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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.
Also see:
Power Reference Designs
Featured Technical Documents
Technical Documentation
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
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.
Location-Tracking Chip IoT Designs
April 14, 2020
Adding location-tracking chips to IoT designs brings new power-management challenges. See how SIMO buck-boost regulators save space and extend battery life.
Featured Products
MAX20029D Automotive Quad/Triple/Quad Low-Voltage Step-Down DC-DC Converters
The MAX20029/MAX20029B/MAX20029C/MAX20029D power-management ICs (PMICs) integrate four low-volta...
- Quad Step-Down DC-DC Converters with Integrated FETs
- Operate from 3.0V to 5.5V Supply Voltage
- 0.7V to 4.0V Fixed or Adjustable Output Voltage
- 2.2MHz Switching Frequency
- MAX20029/MAX20029C: Up to Four 1.5A Channels
- MAX20029B/MAX20029D: Up to One 3A + Two 1.5A Channels
- Designed to Improve Automotive EMI Performance
- Forced-PWM Operation
- Two Channels 180° Out-of-Phase
- SYNC Input
- Spread-Spectrum Option
- Soft-Start and Supply Sequencing Reduces Inrush Current
- Individual Enable Inputs and Power-Good Outputs to Simplify Sequencing
- OV Input-Voltage Monitoring
- Overtemperature and Short-Circuit Protection
- 28-Pin (5mm × 5mm x 0.8mm) TQFN-EP Package
- -40°C to +125°C Operating Temperature Range
MAX77976 19VIN, 3.5/5.5A 1-Cell Li+ Battery Charger with Smart Power Selector and OTG for USBC PD
The MAX77975/MAX77976 is a high-performance high-input 3.5/5.5A fast charger with Smart Power Se...
- High-Efficiency Single-Cell Switching Charger
- Up to 5.5A Charging with MAX77976
- 91.2% Buck Efficiency at 4A, 12V Input
- 90.5% Charging Efficiency at 3.5A, 9V Input
- Optimized for High Voltage Input Operation
- Accelerate Charge Time by Monitoring Kelvin Sensing Battery Voltage
- Up to 3.2A Input Current Limit with AICL
- +28V Absolute Maximum Input Voltage Rating
- 3.8V to 19V Input Operating Voltage Range
- Reverse Boost with Programmable Output Voltage Options up to 12V
- Up to 18W for MAX77976
- Up to 12W for MAX77975
- Integrated Battery True-Disconnect FET
- RDSON = 7.7mΩ
- Programmable Discharge Current Limit up to 10A
- Support Shipping Mode and Low Battery Leakage Current
- 1.3MHz/2.6MHz Switching Frequency with 1μH/0.47μH Inductor
- Disconnect Input (DISQBAT)
- Safety
- Battery Temperature Sensing and Charge Safety Timer
- JEITA Guideline Compliant
- Thermal Regulation and Thermal Shutdown
- System Voltage OVLO/UVLO
- Charge Status Output for LED
- Push-Button Input for Exiting from Ship Mode
- External Discharge FET Enable Output
- Dedicated Input for Suspend Mode (SUSPND)
- I2C Interface
- 4mm x 4mm FC2QFN
MAX77975 19VIN, 3.5/5.5A 1-Cell Li+ Battery Charger with Smart Power Selector and OTG for USBC PD
The MAX77975/MAX77976 is a high-performance high-input 3.5/5.5A fast charger with Smart Power Se...
- High-Efficiency Single-Cell Switching Charger
- Up to 5.5A Charging with MAX77976
- 91.2% Buck Efficiency at 4A, 12V Input
- 90.5% Charging Efficiency at 3.5A, 9V Input
- Optimized for High Voltage Input Operation
- Accelerate Charge Time by Monitoring Kelvin Sensing Battery Voltage
- Up to 3.2A Input Current Limit with AICL
- +28V Absolute Maximum Input Voltage Rating
- 3.8V to 19V Input Operating Voltage Range
- Reverse Boost with Programmable Output Voltage Options up to 12V
- Up to 18W for MAX77976
- Up to 12W for MAX77975
- Integrated Battery True-Disconnect FET
- RDSON = 7.7mΩ
- Programmable Discharge Current Limit up to 10A
- Support Shipping Mode and Low Battery Leakage Current
- 1.3MHz/2.6MHz Switching Frequency with 1μH/0.47μH Inductor
- Disconnect Input (DISQBAT)
- Safety
- Battery Temperature Sensing and Charge Safety Timer
- JEITA Guideline Compliant
- Thermal Regulation and Thermal Shutdown
- System Voltage OVLO/UVLO
- Charge Status Output for LED
- Push-Button Input for Exiting from Ship Mode
- External Discharge FET Enable Output
- Dedicated Input for Suspend Mode (SUSPND)
- I2C Interface
- 4mm x 4mm FC2QFN
MAX20010E Automotive Single 6A Step-Down Converters
The MAX20010C/MAX20010D/MAX20010E ICs are high-efficiency, synchronous step-down converters that...
- Fully Integrated, Synchronous 6A DC-DC Converter Enables Small Solution Size
- 3.0V to 5.5V Operating Supply Voltage
- High-Precision Voltage Regulator for Applications Processors
- ±2% Output-Voltage Accuracy
- Differential Remote Voltage Sensing
- I2C-Controlled Output Voltage of 0.5V to 1.27V in 10mV Steps, or 0.625V to 1.5875V in 12.5mV Steps
- Excellent Load-Transient Performance
- Low-Noise Feature Reduces EMI
- 2.2MHz Operation
- Spread-Spectrum Option
- Frequency-Synchronization Input/Output
- Current-Mode, Forced-PWM, and Skip Operation
- Robust for the Automotive Environment
- PGOOD Output
- Overtemperature and Short-Circuit Protection
- 20-Pin (4mm × 4mm) TQFN with an Exposed Pad
- -40°C to +125°C Operating Temperature Range
- AEC-Q100 Qualified
MAX16171 Ideal Diode Controller with Reverse-Current Protection
The MAX16171 is an ideal diode controller that protects the load against damaging automotive tra...
- -42V to +76V Protection Range
- Relaxes TVS Diodes Requirements
- 4V to 57V Operating Range
- Accommodates Wide Automotive Supply Rails
- 9V Gate Drive Voltage with Respect to SRC
- Reduces MOSFET Power Dissipation
- Enable Input
- Provides On-the-Fly System Control
- 1µA Shutdown Current
- Extends Battery Life
- 600ns Reverse-Current Blocking Time with 10mV Overdrive
- Extends System Operation Time During Power Interruption
- -40°C to +125°C Automotive Temperature Range
- 2mm x 3mm, Side-Wettable TDFN Package
MAX20313 500mA to 6A Adjustable Current-Limit Switches
The MAX20313–MAX20316 programmable current-limit switches feature internal current limiting to p...
- Reliable Protection
- Adjustable Current Limit (500mA to 6A)
- Accurate ±5% Overload Current Limit (2A to 6A)
- Current Monitoring
- Low RON 10mΩ (typ)
- Reverse Current Protection
- Short-Circuit Protection
- Thermal Shutdown Protection
- Space Saving
- 12-Bump 0.4mm Pitch 1.68mm x 1.48mm WLP
MAX20049 Flexible, Compact Quad Power Supply with 2.2MHz, 500mA Buck Converters and Dual LDOs for Automotive Camera Modules
The MAX20049 is a dual step-down converter IC with two low-dropout regulators (LDOs), providing ...
- Small Solution Size
- 16-Pin Side-Wettable (3mm x 3mm) TQFN with an Exposed Pad
- Low On-Time Architecture Eliminates the Need for Cascading Bucks
- Wide 3.5V to 17V Input Voltage Range for Power- Over-Coax Cables
- Fixed Output-Voltage Options
- EMI Solutions
- Optional Spread-Spectrum Frequency Modulation
- Pinout Placement Allows for Tight PCB Layout of Switching Nodes
- Self-Protected and Robust
- Overvoltage and Undervoltage Monitoring, Overvoltage Protection, Thermal Shutdown, and Short- Circuit Protection
- 500mV Input Hysteresis Allows for Long, Low-Cost Cables During Slow Starts
- Automotive Ready
- Automotive Temperature Range
- AEC-Q100 Qualified
MAX17222 400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
The MAX17220–MAX17225 is a family of ultra-low quiescent current boost (step-up) DC-DC converter...
- 300nA Quiescent Supply Current Into OUT
- True Shutdown Mode
- 0.5nA Shutdown Current
- Output Disconnects from Input
- No Reverse Current with VOUT 0V to 5V
- 95% Peak Efficiency
- 400mV to 5.5V Input Range
- 0.88V Minimum Startup Voltage
- 1.8V to 5V Output Voltage Range
- 100mV/Step
- Single 1% Resistor Selectable Output
- 225mA, 500mA, and 1A Peak Inductor Current Limit
- MAX17220/MAX17221: 225mA ILIM
- MAX17222/MAX17223: 500mA ILIM
- MAX17224/MAX17225: 1A ILIM
- MAX17220/MAX17222/MAX17224 Enable Transient Protection (ETP)
- 2mm x 2mm 6-Pin µDFN
- 0.88mm x 1.4mm 6-Bump WLP (2 x 3, 0.4mm Pitch)
MAX17220 400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
The MAX17220–MAX17225 is a family of ultra-low quiescent current boost (step-up) DC-DC converter...
- 300nA Quiescent Supply Current Into OUT
- True Shutdown Mode
- 0.5nA Shutdown Current
- Output Disconnects from Input
- No Reverse Current with VOUT 0V to 5V
- 95% Peak Efficiency
- 400mV to 5.5V Input Range
- 0.88V Minimum Startup Voltage
- 1.8V to 5V Output Voltage Range
- 100mV/Step
- Single 1% Resistor Selectable Output
- 225mA, 500mA, and 1A Peak Inductor Current Limit
- MAX17220/MAX17221: 225mA ILIM
- MAX17222/MAX17223: 500mA ILIM
- MAX17224/MAX17225: 1A ILIM
- MAX17220/MAX17222/MAX17224 Enable Transient Protection (ETP)
- 2mm x 2mm 6-Pin µDFN
- 0.88mm x 1.4mm 6-Bump WLP (2 x 3, 0.4mm Pitch)
MAX17221 400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
The MAX17220–MAX17225 is a family of ultra-low quiescent current boost (step-up) DC-DC converter...
- 300nA Quiescent Supply Current Into OUT
- True Shutdown Mode
- 0.5nA Shutdown Current
- Output Disconnects from Input
- No Reverse Current with VOUT 0V to 5V
- 95% Peak Efficiency
- 400mV to 5.5V Input Range
- 0.88V Minimum Startup Voltage
- 1.8V to 5V Output Voltage Range
- 100mV/Step
- Single 1% Resistor Selectable Output
- 225mA, 500mA, and 1A Peak Inductor Current Limit
- MAX17220/MAX17221: 225mA ILIM
- MAX17222/MAX17223: 500mA ILIM
- MAX17224/MAX17225: 1A ILIM
- MAX17220/MAX17222/MAX17224 Enable Transient Protection (ETP)
- 2mm x 2mm 6-Pin µDFN
- 0.88mm x 1.4mm 6-Bump WLP (2 x 3, 0.4mm Pitch)
MAX17224 400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
The MAX17220–MAX17225 is a family of ultra-low quiescent current boost (step-up) DC-DC converter...
- 300nA Quiescent Supply Current Into OUT
- True Shutdown Mode
- 0.5nA Shutdown Current
- Output Disconnects from Input
- No Reverse Current with VOUT 0V to 5V
- 95% Peak Efficiency
- 400mV to 5.5V Input Range
- 0.88V Minimum Startup Voltage
- 1.8V to 5V Output Voltage Range
- 100mV/Step
- Single 1% Resistor Selectable Output
- 225mA, 500mA, and 1A Peak Inductor Current Limit
- MAX17220/MAX17221: 225mA ILIM
- MAX17222/MAX17223: 500mA ILIM
- MAX17224/MAX17225: 1A ILIM
- MAX17220/MAX17222/MAX17224 Enable Transient Protection (ETP)
- 2mm x 2mm 6-Pin µDFN
- 0.88mm x 1.4mm 6-Bump WLP (2 x 3, 0.4mm Pitch)
MAX17225 400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
The MAX17220–MAX17225 is a family of ultra-low quiescent current boost (step-up) DC-DC converter...
- 300nA Quiescent Supply Current Into OUT
- True Shutdown Mode
- 0.5nA Shutdown Current
- Output Disconnects from Input
- No Reverse Current with VOUT 0V to 5V
- 95% Peak Efficiency
- 400mV to 5.5V Input Range
- 0.88V Minimum Startup Voltage
- 1.8V to 5V Output Voltage Range
- 100mV/Step
- Single 1% Resistor Selectable Output
- 225mA, 500mA, and 1A Peak Inductor Current Limit
- MAX17220/MAX17221: 225mA ILIM
- MAX17222/MAX17223: 500mA ILIM
- MAX17224/MAX17225: 1A ILIM
- MAX17220/MAX17222/MAX17224 Enable Transient Protection (ETP)
- 2mm x 2mm 6-Pin µDFN
- 0.88mm x 1.4mm 6-Bump WLP (2 x 3, 0.4mm Pitch)
MAX17223 400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
The MAX17220–MAX17225 is a family of ultra-low quiescent current boost (step-up) DC-DC converter...
- 300nA Quiescent Supply Current Into OUT
- True Shutdown Mode
- 0.5nA Shutdown Current
- Output Disconnects from Input
- No Reverse Current with VOUT 0V to 5V
- 95% Peak Efficiency
- 400mV to 5.5V Input Range
- 0.88V Minimum Startup Voltage
- 1.8V to 5V Output Voltage Range
- 100mV/Step
- Single 1% Resistor Selectable Output
- 225mA, 500mA, and 1A Peak Inductor Current Limit
- MAX17220/MAX17221: 225mA ILIM
- MAX17222/MAX17223: 500mA ILIM
- MAX17224/MAX17225: 1A ILIM
- MAX17220/MAX17222/MAX17224 Enable Transient Protection (ETP)
- 2mm x 2mm 6-Pin µDFN
- 0.88mm x 1.4mm 6-Bump WLP (2 x 3, 0.4mm Pitch)
MAX77597 36V, 300mA, Buck Converter with 1.1μA IQ
The MAX77597 is a small, synchronous buck converter with integrated switches. The device is desi...
- Flexible Power for Systems That Require a Wide Input Voltage Range
- VIN Range: 3.5V to 36V
- Up to 300mA Output Current
- Fixed 3.3V Output Voltage
- 98% (Max) Duty Cycle Operation with Low Dropout
- Operates from 5V, 12V, or 20V USB Type-C Input Power
- Operates from 2S, 3S, or 4S Li-Ion Battery
- Minimizes Power Consumption and Extends Battery Life
- 1.1µA Quiescent Current
- 86% Peak Efficiency at 12VIN, 3.3VOUT
- Minimizes Solution Size
- 1.7MHz Operating Frequency
- Small 2.0mm x 2.5mm x 0.75mm 10-Pin TDFN Package
- Robust Solution
- Short-Circuit, Thermal Protections
- 6.67ms Internal Soft-Start Minimizes Inrush Current
- Current-Mode Control Architecture
- Up to 42V Input Voltage Tolerance
MAX20069B Automotive I2C-Controlled 4-Channel 150mA Backlight Driver and 4-Output TFT-LCD Bias
The MAX20069B is a highly integrated TFT power supply and LED backlight driver IC for automotive...
- 4-Output TFT-LCD Bias Power
- 2.8V to 5.5V Input for the TFT-LCD Section
- Integrated 440kHz or 2.2MHz Boost and Buck-Boost Converters
- Positive and Negative 3mA Gate Voltage Regulators with Adjustable Output Voltage
- Flexible Resistor-Programmable Sequencing through the SEQ Pin
- Undervoltage Detection on All Outputs
- Low-Quiescent-Current Standby Mode
- 4-Channel LED Backlight Driver
- Up to 150mA Current per Channel
- 4.5V to 42V Input Voltage Range
- Integrated Boost/SEPIC Controller (440kHz or 2.2MHz)
- Dimming Ratio 10,000:1 at 200Hz
- Adaptive Voltage Optimization to Reduce Power Dissipation in the LED Current Sinks
- Open-String, Shorted-LED, and Short-to-GND Diagnostics
- Low EMI
- Phase-Shift Dimming of LED Strings
- Spread Spectrum on LED Driver and TFT
- Selectable Switching Frequency with Fine-Tuning via I2C
- I2C Interface for Control and Diagnostics
- Fault Indication through the FLTB pin and I2C
- Overload and Thermal Protection
- -40°C to +105°C Ambient Temperature Operation
- 40-Pin (6mm x 6mm) TQFN Package with Exposed Pad
MAX38802 Integrated, Step-Down Switching Regulators with Selectable Applications Configurations
The MAX38802/MAX38803 are fully-integrated, highly efficient switching regulators for applicatio...
- High-Efficiency Solution
- Up to 97% Peak
- Up to 87% Full-Load
- Up to 96% Light-Load Efficiency at 1A with DCM Enabled
- Flexible Design Allows Early PCB Definition
- Footprint Compatible with MAX38800 (9A) and MAX38801 (15A)
- Programmable Switching Frequency Up to 1MHz
- Programmable Soft-Start and STAT Delay Timings
- Programmable Reference Voltage with External Input Option
- Programmable Positive and Negative OCP Limit
- Advanced Architecture, Protection and Reporting Guarantees Reliable Designs
- Analog Current or Temperature Reporting
- Differential Remote Sense with Open-Circuit Detection
- Fast Transient Response with Quick-PWM™ Architecture
- Percentage-Based Output Power Good and OVP
- Open-Drain Status Indicator (STAT) Pin
- Input Undervoltage and Overvoltage Lockout
- Adaptive Dead Time Control
- Saves Board Space
- Integrated Boost Switch
- 27-Bump WLCSP (2.2mm x 3.8mm) Footprint
- Operation Using Ceramic Input and Output Capacitors
MAX38803 Integrated, Step-Down Switching Regulators with Selectable Applications Configurations
The MAX38802/MAX38803 are fully-integrated, highly efficient switching regulators for applicatio...
- High-Efficiency Solution
- Up to 97% Peak
- Up to 87% Full-Load
- Up to 96% Light-Load Efficiency at 1A with DCM Enabled
- Flexible Design Allows Early PCB Definition
- Footprint Compatible with MAX38800 (9A) and MAX38801 (15A)
- Programmable Switching Frequency Up to 1MHz
- Programmable Soft-Start and STAT Delay Timings
- Programmable Reference Voltage with External Input Option
- Programmable Positive and Negative OCP Limit
- Advanced Architecture, Protection and Reporting Guarantees Reliable Designs
- Analog Current or Temperature Reporting
- Differential Remote Sense with Open-Circuit Detection
- Fast Transient Response with Quick-PWM™ Architecture
- Percentage-Based Output Power Good and OVP
- Open-Drain Status Indicator (STAT) Pin
- Input Undervoltage and Overvoltage Lockout
- Adaptive Dead Time Control
- Saves Board Space
- Integrated Boost Switch
- 27-Bump WLCSP (2.2mm x 3.8mm) Footprint
- Operation Using Ceramic Input and Output Capacitors
MAX17291 High-Voltage, 1A Micropower Boost Converter with Short-Circuit Protection and True Shutdown
The MAX17291 is a low quiescent current boost (step-up) DC-DC converter with a 1A peak inductor ...
- 28μA Quiescent Supply Current from Input
- Output Short-Circuit Protection
- Overtemperature Protection
- Constant Frequency in CCM
- True Shutdown Mode
- 0.05μA Shutdown Current
- No Reverse Current from OUT
- 91% Peak Efficiency
- 1.8V to 5.5V Input Range
- 5.5V to 20V Output Voltage Range
- 1A Peak Inductor Current Limit
- Multiple Package Options
- 1.27mm x 0.87mm, 6-Bump (3 x 2), 0.4mm Pitch WLP
- 2mm x 2mm, 8-Pin TDFN
- -40°C to +125°C Operating Temperature Range
MAX16171EVKIT Evaluation Kit for the MAX16171
The MAX16171 EV kit is designed to evaluate the MAX16171, an ideal diode controller that protect...
- 4V to 57V Operating Voltage Range
- Shutdown Mode Jumper
- -40°C to +125°C Temperature Range
- Lead(Pb)-Free and RoHS Compliant
- Proven PCB Layout
- Fully Assembled and Tested
MAX17576 4.5V to 60V, 4A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation
The Himalaya series of voltage regulator ICs, power modules, and chargers enable cooler, smaller...
- Reduces External Components and Total Cost
- No Schottky-Synchronous Operation
- Internal Compensation for Any Output Voltage
- All-Ceramic Capacitors, Compact Layout
- Reduces Number of DC-DC Regulators to Stock
- Wide 4.5V to 60V Input
- Adjustable Output Voltage Range from 0.9V up to 90% of VIN
- 100kHz to 2.2MHz Adjustable Switching Frequency with External Clock Synchronization
- Reduces Power Dissipation
- Peak Efficiency of 94.8%
- PFM and DCM Modes Enable Enhanced Light-Load Efficiency
- Auxiliary Bootstrap Supply (EXTVCC) for Improved Efficiency
- 2.8µA Shutdown Current
- Operates Reliably in Adverse Industrial Environments
- Hiccup Mode Overload Protection and Auto-Retry Startup
- Adjustable Soft-Start and Prebiased Power-Up
- Built-In Output-Voltage Monitoring with Active-Low RESET
- Programmable EN/UVLO Threshold
- Monotonic Startup Into Prebiased Output Load
- Overtemperature Protection
- Wide -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range
MAX20029D Automotive Quad/Triple/Quad Low-Voltage Step-Down DC-DC Converters
The MAX20029/MAX20029B/MAX20029C/MAX20029D power-management ICs (PMICs) integrate four low-volta...
- Quad Step-Down DC-DC Converters with Integrated FETs
- Operate from 3.0V to 5.5V Supply Voltage
- 0.7V to 4.0V Fixed or Adjustable Output Voltage
- 2.2MHz Switching Frequency
- MAX20029/MAX20029C: Up to Four 1.5A Channels
- MAX20029B/MAX20029D: Up to One 3A + Two 1.5A Channels
- Designed to Improve Automotive EMI Performance
- Forced-PWM Operation
- Two Channels 180° Out-of-Phase
- SYNC Input
- Spread-Spectrum Option
- Soft-Start and Supply Sequencing Reduces Inrush Current
- Individual Enable Inputs and Power-Good Outputs to Simplify Sequencing
- OV Input-Voltage Monitoring
- Overtemperature and Short-Circuit Protection
- 28-Pin (5mm × 5mm x 0.8mm) TQFN-EP Package
- -40°C to +125°C Operating Temperature Range
MAX77976 19VIN, 3.5/5.5A 1-Cell Li+ Battery Charger with Smart Power Selector and OTG for USBC PD
The MAX77975/MAX77976 is a high-performance high-input 3.5/5.5A fast charger with Smart Power Se...
- High-Efficiency Single-Cell Switching Charger
- Up to 5.5A Charging with MAX77976
- 91.2% Buck Efficiency at 4A, 12V Input
- 90.5% Charging Efficiency at 3.5A, 9V Input
- Optimized for High Voltage Input Operation
- Accelerate Charge Time by Monitoring Kelvin Sensing Battery Voltage
- Up to 3.2A Input Current Limit with AICL
- +28V Absolute Maximum Input Voltage Rating
- 3.8V to 19V Input Operating Voltage Range
- Reverse Boost with Programmable Output Voltage Options up to 12V
- Up to 18W for MAX77976
- Up to 12W for MAX77975
- Integrated Battery True-Disconnect FET
- RDSON = 7.7mΩ
- Programmable Discharge Current Limit up to 10A
- Support Shipping Mode and Low Battery Leakage Current
- 1.3MHz/2.6MHz Switching Frequency with 1μH/0.47μH Inductor
- Disconnect Input (DISQBAT)
- Safety
- Battery Temperature Sensing and Charge Safety Timer
- JEITA Guideline Compliant
- Thermal Regulation and Thermal Shutdown
- System Voltage OVLO/UVLO
- Charge Status Output for LED
- Push-Button Input for Exiting from Ship Mode
- External Discharge FET Enable Output
- Dedicated Input for Suspend Mode (SUSPND)
- I2C Interface
- 4mm x 4mm FC2QFN
MAX77975 19VIN, 3.5/5.5A 1-Cell Li+ Battery Charger with Smart Power Selector and OTG for USBC PD
The MAX77975/MAX77976 is a high-performance high-input 3.5/5.5A fast charger with Smart Power Se...
- High-Efficiency Single-Cell Switching Charger
- Up to 5.5A Charging with MAX77976
- 91.2% Buck Efficiency at 4A, 12V Input
- 90.5% Charging Efficiency at 3.5A, 9V Input
- Optimized for High Voltage Input Operation
- Accelerate Charge Time by Monitoring Kelvin Sensing Battery Voltage
- Up to 3.2A Input Current Limit with AICL
- +28V Absolute Maximum Input Voltage Rating
- 3.8V to 19V Input Operating Voltage Range
- Reverse Boost with Programmable Output Voltage Options up to 12V
- Up to 18W for MAX77976
- Up to 12W for MAX77975
- Integrated Battery True-Disconnect FET
- RDSON = 7.7mΩ
- Programmable Discharge Current Limit up to 10A
- Support Shipping Mode and Low Battery Leakage Current
- 1.3MHz/2.6MHz Switching Frequency with 1μH/0.47μH Inductor
- Disconnect Input (DISQBAT)
- Safety
- Battery Temperature Sensing and Charge Safety Timer
- JEITA Guideline Compliant
- Thermal Regulation and Thermal Shutdown
- System Voltage OVLO/UVLO
- Charge Status Output for LED
- Push-Button Input for Exiting from Ship Mode
- External Discharge FET Enable Output
- Dedicated Input for Suspend Mode (SUSPND)
- I2C Interface
- 4mm x 4mm FC2QFN
MAX20010E Automotive Single 6A Step-Down Converters
The MAX20010C/MAX20010D/MAX20010E ICs are high-efficiency, synchronous step-down converters that...
- Fully Integrated, Synchronous 6A DC-DC Converter Enables Small Solution Size
- 3.0V to 5.5V Operating Supply Voltage
- High-Precision Voltage Regulator for Applications Processors
- ±2% Output-Voltage Accuracy
- Differential Remote Voltage Sensing
- I2C-Controlled Output Voltage of 0.5V to 1.27V in 10mV Steps, or 0.625V to 1.5875V in 12.5mV Steps
- Excellent Load-Transient Performance
- Low-Noise Feature Reduces EMI
- 2.2MHz Operation
- Spread-Spectrum Option
- Frequency-Synchronization Input/Output
- Current-Mode, Forced-PWM, and Skip Operation
- Robust for the Automotive Environment
- PGOOD Output
- Overtemperature and Short-Circuit Protection
- 20-Pin (4mm × 4mm) TQFN with an Exposed Pad
- -40°C to +125°C Operating Temperature Range
- AEC-Q100 Qualified
MAX16171 Ideal Diode Controller with Reverse-Current Protection
The MAX16171 is an ideal diode controller that protects the load against damaging automotive tra...
- -42V to +76V Protection Range
- Relaxes TVS Diodes Requirements
- 4V to 57V Operating Range
- Accommodates Wide Automotive Supply Rails
- 9V Gate Drive Voltage with Respect to SRC
- Reduces MOSFET Power Dissipation
- Enable Input
- Provides On-the-Fly System Control
- 1µA Shutdown Current
- Extends Battery Life
- 600ns Reverse-Current Blocking Time with 10mV Overdrive
- Extends System Operation Time During Power Interruption
- -40°C to +125°C Automotive Temperature Range
- 2mm x 3mm, Side-Wettable TDFN Package
MAX20313 500mA to 6A Adjustable Current-Limit Switches
The MAX20313–MAX20316 programmable current-limit switches feature internal current limiting to p...
- Reliable Protection
- Adjustable Current Limit (500mA to 6A)
- Accurate ±5% Overload Current Limit (2A to 6A)
- Current Monitoring
- Low RON 10mΩ (typ)
- Reverse Current Protection
- Short-Circuit Protection
- Thermal Shutdown Protection
- Space Saving
- 12-Bump 0.4mm Pitch 1.68mm x 1.48mm WLP
MAX20049 Flexible, Compact Quad Power Supply with 2.2MHz, 500mA Buck Converters and Dual LDOs for Automotive Camera Modules
The MAX20049 is a dual step-down converter IC with two low-dropout regulators (LDOs), providing ...
- Small Solution Size
- 16-Pin Side-Wettable (3mm x 3mm) TQFN with an Exposed Pad
- Low On-Time Architecture Eliminates the Need for Cascading Bucks
- Wide 3.5V to 17V Input Voltage Range for Power- Over-Coax Cables
- Fixed Output-Voltage Options
- EMI Solutions
- Optional Spread-Spectrum Frequency Modulation
- Pinout Placement Allows for Tight PCB Layout of Switching Nodes
- Self-Protected and Robust
- Overvoltage and Undervoltage Monitoring, Overvoltage Protection, Thermal Shutdown, and Short- Circuit Protection
- 500mV Input Hysteresis Allows for Long, Low-Cost Cables During Slow Starts
- Automotive Ready
- Automotive Temperature Range
- AEC-Q100 Qualified
MAX17222 400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
The MAX17220–MAX17225 is a family of ultra-low quiescent current boost (step-up) DC-DC converter...
- 300nA Quiescent Supply Current Into OUT
- True Shutdown Mode
- 0.5nA Shutdown Current
- Output Disconnects from Input
- No Reverse Current with VOUT 0V to 5V
- 95% Peak Efficiency
- 400mV to 5.5V Input Range
- 0.88V Minimum Startup Voltage
- 1.8V to 5V Output Voltage Range
- 100mV/Step
- Single 1% Resistor Selectable Output
- 225mA, 500mA, and 1A Peak Inductor Current Limit
- MAX17220/MAX17221: 225mA ILIM
- MAX17222/MAX17223: 500mA ILIM
- MAX17224/MAX17225: 1A ILIM
- MAX17220/MAX17222/MAX17224 Enable Transient Protection (ETP)
- 2mm x 2mm 6-Pin µDFN
- 0.88mm x 1.4mm 6-Bump WLP (2 x 3, 0.4mm Pitch)
MAX17220 400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
The MAX17220–MAX17225 is a family of ultra-low quiescent current boost (step-up) DC-DC converter...
- 300nA Quiescent Supply Current Into OUT
- True Shutdown Mode
- 0.5nA Shutdown Current
- Output Disconnects from Input
- No Reverse Current with VOUT 0V to 5V
- 95% Peak Efficiency
- 400mV to 5.5V Input Range
- 0.88V Minimum Startup Voltage
- 1.8V to 5V Output Voltage Range
- 100mV/Step
- Single 1% Resistor Selectable Output
- 225mA, 500mA, and 1A Peak Inductor Current Limit
- MAX17220/MAX17221: 225mA ILIM
- MAX17222/MAX17223: 500mA ILIM
- MAX17224/MAX17225: 1A ILIM
- MAX17220/MAX17222/MAX17224 Enable Transient Protection (ETP)
- 2mm x 2mm 6-Pin µDFN
- 0.88mm x 1.4mm 6-Bump WLP (2 x 3, 0.4mm Pitch)
MAX17221 400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
The MAX17220–MAX17225 is a family of ultra-low quiescent current boost (step-up) DC-DC converter...
- 300nA Quiescent Supply Current Into OUT
- True Shutdown Mode
- 0.5nA Shutdown Current
- Output Disconnects from Input
- No Reverse Current with VOUT 0V to 5V
- 95% Peak Efficiency
- 400mV to 5.5V Input Range
- 0.88V Minimum Startup Voltage
- 1.8V to 5V Output Voltage Range
- 100mV/Step
- Single 1% Resistor Selectable Output
- 225mA, 500mA, and 1A Peak Inductor Current Limit
- MAX17220/MAX17221: 225mA ILIM
- MAX17222/MAX17223: 500mA ILIM
- MAX17224/MAX17225: 1A ILIM
- MAX17220/MAX17222/MAX17224 Enable Transient Protection (ETP)
- 2mm x 2mm 6-Pin µDFN
- 0.88mm x 1.4mm 6-Bump WLP (2 x 3, 0.4mm Pitch)
MAX17224 400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
The MAX17220–MAX17225 is a family of ultra-low quiescent current boost (step-up) DC-DC converter...
- 300nA Quiescent Supply Current Into OUT
- True Shutdown Mode
- 0.5nA Shutdown Current
- Output Disconnects from Input
- No Reverse Current with VOUT 0V to 5V
- 95% Peak Efficiency
- 400mV to 5.5V Input Range
- 0.88V Minimum Startup Voltage
- 1.8V to 5V Output Voltage Range
- 100mV/Step
- Single 1% Resistor Selectable Output
- 225mA, 500mA, and 1A Peak Inductor Current Limit
- MAX17220/MAX17221: 225mA ILIM
- MAX17222/MAX17223: 500mA ILIM
- MAX17224/MAX17225: 1A ILIM
- MAX17220/MAX17222/MAX17224 Enable Transient Protection (ETP)
- 2mm x 2mm 6-Pin µDFN
- 0.88mm x 1.4mm 6-Bump WLP (2 x 3, 0.4mm Pitch)
MAX17225 400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
The MAX17220–MAX17225 is a family of ultra-low quiescent current boost (step-up) DC-DC converter...
- 300nA Quiescent Supply Current Into OUT
- True Shutdown Mode
- 0.5nA Shutdown Current
- Output Disconnects from Input
- No Reverse Current with VOUT 0V to 5V
- 95% Peak Efficiency
- 400mV to 5.5V Input Range
- 0.88V Minimum Startup Voltage
- 1.8V to 5V Output Voltage Range
- 100mV/Step
- Single 1% Resistor Selectable Output
- 225mA, 500mA, and 1A Peak Inductor Current Limit
- MAX17220/MAX17221: 225mA ILIM
- MAX17222/MAX17223: 500mA ILIM
- MAX17224/MAX17225: 1A ILIM
- MAX17220/MAX17222/MAX17224 Enable Transient Protection (ETP)
- 2mm x 2mm 6-Pin µDFN
- 0.88mm x 1.4mm 6-Bump WLP (2 x 3, 0.4mm Pitch)
MAX17223 400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
The MAX17220–MAX17225 is a family of ultra-low quiescent current boost (step-up) DC-DC converter...
- 300nA Quiescent Supply Current Into OUT
- True Shutdown Mode
- 0.5nA Shutdown Current
- Output Disconnects from Input
- No Reverse Current with VOUT 0V to 5V
- 95% Peak Efficiency
- 400mV to 5.5V Input Range
- 0.88V Minimum Startup Voltage
- 1.8V to 5V Output Voltage Range
- 100mV/Step
- Single 1% Resistor Selectable Output
- 225mA, 500mA, and 1A Peak Inductor Current Limit
- MAX17220/MAX17221: 225mA ILIM
- MAX17222/MAX17223: 500mA ILIM
- MAX17224/MAX17225: 1A ILIM
- MAX17220/MAX17222/MAX17224 Enable Transient Protection (ETP)
- 2mm x 2mm 6-Pin µDFN
- 0.88mm x 1.4mm 6-Bump WLP (2 x 3, 0.4mm Pitch)
MAX77597 36V, 300mA, Buck Converter with 1.1μA IQ
The MAX77597 is a small, synchronous buck converter with integrated switches. The device is desi...
- Flexible Power for Systems That Require a Wide Input Voltage Range
- VIN Range: 3.5V to 36V
- Up to 300mA Output Current
- Fixed 3.3V Output Voltage
- 98% (Max) Duty Cycle Operation with Low Dropout
- Operates from 5V, 12V, or 20V USB Type-C Input Power
- Operates from 2S, 3S, or 4S Li-Ion Battery
- Minimizes Power Consumption and Extends Battery Life
- 1.1µA Quiescent Current
- 86% Peak Efficiency at 12VIN, 3.3VOUT
- Minimizes Solution Size
- 1.7MHz Operating Frequency
- Small 2.0mm x 2.5mm x 0.75mm 10-Pin TDFN Package
- Robust Solution
- Short-Circuit, Thermal Protections
- 6.67ms Internal Soft-Start Minimizes Inrush Current
- Current-Mode Control Architecture
- Up to 42V Input Voltage Tolerance
MAX20069B Automotive I2C-Controlled 4-Channel 150mA Backlight Driver and 4-Output TFT-LCD Bias
The MAX20069B is a highly integrated TFT power supply and LED backlight driver IC for automotive...
- 4-Output TFT-LCD Bias Power
- 2.8V to 5.5V Input for the TFT-LCD Section
- Integrated 440kHz or 2.2MHz Boost and Buck-Boost Converters
- Positive and Negative 3mA Gate Voltage Regulators with Adjustable Output Voltage
- Flexible Resistor-Programmable Sequencing through the SEQ Pin
- Undervoltage Detection on All Outputs
- Low-Quiescent-Current Standby Mode
- 4-Channel LED Backlight Driver
- Up to 150mA Current per Channel
- 4.5V to 42V Input Voltage Range
- Integrated Boost/SEPIC Controller (440kHz or 2.2MHz)
- Dimming Ratio 10,000:1 at 200Hz
- Adaptive Voltage Optimization to Reduce Power Dissipation in the LED Current Sinks
- Open-String, Shorted-LED, and Short-to-GND Diagnostics
- Low EMI
- Phase-Shift Dimming of LED Strings
- Spread Spectrum on LED Driver and TFT
- Selectable Switching Frequency with Fine-Tuning via I2C
- I2C Interface for Control and Diagnostics
- Fault Indication through the FLTB pin and I2C
- Overload and Thermal Protection
- -40°C to +105°C Ambient Temperature Operation
- 40-Pin (6mm x 6mm) TQFN Package with Exposed Pad
MAX38802 Integrated, Step-Down Switching Regulators with Selectable Applications Configurations
The MAX38802/MAX38803 are fully-integrated, highly efficient switching regulators for applicatio...
- High-Efficiency Solution
- Up to 97% Peak
- Up to 87% Full-Load
- Up to 96% Light-Load Efficiency at 1A with DCM Enabled
- Flexible Design Allows Early PCB Definition
- Footprint Compatible with MAX38800 (9A) and MAX38801 (15A)
- Programmable Switching Frequency Up to 1MHz
- Programmable Soft-Start and STAT Delay Timings
- Programmable Reference Voltage with External Input Option
- Programmable Positive and Negative OCP Limit
- Advanced Architecture, Protection and Reporting Guarantees Reliable Designs
- Analog Current or Temperature Reporting
- Differential Remote Sense with Open-Circuit Detection
- Fast Transient Response with Quick-PWM™ Architecture
- Percentage-Based Output Power Good and OVP
- Open-Drain Status Indicator (STAT) Pin
- Input Undervoltage and Overvoltage Lockout
- Adaptive Dead Time Control
- Saves Board Space
- Integrated Boost Switch
- 27-Bump WLCSP (2.2mm x 3.8mm) Footprint
- Operation Using Ceramic Input and Output Capacitors
MAX38803 Integrated, Step-Down Switching Regulators with Selectable Applications Configurations
The MAX38802/MAX38803 are fully-integrated, highly efficient switching regulators for applicatio...
- High-Efficiency Solution
- Up to 97% Peak
- Up to 87% Full-Load
- Up to 96% Light-Load Efficiency at 1A with DCM Enabled
- Flexible Design Allows Early PCB Definition
- Footprint Compatible with MAX38800 (9A) and MAX38801 (15A)
- Programmable Switching Frequency Up to 1MHz
- Programmable Soft-Start and STAT Delay Timings
- Programmable Reference Voltage with External Input Option
- Programmable Positive and Negative OCP Limit
- Advanced Architecture, Protection and Reporting Guarantees Reliable Designs
- Analog Current or Temperature Reporting
- Differential Remote Sense with Open-Circuit Detection
- Fast Transient Response with Quick-PWM™ Architecture
- Percentage-Based Output Power Good and OVP
- Open-Drain Status Indicator (STAT) Pin
- Input Undervoltage and Overvoltage Lockout
- Adaptive Dead Time Control
- Saves Board Space
- Integrated Boost Switch
- 27-Bump WLCSP (2.2mm x 3.8mm) Footprint
- Operation Using Ceramic Input and Output Capacitors
MAX17291 High-Voltage, 1A Micropower Boost Converter with Short-Circuit Protection and True Shutdown
The MAX17291 is a low quiescent current boost (step-up) DC-DC converter with a 1A peak inductor ...
- 28μA Quiescent Supply Current from Input
- Output Short-Circuit Protection
- Overtemperature Protection
- Constant Frequency in CCM
- True Shutdown Mode
- 0.05μA Shutdown Current
- No Reverse Current from OUT
- 91% Peak Efficiency
- 1.8V to 5.5V Input Range
- 5.5V to 20V Output Voltage Range
- 1A Peak Inductor Current Limit
- Multiple Package Options
- 1.27mm x 0.87mm, 6-Bump (3 x 2), 0.4mm Pitch WLP
- 2mm x 2mm, 8-Pin TDFN
- -40°C to +125°C Operating Temperature Range
MAX16171EVKIT Evaluation Kit for the MAX16171
The MAX16171 EV kit is designed to evaluate the MAX16171, an ideal diode controller that protect...
- 4V to 57V Operating Voltage Range
- Shutdown Mode Jumper
- -40°C to +125°C Temperature Range
- Lead(Pb)-Free and RoHS Compliant
- Proven PCB Layout
- Fully Assembled and Tested
MAX17576 4.5V to 60V, 4A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation
The Himalaya series of voltage regulator ICs, power modules, and chargers enable cooler, smaller...
- Reduces External Components and Total Cost
- No Schottky-Synchronous Operation
- Internal Compensation for Any Output Voltage
- All-Ceramic Capacitors, Compact Layout
- Reduces Number of DC-DC Regulators to Stock
- Wide 4.5V to 60V Input
- Adjustable Output Voltage Range from 0.9V up to 90% of VIN
- 100kHz to 2.2MHz Adjustable Switching Frequency with External Clock Synchronization
- Reduces Power Dissipation
- Peak Efficiency of 94.8%
- PFM and DCM Modes Enable Enhanced Light-Load Efficiency
- Auxiliary Bootstrap Supply (EXTVCC) for Improved Efficiency
- 2.8µA Shutdown Current
- Operates Reliably in Adverse Industrial Environments
- Hiccup Mode Overload Protection and Auto-Retry Startup
- Adjustable Soft-Start and Prebiased Power-Up
- Built-In Output-Voltage Monitoring with Active-Low RESET
- Programmable EN/UVLO Threshold
- Monotonic Startup Into Prebiased Output Load
- Overtemperature Protection
- Wide -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range
EE-Sim® Design Tool
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