface
    • Up to 64 Addressable Devices
    • Compatible with CAN Physical Layer
  • Optimal PWM Dimming Arrangement Provides Excellent Dimming Performance
    • Programmable 12-Bit PWM Dimming
    • Fade Transition Between PWM Dimming States
    • Internal Clock Generator or External Clock for PWM Dimming
  • EMI Mitigation
    • Programmable Slew Rate for EMI Control
    • Integrated Spread Spectrum Frequency Dithering
  • Protection Features and Package Improve Reliability
    • Open-LED Protection
    • Programmable Open and Short-LED Threshold
    • Open and Shorted-LED Fault Reporting
    • Open Trace Fault Reporting
    • Thermally Enhanced 20-Pin Side Wettable TQFN and 20-Pin TSSOP with Exposed Pad
MAX77757 3.15A USB Type-C Autonomous Charger with JEITA for 1-Cell Li-ion/LiFePO4 Batteries

MAX77757 3.15A USB Type-C Autonomous Charger with JEITA for 1-Cell Li-ion/LiFePO4 Batteries

The MAX77757 is a standalone 3.15A charger with integrated USB Type-C®CC detection with JEITA co...
  • Up to 16V Protection
  • 13.7V Maximum Input Operating Voltage
  • 3.15A Maximum Charging Current
  • 6A Discharge Current Protection
    • No Firmware or Communication Required
    • Integrated CC Detection for USB Type-C
    • Integrated BC1.2 Detection for Legacy SDP, DCP, CDP, and DCD Timeout
    • Integrated USB Detection for Common Proprietary Charger Types
    • Automatic Input Current Limit Configuration
    • Input Voltage Regulation with Adaptive Input Current Limit (AICL)
  • Reverse Boost Capability up to 5.1V, 1.5A
  • Termination Voltage
    • 4.1V to 4.5V for Li-ion and Li-poly Batteries
    • 3.6V/3.7V for LiFePO4 Battery
  • Safety
    • Charge Safety Timer
    • JEITA Compliance with NTC Thermistor (MAX77757J)
    • HOT/COLD Stop Charging with NTC Thermistor (MAX77757H)
    • Thermal Shutdown
  • Pin Control of All Functions
    • Resistor Configurable Fast-Charge Current
    • ENBST Pin to Enable and Disable Reverse Boost
    • STAT Pin to Indicate Charging Status
    • INOKB Pin to Indicate Input Power-OK
    • THM Pin to Disable Charge
  • Integrated Power Path
  • Integrated Battery True-Disconnect FET
  • 3mm x 3mm, 24-Lead FC2QFN Package

MAX16602 VR13.HC and AI Cores Dual-Output Voltage Regulator Chipset

The MAX16602 IC provides a high-density, flexible and scalable solution to power AI cores or Int...
  • High Power Density and Efficiency
    • Smart Power-Stage Support: MAX20778/A, MAX20779/A/B/C, MAX20780, MAX20790, MAX16604
    • Top-Tier Efficiency (95.6% Peak Efficiency at 1.8VOUT)
    • Integrated Input Power Monitor
  • Telemetry Through PMBus
    • Digitally Programmable Configuration
    • Input Voltage, Current, and Power Monitoring
    • Power-Stage Temperature Monitoring and Reporting
  • Advanced Power Management
    • Autonomous Phase-Shedding
    • Orthogonal Current Rebalance for Phase-Current Balance During Transients
    • Low-Quiescent Current—Improves Light-Load and Standby Efficiency
  • Protection Features
    • Input and Bias Supply Undervoltage Protection
    • Overcurrent Protection
    • Critical Fault-Flag Output Pin

MAX20790 Smart Power-Stage IC with Integrated Current and Temperature Sensors

The MAX20790 is a feature-rich smart power-stage IC designed to work with Maxim’s controllers to...
  • Space-Optimized Solution
    • Monolithic, Smart Power Stage
    • Phase-Current Steering for Thermal Balance
    • Small Footprint: ~24mm2
  • 95.6% Peak Efficiency
    • 6-phase, 400kHz, 12V VIN, 1.8V VOUT
  • 300kHz to 1.3MHz Switching Frequency
  • Telemetry and Fault Reporting through Controller IC PMBus
    • Accurate Temperature Monitoring and Reporting
    • Accurate Per-Phase Current Reporting
    • Fault_ID Indicates Type of Fault
  • Advanced Self-Protection Features
    • Supply and Boost UVLO Protection
    • Boost Refresh
    • VX Short and Overtemperature Shutdown
    • Fast Overcurrent Protection

MAX77301A JEITA-Compliant, Li+ Charger with Smart Power Selector, Automatic Detection, and USB Enumeration

The MAX77301 is a JEITA-compliant* lithium-ion linear battery charger that operates from a USB p...
  • Enables Charging from a USB Port
  • Automatic Detection of Adapter Type
  • Input Current Up to 1500mA and Charging Current Up to 900mA
  • Enumeration Without Processor Intervention
  • Supports USB Low-Speed and Full-Speed
  • Compliant with USB 2.0 Specification and Battery Charging Specification (Revision 1.1)
  • Compliant with Next Generation Low-Voltage Li-Ion Battery Profiles
  • Input Overvoltage Protection Up to 16V
  • Smart Power Selector Allows Power Path Operation with Discharged or No Battery
  • Battery Detection Including Packs with Open Protectors
  • Thermal Regulation Prevents Overheating
  • LED Indicator for Charge Done, Precharge, and Time/Temperature Error
  • Serial (400kHz) I²C-Compatible Interface
  • 6µA (typ) Shutdown Current
  • 2.44mm x 2.44mm, 25-Bump WLP Package

MAX25221B Automotive 4-Channel TFT-LCD Power Supply with VCOM Buffer

The MAX25220/MAX25221/MAX25221B are a 4-channel TFT-LCD power IC that provides symmetrical posit...
  • High Integration
    • Synchronous Boost Provides AVDD of 4.2V to 10.5V at up to 200mA
    • NAVDD Inverter Output at up to -200mA
    • 15mA VGON Output (7.6V to 20.2V) from 3x Regulated Charge Pump
    • VGOFF (-18.2V to -5.6V) from Regulated Charge Pump at up to -15mA (charge-pump doubler)/li>
    • Controlled Sequencing during Power-On and Power-Off of All Rails
    • VCOM Output Range +1V to -2.49V in 6.83mV Steps (MAX25221)
    • NTC Input for Temperature Measurement/Compensation (MAX25221)
  • Low EMI
    • 420kHz/2.1MHz Switching Frequency with Spread Spectrum
  • I2C Control/Diagnostic Interface with FLTB (Interrupt) Output
    • UV diagnostics on All Outputs
  • Versatile
    • Non-Volatile Output Voltage Settings on AVDD/NAVDD, VGON, VGOFF, VCOM, and Sequencing
    • Supports Stand-Alone Operation Mode after Programming
    • Compact 5mm x 5mm TQFN32 Package
  • ​AECQ100 Grade 1

MAX20411 Automotive High-Efficiency Single 16A/22A/ 30A/40A Step-Down Converter Family

The MAX20411 is a family of high-efficiency, synchronous step-down converters that operate with ...
  • High-Efficiency DC-DC Converter
  • Up to 40A Peak Output Current:
    • MAX20411A: 16A
    • MAX20411B: 22A
    • MAX20411C: 30A
    • MAX20411D: 40A
  • Differential Remote Voltage Sensing
  • 3.0V to 5.5V Operating Supply Voltage
  • I²C Controlled Output Voltage:
    • 0.5V to 1.275V in 6.25mV Steps
  • Excellent Load Transient Performance
  • Advanced Programmable Compensation
    • MAXQ™ Power Architecture
    • Hybrid Load Line and Integrator Options
  • 2.1MHz or 1.05MHz Operation
  • As Low as ±0.75% Output Voltage Accuracy
  • RESET-bar Output
  • Current Mode, Forced PWM Operation
  • ASIL D Compliant:
    • Redundant Reference
    • BIST Diagnostics
    • PEC on I²C
    • Programmable OV/UV with ±1% Accuracy
  • Overtemperature and Short-Circuit Protection
  • 3.5mm x 5mm 21-Pin Side-Wettable FC2QFN
  • -40°C to +125°C Grade 1 Automotive Temperature Range

MAX635 Preset/Adjustable Output CMOS Inverting Switching Regulators

The MAX635/MAX636/MAX637 inverting switching regulators are designed for minimum component DC-DC...
  • Preset -5V, -12V, -15V Output Voltages
  • Adjustable Output with 2 Resistors
  • 85% Typ Efficiency
  • Only 3 External Components
  • 80µA Typ Operating Current
  • Low Battery Detector

MAX25512 Automotive 4-Channel Low-Voltage 120mA LED Backlight Driver with Integrated Boost Converter

The MAX25512 is a four-channel white LED backlight driver with an integrated current-mode boost ...
  • Operates Down to 3V on Battery Input After Startup 
    • Wide Boost Duty Cycle to Support Low Input Voltage
  • Boost or SEPIC Current-Mode DC/DC Controller
    • 400kHz to 2.2MHz Operating Frequency Range
    • Spread Spectrum Available
    • Ability to Synchronize to an External Clock
  • LED Current Sinks
    • Up to 120mA Output Current per String
    • Low OUT_ Regulation Voltage for Best Efficiency
    • Optional Phase-Shifting of Outputs
  • I2C Control for Enhanced Flexibility
  • 16667:1 Dimming Ratio at 200Hz
  • NTC Input For LED Current Foldback at High Temperature
  • Hybrid Dimming Capable
  • Built-in Programmable Automatic Fading Functionality
  • Detailed Diagnostic using I2C and FLTB Output
    • Shorted or Open LEDs
    • Thermal Shutdown
    • Output Undervoltage
  • Compact 4x4mm TQFN Package
  • AECQ100 Grade 1

MAX17580 4.5V to 60V, 300mA High-Efficiency, Synchronous, Inverting Output DC-DC Converters

The Himalaya series of voltage regulator ICs, power modules, and chargers enable cooler, smaller...
  • Reduces External Components and Total Cost
    • Synchronous Operation
    • All-Ceramic Capacitors, Compact Layout
    • Internal Loop Compensation
    • System Ground Referenced I/O Pins (EN/UVLO,  active-low RESET
  • Flexibility to Support Multiple Rails in a System
    • Adjustable Output Voltage Range from -0.9V to -36V
    • Wide 4.5V to (60V-|VOUT|) Input-Voltage Range
    • Up to 300mA Output Current
    • 400kHz to 2.2MHz Adjustable Frequency with External Clock Synchronization
  • Reduces Power Dissipation
    • 88.4% Peak Efficiency
    • DCM for Superior Light-Load Efficiency
    • 6.2μA Shutdown Current
  • Operates Reliably in Adverse Industrial Environments
    • Hiccup-Mode Overload Protection
    • Adjustable Soft-Start 
    • Monotonic Startup with Prebiased Output Voltage
    • Built-in Output Voltage Monitoring with Active-Low RESET
    • Programmable EN/UVLO Threshold
    • Overtemperature Protection
    • Wide -40°C to +125°C Ambient Operating Temperature Range / -40°C to +150°C Junction Temperature Range

MAX17579 4.5V to 60V, 300mA High-Efficiency, Synchronous, Inverting Output DC-DC Converters

The Himalaya series of voltage regulator ICs, power modules, and chargers enable cooler, smaller...
  • Reduces External Components and Total Cost
    • Synchronous Operation
    • All-Ceramic Capacitors, Compact Layout
    • Internal Loop Compensation
    • System Ground Referenced I/O Pins (EN/UVLO,  active-low RESET
  • Flexibility to Support Multiple Rails in a System
    • Adjustable Output Voltage Range from -0.9V to -36V
    • Wide 4.5V to (60V-|VOUT|) Input-Voltage Range
    • Up to 300mA Output Current
    • 400kHz to 2.2MHz Adjustable Frequency with External Clock Synchronization
  • Reduces Power Dissipation
    • 88.4% Peak Efficiency
    • DCM for Superior Light-Load Efficiency
    • 6.2μA Shutdown Current
  • Operates Reliably in Adverse Industrial Environments
    • Hiccup-Mode Overload Protection
    • Adjustable Soft-Start 
    • Monotonic Startup with Prebiased Output Voltage
    • Built-in Output Voltage Monitoring with Active-Low RESET
    • Programmable EN/UVLO Threshold
    • Overtemperature Protection
    • Wide -40°C to +125°C Ambient Operating Temperature Range / -40°C to +150°C Junction Temperature Range

MAX17693B 4.2V–60V No-Opto Isolated Flyback Converter with Integrated FET

Maxim's Rainier family of isolated power devices enable cooler, smaller, and simpler power-suppl...
  • Reduces External Components and Total Cost
    • Eliminates the Optocoupler and Secondary-Side Error Amplifier
    • Up to 20% Space Savings
    • 76V, Low RDSON Integrated nMOSFET
    • Internal Loop Compensation (MAX17693A)
    • Built-In Soft-Start  
  • Reduces Power Dissipation
    • Delivers up to 1.4W Output Power
    • Frequency Fold-Back Enables Enhanced Light-Load Efficiency
    • 2.5µA Shutdown Current 
  • Supports Key System-Level Design Requirements
    • Frequency Dithering Supports Low-EMI, Spread-Spectrum Operation
    • Switching Frequency Synchronization to External Clock
  • Operates Reliably in Adverse Environments
    • Output Diode Forward Voltage Temperature Compensation
    • Hiccup Current-Limit Protection
    • Programmable EN/UVLO Threshold
    • Input Overvoltage (OVI) Protection (MAX17693A)
    • Overtemperature Protection
    • High Industrial -40°C to +125°C Ambient Operating Temperature Range/ -40°C to +150°C Junction Temperature Range

MAX17693A 4.2V–60V No-Opto Isolated Flyback Converter with Integrated FET

Maxim's Rainier family of isolated power devices enable cooler, smaller, and simpler power-suppl...
  • Reduces External Components and Total Cost
    • Eliminates the Optocoupler and Secondary-Side Error Amplifier
    • Up to 20% Space Savings
    • 76V, Low RDSON Integrated nMOSFET
    • Internal Loop Compensation (MAX17693A)
    • Built-In Soft-Start  
  • Reduces Power Dissipation
    • Delivers up to 1.4W Output Power
    • Frequency Fold-Back Enables Enhanced Light-Load Efficiency
    • 2.5µA Shutdown Current 
  • Supports Key System-Level Design Requirements
    • Frequency Dithering Supports Low-EMI, Spread-Spectrum Operation
    • Switching Frequency Synchronization to External Clock
  • Operates Reliably in Adverse Environments
    • Output Diode Forward Voltage Temperature Compensation
    • Hiccup Current-Limit Protection
    • Programmable EN/UVLO Threshold
    • Input Overvoltage (OVI) Protection (MAX17693A)
    • Overtemperature Protection
    • High Industrial -40°C to +125°C Ambient Operating Temperature Range/ -40°C to +150°C Junction Temperature Range

MAX17703 4.5V to 60V, Synchronous Step-Down Li-Ion Battery Charger Controller

The Himalaya series of voltage regulator ICs, power modules, and chargers enable cooler, smaller...
  • Optimized Feature-Set for Li-Ion Batteries Including Li-Polymer, LiFePO4 and Li-Titanate
    • ±4% Charging Current Regulation Accuracy
    • ±6% Charging Current Monitor Accuracy (ISMON) ,
    • ±1% Voltage Regulation Accuracy
    • Programmable Constant Current (CC) Mode Charging Current (ILIM)
    • Charge Termination on Full Battery Detection with Taper Current Threshold and Taper Timer
    • Wide 4.5V to 60V Input-Voltage Range
    • Adjustable Output-Voltage Range from 1.25V up to (VDCIN - 2.1V)
    • 125kHz to 2.2MHz Adjustable Frequency with External Clock Synchronization (RT/SYNC)
  • Reliable Operation in Adverse Environmental Conditions
    • Input Short-Circuit Protection (GATEN)
    • Safety Timer Feature (TMR)
    • Deeply Discharged Battery Detection and Preconditioning (DDTH)
    • Battery Temperature Sensing and Charge when Within Temperature of Range (TEMP)
    • Cycle-by-Cycle Overcurrent Limit
    • Programmable EN/UVLO Threshold
    • Status Output Monitoring Using Open-Drain Outputs (FLG1 and FLG2)
    • Overtemperature Protection
    • Complies with CISPR 32 (EN55032) Class B Conducted and Radiated Emissions
    • Wide -40°C to +125°C Ambient Operating Temperature Range/ -40°C to +150°C Junction Temperature Range

MAX38889 2.5V–5.5V, 3A Reversible Buck/Boost Regulator for Backup Power Applications

  • 2.5V to 5.5V System Output Voltage Range
  • 0.5V to 5.5V Supercapacitor Voltage Range
  • ±1% Threshold Accuracy
  • 2.5% Hysteresis between Backup and Charging
  • 1A to 3A Peak Inductor Current Limit
    • Peak Inductor Current Is Pin-Programmable over 1A to 3A through External Resistor
  • 94% Peak Efficiency, Charging or Discharging Mode
  • 4µA Quiescent Current in Ready State
    • After Supercapacitor Is Charged, Draws only 4µA of Quiescent Current
  • Ready and Backup State Outputs
    • RDY and BKB Flags Provide Real-Time Status to System
  • 3mm x 3mm, 16-Pin TQFN Package

Featured Boards

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MAX20323EVKIT

Evaluates the USB Type-C CC-pin overvoltage protection device.
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MAX77958EVKIT-2S3

Evaluates the standalone USB Type-C CC detection and USB power delivery controller.
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MAX77962EVKIT-12

Evaluates the 3.2A USB Type-C buck-boost charger for 2S Li-ion batteries.
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MAXM17532EVKIT

Integrated power solution providing 5V from a wide input range of 10V to 42V with up to 100mA of...
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MAXM15462EVKIT

Integrated power solution providing 3.3V from a wide input range of 4.5V to 42V with up to 300mA...
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MAXREFDES121

Isolated, industrial power-supply reference design with an efficient active-clamp topology desig...
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MAXREFDES119

Compact 24V input module with secondary-side synchronous MOSFET driver that features 5V at 1.8A ...
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MAXREFDES120

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