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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...
Battery Chargers Battery Fuel Gauges Battery Monitors Protectors Selectors Battery Identification Authentication USB-C
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Switching Regulator - Switching Regulators

Maxim Integrated's Switching Regulators offer step-up, step-down configuration and wide ranging ...
Step Down Step-Up (Boost) Step-Down/Up (Buck-Boost) Inverting Digital Power Power Modules
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Power Management ICs

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

Protect and isolate your electronic equipment operators from exposure to high voltates with Isol...
DC-DC Isolated Power Supply AC-DC Isolated Power Supply
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Charge Pumps

Are you looking for the latest Charge Pumps or Voltage Doubler's? Maxim Integrated regulated cha...
Regulated Charge Pumps Charge Pump Inverters Charge-Pump Voltage Doublers All Charge Pump ICs
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Linear Regulators (LDOs)

LDO regulators provide voltage regulation with minimum voltage differential between input and ou...
LDOs with Reset Circuits High Voltage LDOs Negative LDOs
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LED Driver - LED Driver ICs

Find the right LED Driver's and LED Driver ICs from Maxim Integrated portfolio of LED Driver pro...
General Lighting Automotive Lighting Display Backlighting Projection Camera Flash
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Motor Driver ICs

DC motor driver ICs provide the simplest and most flexible solution available for driving brushe...
Find Products
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Power Protection and Control

Power protection and control ICs protect downstream circuitry from harmful voltage fluctuations....
System Power Protection Hot-Swap ICs Overvoltage/Overcurrent Protectors with Internal MOSFETS Overvoltage Protection Controllers Current Limit Switches USB Power Switches Relay Drivers Power-Plane/CardBus Switches
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Display Power Control

Combine analog processing and logic with power circuitry displays for LCDs, dot matrix, and segm...
LED Display Controllers LCD Display Controllers
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Voltage Supervisors

Maxim Integrated power sequencers, voltage supervisors and power supply sequencing monitor suppl...
Regulators with Integrated Reset Voltage Detectors and Battery Monitors Pushbutton Debouncers and On/Off Controllers Battery-Backup ICs Multivoltage Monitors Reset IC/Power-On Reset Sequencers and Voltage Trackers Watchdog Timers
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Power Over Ethernet

Power over Ethernet, POE, 802.3af/at-compliant products for powered devices and power sourcing e...
Power Sourcing Equipment (8) Powered Devices (32)
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MOSFET Drivers and Controllers

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

Maxim Integrated's Power Modules integrate most of the components needed for a power supply into...
Himalaya Power Modules Himalaya Power Modules Compliant to CISPR 22 uSLIC Power Modules
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Also see:
Power Reference Designs

Featured Technical Documents

Technical Documents Choose the Right Regulator for the Job: Part 1, Regulator Control Schemes

Technical Documents Mobile Power Selector Guide

Technical Documents PoE and LED Lighting: the Perfect Match

Technical Documents Overview of USB Battery Charging Revision 1.2 and the Important Role of Charger Detectors

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

Blogs One Smart Design: Low IQ Boost Converter

Blogs Get Longer Battery Life By Lowering Quiescent Current

Blogs Say “No More” to Tedious Calculations for E Series Values

Blogs Battery Fuel Gauge ICs Do More: Monitor Cells, Assess Results, Judge Trends, Implement High-End Security

Blogs CES 2020: The Power Behind Robotics

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

Latest Blogs

Keep the Lights On When Someone is Home

August 14, 2021

This blog discusses power outages and Maxim’s new solution for power backup in battery and line powered systems

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.

Featured Products

MAX20406 Automotive, 36V, 4A/5A/6A Fully Integrated Synchronous Buck Converter

The MAX20404/MAX20405/MAX20406 ICs are tiny synchronous buck converters with integrated high-sid...
  • Multiple Functions for Small Size
    • Operating VIN Range of 3V to 36V
    • 10µA Quiescent Current in Skip Mode
    • Synchronous DC-DC Converter with Integrated FETs
    • 400kHz, 2.1MHz, and 3MHz Fixed Frequency Options
    • Fixed 2.5ms Internal Soft-Start
    • Programmable 0.8V to 10V Output, or 3.3V and 5.0V Fixed-Output Options Available
    • 3.5mm x 3.75mm 17-Pin FC2QFN
    • Symmetrical package offers superior EMI performance
  • Dual-Phase Capablity
    • Can be used in Dual-Phase Configuration for High Power Design
    • Dynamic Current Sharing
    • Low Iq Operation Capability in Dual Phase
  • High Precision
    • ±1% Output-Voltage Accuracy in FPWM Mode at No Load
    • Precise Output Voltage Monitoring with PGOOD
  • Robust for the Automotive Environment
    • Forced-PWM and Skip Mode Operation
    • 99% Duty-Cycle Operation with Low Dropout
    • Overtemperature and Short-Circuit Protection
    • -40°C to +125°C Junction Operating Temperature Range
    • 42V Load-Dump Tolerant
    • AEC-Q100 Qualified
Printable Data Sheet Evaluation Kit
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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
NDA Required. Request Full Data Sheet Evaluation Kit
Learn More

MAX20011C Automotive Single 16A/12A Step-Down Converter

The MAX20011C/MAX20011D is a high-efficiency, synchronous step-down converter that operates with...
    • High-Efficiency DC-DC Converter
    • Up to 16A Peak Output Current
      • MAX20011C: 16A
      • MAX20011D: 12A
    • 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
    • Programmable Compensation
    • 2.2MHz or 1.1MHz Operation
    • ±1.5% Output Voltage Accuracy
    • RESET 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 4mm 17-Pin Side-Wettable FC2QFN
    • -40°C to +125°C Grade 1 Automotive Temperature Range
NDA Required. Request Full Data Sheet and Software Evaluation Kit
Learn More

MAX20404 Automotive, 36V, 4A/5A/6A Fully Integrated Synchronous Buck Converter

The MAX20404/MAX20405/MAX20406 ICs are tiny synchronous buck converters with integrated high-sid...
  • Multiple Functions for Small Size
    • Operating VIN Range of 3V to 36V
    • 10µA Quiescent Current in Skip Mode
    • Synchronous DC-DC Converter with Integrated FETs
    • 400kHz, 2.1MHz, and 3MHz Fixed Frequency Options
    • Fixed 2.5ms Internal Soft-Start
    • Programmable 0.8V to 10V Output, or 3.3V and 5.0V Fixed-Output Options Available
    • 3.5mm x 3.75mm 17-Pin FC2QFN
    • Symmetrical package offers superior EMI performance
  • Dual-Phase Capablity
    • Can be used in Dual-Phase Configuration for High Power Design
    • Dynamic Current Sharing
    • Low Iq Operation Capability in Dual Phase
  • High Precision
    • ±1% Output-Voltage Accuracy in FPWM Mode at No Load
    • Precise Output Voltage Monitoring with PGOOD
  • Robust for the Automotive Environment
    • Forced-PWM and Skip Mode Operation
    • 99% Duty-Cycle Operation with Low Dropout
    • Overtemperature and Short-Circuit Protection
    • -40°C to +125°C Junction Operating Temperature Range
    • 42V Load-Dump Tolerant
    • AEC-Q100 Qualified
Printable Data Sheet Evaluation Kit
Learn More

MAX20405 Automotive, 36V, 4A/5A/6A Fully Integrated Synchronous Buck Converter

The MAX20404/MAX20405/MAX20406 ICs are tiny synchronous buck converters with integrated high-sid...
  • Multiple Functions for Small Size
    • Operating VIN Range of 3V to 36V
    • 10µA Quiescent Current in Skip Mode
    • Synchronous DC-DC Converter with Integrated FETs
    • 400kHz, 2.1MHz, and 3MHz Fixed Frequency Options
    • Fixed 2.5ms Internal Soft-Start
    • Programmable 0.8V to 10V Output, or 3.3V and 5.0V Fixed-Output Options Available
    • 3.5mm x 3.75mm 17-Pin FC2QFN
    • Symmetrical package offers superior EMI performance
  • Dual-Phase Capablity
    • Can be used in Dual-Phase Configuration for High Power Design
    • Dynamic Current Sharing
    • Low Iq Operation Capability in Dual Phase
  • High Precision
    • ±1% Output-Voltage Accuracy in FPWM Mode at No Load
    • Precise Output Voltage Monitoring with PGOOD
  • Robust for the Automotive Environment
    • Forced-PWM and Skip Mode Operation
    • 99% Duty-Cycle Operation with Low Dropout
    • Overtemperature and Short-Circuit Protection
    • -40°C to +125°C Junction Operating Temperature Range
    • 42V Load-Dump Tolerant
    • AEC-Q100 Qualified
Printable Data Sheet Evaluation Kit
Learn More

MAX77659 SIMO PMIC with 300mA Switching Charger

The MAX77659 provides highly-efficient integrated battery charging and power supply solutions fo...
  • 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 100mA LDO/LSW
    • Smart Power Selector™ Li+/Li-Poly Switching Charger
    • 2x GPIO Resources
    • Analog MUX Output for Power Monitoring
    • Factory-Ship Mode (< 200nA IQ)
    • Watchdog Timer
  • Low Power
    • 0.3μA Shutdown Current
    • 5μA Operating Current (3 SIMO Channels + 1 LDO)
  • Charger Optimized for Small Battery Size
    • Input Operating Voltage from 3.4V to 5.5V
    • Programmable Fast-Charge Current from 7.5mA to 300mA 
    • Programmable Battery Regulation Voltage from 3.6V to 4.6V
    • Programmable Termination Current from 0.375mA to 45mA
    • Thermal Regulation and JEITA Compliance
  • Flexible and Configurable
    • I2C-Compatible Interface and GPIO
    • Factory OTP Options Available
  • Small Size
    • 6.04mm2 Wafer-Level Package (WLP)
    • 30-Bump, 0.4mm Pitch, 6x5 Array
Printable Data Sheet Evaluation Kit
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MAX20478 Two/Three Input Automotive Voltage Monitor with Watchdog

The MAX20478 is a complete ASIL-D-compliant System-on-a-Chip (SoC) voltage monitor with two or t...
  • Small Solution
    • 2.35V to 5.50V Operating Supply Voltage
    • Only One External Component Required
    • 125µA Operating Current
  • High Precision
    • Selectable 102.5% to 110% OV Monitors
    • Selectable 97.5% to 90% UV Monitors
    • ±0.8% Accuracy
    • 0.5% Step Size
    • ASIL-D Compliance
  • Highly Integrated
    • MAX20478A - Two Voltage Monitoring Inputs
    • MAX20478B - Three Voltage Monitoring Inputs
    • Windowed Watchdog
    • OTP Configuration with Error-Correcting Code
    • Programmable RESET1 and RESET2 Pins
  • 10-Pin Side-Wettable TDFN with Exposed Pad (3mm x 3mm)
  • AEC-Q100 Qualified
  • -40°C to +125°C Operating Temperature
NDA Required. Request Full Data Sheet Evaluation Kit
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MAXM17225 Tiny, 0.4V to 5.5V Input, 300nA IQ, nanoPower Boost Module with True Shutdown

The MAXM17225 is a nanoPower, ultra-low-IQ (300nA) boost module offered in a tiny eMGA package. ...
  • Extends Battery Life
    • 300nA Ultra-Low Quiescent Current
    • 0.5nA Shutdown Current
    • 95% Peak Efficiency
    • True Shutdown
      • Output Disconnects from Input
      • Zero Forward/Reverse Current from VIN,VOUT
  • Easy to use–Addresses Popular Operation
  • VIN: 5.5V Down to 0.4V
    • Minimum Startup Voltage of 0.88V
    • Single Resistor-Adjustable VOUT from 1.8V to 5V
    • VOUT Selection Resolution: In 100mV Steps
    • 1A Peak Inductor Current Limit
    Robust Performance Features Include
    • Internal Current Limit
    • Integrated Soft-Start
    • PFM Control Scheme for Higher Efficiency at Light Load Operation>
    • Reduced Size and Increased Reliability
      • 2.1mm x 2.6mm, 10-Lead eMGA Package
      • Operating Temperature Range -40°C to +125°C
Printable Data Sheet Evaluation Kit
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MAXM17710 Integrated 4V-60V, 100mA, Himalaya uSLIC Power Module DC-DC Converter with 50mA Linear Regulator

The Himalaya series of voltage-regulator ICs and power modules enable cooler, smaller, and simpl...
  • Easy to Use
    • Wide 4V to 60V Input Step-Down Converter
    • Adjustable and Fixed Output Voltage Modules
    • Internal Inductor and Compensation
    • Up to 150mA Output Current from a Step-Down Converter
    • ±1.3% Accuracy for Linear Regulator Output and ±2% FB Accuracy for Step-Down Converter
    • All Ceramic Capacitors, Compact Layout
    • Built-In 50mA high PSRR Linear Voltage Regulator with Different Output Voltage Options
  • High Efficiency
    • Selectable PWM or PFM mode operation
    • PFM Enables Enhanced Light-Load Efficiency
    • 2.5µA Shutdown Current
    • 70µA No-Load Supply Current
  • Flexible Design
    • Internal Soft-Start and Prebias Startup
    • 350kHz to 2.2MHz Adjustable Switching Frequency with External Synchronization for Step-DownConverters
    • Open Drain Power Good Output (Active Low RESET Pin)
    • Programmable EN/UVLO Threshold
  • Robust Operation
    • Hiccup Overcurrent Protection
    • Overtemperature Protection
    • -40°C to +125°C Ambient Operating Temperature Range / -40°C to +150°C Junction Temperature Range
  • Rugged
    • Complies with CISPR22(EN55022) Class B Conducted and Radiated Emissions
    • Passes Drop, Shock, and Vibration Standards: JESD22-B103, B104, B111
Printable Data Sheet Evaluation Kit
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MAXM38643 Tiny, 1.8V to 5.5V Input, 330nA IQ, 600mA nanoPower Buck Module

  • Extends Battery Life
    • 330nA Ultra-Low Quiescent Supply Current
    • 1nA Shutdown Current
    • 96% Peak Efficiency and over 88% at 10μA
  • Easy to Use – Addresses Popular Operations
    • 1.8V to 5.5V Input Range
    • Single Resistor-Adjustable VOUT from 0.7V to 3.3V
    • Factory-Preprogrammed VOUT from 0.5V to 5V
    • ±1.75% Output Voltage Accuracy
    • Up to 600mA Load Current Capability
  • Protects System in Multiple Use Cases
    • Reverse-Current Blocking in Shutdown
    • Active Discharge Feature
  • Reduces Size and Increases Reliability
    • -40°C to +85°C Temperature Range
    • 2.1mm x 2.6mm, 10-Lead eMGA Package
Printable Data Sheet Evaluation Kit
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MAX17552B 60V, 100mA, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter with 22μA No-Load Supply Current

The Himalaya series of voltage regulator ICs, power modules, and chargers enable cooler, smaller...
  • Eliminates External Components and Reduces Total Cost
    • No Schottky—Synchronous Operation for High Efficiency and Reduced Cost
    • Internal Compensation
    • Fixed Internal 5.1ms or Programmable Soft-Start
    • All-Ceramic Capacitors, Ultra-Compact Layout
  • Reduces Number of DC-DC Regulators to Stock
    • Wide 4V to 60V Input Voltage Range
    • Adjustable 0.8V to 0.9 x VIN Output Voltages
    • Delivers Up to 100mA Load Current
    • 100kHz to 2.2MHz Adjustable Switching Frequency Range with External Clock Synchronization
    • Configurable Between PFM and Forced-PWM Modes
  • Reduces Power Dissipation
    • 22µA No Load Supply Current
    • Peak Efficiency > 90%
    • PFM Feature for High Light-Load Efficiency
    • 1.2µA (typ) Shutdown Current
  • Operates Reliably in Adverse Industrial Environments
    • Peak Current-Limit Protection
  • Built-In Output-Voltage Monitoring with Open-Drain Active-Low RESET Pin
    • Programmable EN/UVLO Threshold
    • Monotonic Startup into Prebiased Output
    • Overtemperature Protection
    • High Industrial -40°C to +125°C Ambient Operating Temperature Range / -40°C to +150°C Junction Temperature Range
Printable Data Sheet Evaluation Kit
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MAX16149 High-Voltage Supervisors with Manual Reset Input

The MAX16143, MAX16145, MAX16147, and MAX16149 are supervisory circuits that monitor their own s...
  • Factory-Set Reset Threshold Options from +3.3V to +11.6V
  • Manual Reset Input
    • Active-High and Active-Low Trigger Options
    • Optional Internal Pullup or Pulldown
    • Fast (45µs) and Slow (50ms) Debounce Time Options
  • Guaranteed Reset Valid to VCC ≥ 1.3V
  • Push-Pull and Open-Drain Reset Output Options
    • MAX16143: Open-Drain, Active-Low
    • MAX16145: Open-Drain, Active-High
    • MAX16147: Push-Pull, Active-Low
    • MAX16149: Push-Pull, Active-High
  • Power-Supply Transient Immunity
  • -40°C to +125°C Operating Temperature Range
  • SOT23-5 Package and 4-Bump WLPs
Printable Data Sheet
Learn More

MAX16145 High-Voltage Supervisors with Manual Reset Input

The MAX16143, MAX16145, MAX16147, and MAX16149 are supervisory circuits that monitor their own s...
  • Factory-Set Reset Threshold Options from +3.3V to +11.6V
  • Manual Reset Input
    • Active-High and Active-Low Trigger Options
    • Optional Internal Pullup or Pulldown
    • Fast (45µs) and Slow (50ms) Debounce Time Options
  • Guaranteed Reset Valid to VCC ≥ 1.3V
  • Push-Pull and Open-Drain Reset Output Options
    • MAX16143: Open-Drain, Active-Low
    • MAX16145: Open-Drain, Active-High
    • MAX16147: Push-Pull, Active-Low
    • MAX16149: Push-Pull, Active-High
  • Power-Supply Transient Immunity
  • -40°C to +125°C Operating Temperature Range
  • SOT23-5 Package and 4-Bump WLPs
Printable Data Sheet
Learn More

MAX16143 High-Voltage Supervisors with Manual Reset Input

The MAX16143, MAX16145, MAX16147, and MAX16149 are supervisory circuits that monitor their own s...
  • Factory-Set Reset Threshold Options from +3.3V to +11.6V
  • Manual Reset Input
    • Active-High and Active-Low Trigger Options
    • Optional Internal Pullup or Pulldown
    • Fast (45µs) and Slow (50ms) Debounce Time Options
  • Guaranteed Reset Valid to VCC ≥ 1.3V
  • Push-Pull and Open-Drain Reset Output Options
    • MAX16143: Open-Drain, Active-Low
    • MAX16145: Open-Drain, Active-High
    • MAX16147: Push-Pull, Active-Low
    • MAX16149: Push-Pull, Active-High
  • Power-Supply Transient Immunity
  • -40°C to +125°C Operating Temperature Range
  • SOT23-5 Package and 4-Bump WLPs
Printable Data Sheet
Learn More

MAX20499C Automotive Single 16A/12A Step-Down Converter

The MAX20499C/MAX20499D is a high-efficiency, synchronous step-down converter that operates with...
  • High-Efficiency DC-DC Converter
  • Up to 16A Peak Output Current
    • MAX20499C: 16A
    • MAX20499D: 12A
  • 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
  • Programmable Compensation
  • 2.2MHz or 1.1MHz Operation
  • ±1.5% Output Voltage Accuracy
  • Active-low RESET Output
  • Current Mode, Forced-PWM Operation
  • Overtemperature and Short-Circuit Protection
  • 3.5mm x 4mm 17-Pin Side-Wettable FC2QFN
  • -40°C to +125°C Grade 1 Automotive Temperature Range
    • Printable Data Sheet Evaluation Kit
    Learn More

    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
    Printable Data Sheet Evaluation Kit
    Learn More

    MAX38650 Tiny 1.8V to 5.5V Input, 390nA IQ, 100mA nanoPower Buck Converter with 100% Duty Cycle Operation

    The MAX38650 is a nanoPower, ultra-low 390nA quiescent current, buck (step-down) DC-DC converter...
    • Extends Battery Life
      • 390nA Ultra-Low Quiescent Supply Current
      • 5nA Shutdown Current
      • 95% Peak Efficiency and over 85% at 10μA
    • Easy to Use—Addresses Popular Operation
      • 1.8V to 5.5V Input Range
      • Single Resistor-Adjustable VOUT from 1.2V to 3.3V (MAX38650A)
      • Preprogrammed VOUT from 1.2V to 5V (MAX38650B) in steps of 50mV
      • 100% Duty Cycle Mode for Low Dropout Operation
      • ±1.5% Output Voltage Accuracy
      • 100mA Load Current
    • Protects System in Multiple Use Cases
      • Reverse-Current Blocking in Shutdown
      • Active Discharge Feature
    • Reduces Size and Increases Reliability
      • -40°C to +125°C Operating Temperature Range
      • 1.58mm x 0.89mm, 0.4mm Pitch, 6-Pin (2 x 3) WLP
    Printable Data Sheet
    Learn More

    MAX77642 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
    Printable Data Sheet Evaluation Kit
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    MAX77840 3A Buck Charger with ModelGauge m5 Fuel Gauge and USB BC1.2 Detection

    The MAX77840 is a 3.15A switched-mode charger and ModelGauge™ fuel gauge with integrated USB BC1...
    • Single-Input Switch Mode Charger
    • Up to 16V Protection
      • Up to 13.4V Input Operating Range
      • Up to 4.0A Input Current Limit with Adaptive Input Current Limiting (AICL)
      • Up to 3.15A Battery Charging Current Limit
      • CC, CV, and Die Temperature Control
      • Small Inductor: 0.47µH or 1µH Package
      • High Efficiency
    • Supports USB-OTG Reverse Boost, up to 1.5A Current Limit (Programmable)
    • Integrated Battery True-Disconnect FET
      • RDS(ON) = 12.8mΩ
      • Rated Up to 9ARMS, Discharge Current Limit (Programmable, Default 4.5A)
    • Adapter Type Detection
      • D+/D- Detection for USB port, USB DCP, and USB HVDCP
      • BC 1.2 Compliant
    • ModelGauge m5 Battery Fuel Gauge
      • ±1% SOC Accuracy, No Calibration Cycles, Very Low IQ
      • Time-to-Empty and Time-to-Full Prediction
    • One Safeout LDO
    • Control Functions
      • Shipping Mode with ONKEY Pressing Clear
      • True Hardware Reset with ONKEY
    • I2C 3.0 Compatible Interface with Interrupt Output
    • 3.87mm x 3.96mm, 9 x 9 Array WLP with 0.4mm Pitch
    Printable Data Sheet Evaluation Kit
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    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
    Printable Data Sheet
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