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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
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
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
MAX20067B Automotive 3-Channel Display Bias IC with VCOM Buffer, Level Shifter, and I2C Interface
The MAX20067/MAX20067B are complete TFT bias solution for automotive applications. It includes a...
- Versatile TFT Display Power Section
- IIntegrated Synchronous Boost Converter with Output Voltages Up to 18V and High-power (MAX20067) or Lower-power (MAX20067B) Options
- Integrated Charge-Pump Drivers for the VGON (+36V, max) and VGOFF (-24V, min) Outputs
- Low EMI Operation
- Programmable Switching Frequencies of 440kHz or 2.2MHz
- Programmable Spread Spectrum
- Full Sequencing Flexibility Through I2C, Along with Preset Sequences Using SEQ Pin
- Extended Diagnostics Using I2C Interface
- Undervoltage/Overvoltage on HVINP, VGON, and VGOFF
- Overcurrent on AVDD
- Temperature Warning
- Built-In Gate-Shading Circuit Controlled by CTL Input
- 8-Bit DAC-Controlled VCOM Buffer
- Robust
- -40°C to +105°C Operating Temperature Range
- Internal Temperature Shutdown
- AEC-Q100 Qualified
- Compact 32-Pin (5mm × 5mm) TQFN Package
MAX20067 Automotive 3-Channel Display Bias IC with VCOM Buffer, Level Shifter, and I2C Interface
The MAX20067/MAX20067B are complete TFT bias solution for automotive applications. It includes a...
- Versatile TFT Display Power Section
- IIntegrated Synchronous Boost Converter with Output Voltages Up to 18V and High-power (MAX20067) or Lower-power (MAX20067B) Options
- Integrated Charge-Pump Drivers for the VGON (+36V, max) and VGOFF (-24V, min) Outputs
- Low EMI Operation
- Programmable Switching Frequencies of 440kHz or 2.2MHz
- Programmable Spread Spectrum
- Full Sequencing Flexibility Through I2C, Along with Preset Sequences Using SEQ Pin
- Extended Diagnostics Using I2C Interface
- Undervoltage/Overvoltage on HVINP, VGON, and VGOFF
- Overcurrent on AVDD
- Temperature Warning
- Built-In Gate-Shading Circuit Controlled by CTL Input
- 8-Bit DAC-Controlled VCOM Buffer
- Robust
- -40°C to +105°C Operating Temperature Range
- Internal Temperature Shutdown
- AEC-Q100 Qualified
- Compact 32-Pin (5mm × 5mm) TQFN Package
MAX636 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
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
MAX20446C Automotive 6-Channel Backlight Driver with Boost/SEPIC Controller and Hybrid Dimming
The MAX20446 is a 6-channel backlight driver with boost controller for automotive displays. The ...
- Wide-Voltage-Range Operation
- Operates Down to 4V Supply After Startup
- Survives Load Dump Up to 52V
- High Integration
- Complete 6-Channel Solution Including Boost Controller
- All Settings Performed with External Components, No Need for Microcontroller Intervention
- Robust and Low EMI
- Spread-Spectrum Oscillator
- Phase Shifting
- 400kHz to 2.2MHz Switching-Frequency Range
- Versatile Dimming Scheme Allows Hybrid or PWM Dimming
- Dimming Ratio > 10000:1 Using Hybrid Dimming
- 10000:1 Dimming Ratio at 200Hz using PWM Dimming
- Complete Fault Protection
- LED Open/Short Detection and Protection
- Boost Output Undervoltage and Overvoltage
- Thermal Shutdown
- Compact (4mm x 4mm) 24-Pin TQFN Package
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
MAX637 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
MAX17643 4.5V–60V, 2A, 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 0.9V to (0.9 × VIN) Output
- Up to 2A Peak-Load Current
- 400kHz to 2.2MHz Adjustable Switching Frequency with External Synchronization
- Reduces Power Dissipation
- Peak Efficiency of 91.6%
- Auxiliary Bootstrap LDO for Improved Efficiency
- 4.65μA Shutdown Current
- Operates Reliably in Adverse Industrial Environments
- Hiccup-Mode Overload Protection
- Adjustable Soft-Start
- Built-In Output-Voltage Monitoring with Active-Low RESET
- Programmable EN/UVLO Threshold
- Monotonic Startup into Prebiased Load
- Overtemperature Protection
- Wide Industrial -40°C to +125°C Ambient Operating Temperature Range/ -40°C to +150°C Junction Temperature Range
- Complies with CISPR22 (EN55022) Class B Conducted and Radiated Emissions
MAX20754 Dual-Output, Configurable Multiphase Power-Supply Controller with PMBus Interface and Internal Buck Converter
The MAX20754 is a PMBus™-compatible, dualoutput, configurable multiphase power-supply controller...
- Versatile and Flexible Controller
- Generates Up to Six PWM Signals
- Single- or Dual-Voltage Output with Flexible Phase Assignment
- 0.5V to 2.0V Output-Voltage Range (MAX20754ETMA1+)
- 0.25V to 2.0V Output-Voltage Range (MAX20754ETMA2+)
- 4.5V to 16V Input-Voltage Range
- 300kHz to 800kHz Switching Frequency Range
- High-Power Density in a Small Overall Solution Size
- Supports Coupled-Inductor Technology
- Advanced Modulation Scheme Improves Transient Response
- High-Loop Bandwidth Reduces Output-Capacitance Requirements
- 48-Pin (7mm x 7mm) TQFN Package
- Phase-Current Steering for Thermal Balancing
- Efficient Integrated Internal Switching Regulator Powers Controller and Power Stages
- Simple System Configuration
- Four External Resistors Set Output Voltage, Bus Address, Switching Frequency, and Current Limit
- Comprehensive PMBus Configuration, Control, and Telemetry
- Compatible with PMBus Standard, Revision 1.3
- 10kHz to 1MHz Bus Speed
- PMBus Command Settings Stored in Nonvolatile Memory
- Accurate Current, Voltage, and Temperature Reporting
MAX38912 11µVRMS Low-Noise, 500mA LDO Linear Regulators with Low-Power Mode
The MAX38911/MAX38912 are low-noise, high-PSRR PMOS linear regulators that deliver up to a 500mA...
- Deliver Wide, Flexible Operating Range
- 1.7V to 5.5V Input Supply Range
- 0.8V to 5.0V Output Voltage Range
- 500mA Maximum Output Current
- 24.3mV Dropout at 500mA Load and 5.0V Input Voltage
- 19.2µA No-Load Supply Current in Low-Power Mode
- 332µA Supply Current in Normal Mode
- <1µA Shutdown Supply Current
- Reduce Noise and Improve Accuracy
- 11µVRMS Output Noise, 10Hz to 100kHz
- 70dB PSRR at 10kHz, 250mA Load Current, and 300mV Input and Output Voltage Separation
- ±1% DC Accuracy over Load, Line, and Temperature Variations
- Enable Ease-of-Use and Robust Protection
- Stable with 2µF (Minimum Effective) Output Capacitance
- Programmable Soft-Start Rate
- Overcurrent and Overtemperature Protection
- Reverse-Current Protection
- Power-OK Output
- Reduce Size and Improve Reliability
- 1.42mm x 0.83mm, 3 x 2, 6-Bump, 0.4mm Pitch WLP
- 2mm x 2mm, 8-Pin TDFN Package
- -40°C to +125°C Operating Temperature
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
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)
- 3x Output, Single-Inductor Multiple-Output (SIMO) Buck-Boost Regulator
- 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
MAX16137 1% Accuracy Single-Window Voltage Monitor with BIST
The MAX16137 is a low-voltage, ±1% accurate supervisory circuit that monitors a single system su...
- ±1% Allow Precision Supply Monitoring
- BIST Enhances System Safety
- Enables ASIL Compliance at System Level
- Factory-Set Threshold 0.5V to 5V with 20mV Increment
- Factory-Set Input Tolerance ±4% to ±11% UV/OV Threshold Window
- Factory-Set Reset Timeout
- Latched Overvoltage Fault Output
- 5μs Overvoltage Fault Response
- Open-Drain/Push-Pull Reset Output
- 2mm x 2mm TDFN-8 Side-Wettable Package
- -40°C to +125°C Temperature Range
- AEC-Q100 Qualified
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)
- 3x Output, Single-Inductor Multiple-Output (SIMO) Buck-Boost Regulator
- 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
MAX17692B 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 (MAX17692A)
- Built-In Soft-Start
- Reduces Power Dissipation
- Delivers up to 3.5W 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 (MAX17692A)
- Overtemperature Protection
- High Industrial -40°C to +125°C Ambient Operating Temperature Range/ -40°C to +150°C Junction Temperature Range
MAX17692A 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 (MAX17692A)
- Built-In Soft-Start
- Reduces Power Dissipation
- Delivers up to 3.5W 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 (MAX17692A)
- Overtemperature Protection
- High Industrial -40°C to +125°C Ambient Operating Temperature Range/ -40°C to +150°C Junction 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
MAX38911 11µVRMS Low-Noise, 500mA LDO Linear Regulators with Low-Power Mode
The MAX38911/MAX38912 are low-noise, high-PSRR PMOS linear regulators that deliver up to a 500mA...
- Deliver Wide, Flexible Operating Range
- 1.7V to 5.5V Input Supply Range
- 0.8V to 5.0V Output Voltage Range
- 500mA Maximum Output Current
- 24.3mV Dropout at 500mA Load and 5.0V Input Voltage
- 19.2µA No-Load Supply Current in Low-Power Mode
- 332µA Supply Current in Normal Mode
- <1µA Shutdown Supply Current
- Reduce Noise and Improve Accuracy
- 11µVRMS Output Noise, 10Hz to 100kHz
- 70dB PSRR at 10kHz, 250mA Load Current, and 300mV Input and Output Voltage Separation
- ±1% DC Accuracy over Load, Line, and Temperature Variations
- Enable Ease-of-Use and Robust Protection
- Stable with 2µF (Minimum Effective) Output Capacitance
- Programmable Soft-Start Rate
- Overcurrent and Overtemperature Protection
- Reverse-Current Protection
- Power-OK Output
- Reduce Size and Improve Reliability
- 1.42mm x 0.83mm, 3 x 2, 6-Bump, 0.4mm Pitch WLP
- 2mm x 2mm, 8-Pin TDFN Package
- -40°C to +125°C Operating Temperature
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
MAX20067B Automotive 3-Channel Display Bias IC with VCOM Buffer, Level Shifter, and I2C Interface
The MAX20067/MAX20067B are complete TFT bias solution for automotive applications. It includes a...
- Versatile TFT Display Power Section
- IIntegrated Synchronous Boost Converter with Output Voltages Up to 18V and High-power (MAX20067) or Lower-power (MAX20067B) Options
- Integrated Charge-Pump Drivers for the VGON (+36V, max) and VGOFF (-24V, min) Outputs
- Low EMI Operation
- Programmable Switching Frequencies of 440kHz or 2.2MHz
- Programmable Spread Spectrum
- Full Sequencing Flexibility Through I2C, Along with Preset Sequences Using SEQ Pin
- Extended Diagnostics Using I2C Interface
- Undervoltage/Overvoltage on HVINP, VGON, and VGOFF
- Overcurrent on AVDD
- Temperature Warning
- Built-In Gate-Shading Circuit Controlled by CTL Input
- 8-Bit DAC-Controlled VCOM Buffer
- Robust
- -40°C to +105°C Operating Temperature Range
- Internal Temperature Shutdown
- AEC-Q100 Qualified
- Compact 32-Pin (5mm × 5mm) TQFN Package
MAX20067 Automotive 3-Channel Display Bias IC with VCOM Buffer, Level Shifter, and I2C Interface
The MAX20067/MAX20067B are complete TFT bias solution for automotive applications. It includes a...
- Versatile TFT Display Power Section
- IIntegrated Synchronous Boost Converter with Output Voltages Up to 18V and High-power (MAX20067) or Lower-power (MAX20067B) Options
- Integrated Charge-Pump Drivers for the VGON (+36V, max) and VGOFF (-24V, min) Outputs
- Low EMI Operation
- Programmable Switching Frequencies of 440kHz or 2.2MHz
- Programmable Spread Spectrum
- Full Sequencing Flexibility Through I2C, Along with Preset Sequences Using SEQ Pin
- Extended Diagnostics Using I2C Interface
- Undervoltage/Overvoltage on HVINP, VGON, and VGOFF
- Overcurrent on AVDD
- Temperature Warning
- Built-In Gate-Shading Circuit Controlled by CTL Input
- 8-Bit DAC-Controlled VCOM Buffer
- Robust
- -40°C to +105°C Operating Temperature Range
- Internal Temperature Shutdown
- AEC-Q100 Qualified
- Compact 32-Pin (5mm × 5mm) TQFN Package
MAX636 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
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
MAX20446C Automotive 6-Channel Backlight Driver with Boost/SEPIC Controller and Hybrid Dimming
The MAX20446 is a 6-channel backlight driver with boost controller for automotive displays. The ...
- Wide-Voltage-Range Operation
- Operates Down to 4V Supply After Startup
- Survives Load Dump Up to 52V
- High Integration
- Complete 6-Channel Solution Including Boost Controller
- All Settings Performed with External Components, No Need for Microcontroller Intervention
- Robust and Low EMI
- Spread-Spectrum Oscillator
- Phase Shifting
- 400kHz to 2.2MHz Switching-Frequency Range
- Versatile Dimming Scheme Allows Hybrid or PWM Dimming
- Dimming Ratio > 10000:1 Using Hybrid Dimming
- 10000:1 Dimming Ratio at 200Hz using PWM Dimming
- Complete Fault Protection
- LED Open/Short Detection and Protection
- Boost Output Undervoltage and Overvoltage
- Thermal Shutdown
- Compact (4mm x 4mm) 24-Pin TQFN Package
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
MAX637 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
MAX17643 4.5V–60V, 2A, 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 0.9V to (0.9 × VIN) Output
- Up to 2A Peak-Load Current
- 400kHz to 2.2MHz Adjustable Switching Frequency with External Synchronization
- Reduces Power Dissipation
- Peak Efficiency of 91.6%
- Auxiliary Bootstrap LDO for Improved Efficiency
- 4.65μA Shutdown Current
- Operates Reliably in Adverse Industrial Environments
- Hiccup-Mode Overload Protection
- Adjustable Soft-Start
- Built-In Output-Voltage Monitoring with Active-Low RESET
- Programmable EN/UVLO Threshold
- Monotonic Startup into Prebiased Load
- Overtemperature Protection
- Wide Industrial -40°C to +125°C Ambient Operating Temperature Range/ -40°C to +150°C Junction Temperature Range
- Complies with CISPR22 (EN55022) Class B Conducted and Radiated Emissions
MAX20754 Dual-Output, Configurable Multiphase Power-Supply Controller with PMBus Interface and Internal Buck Converter
The MAX20754 is a PMBus™-compatible, dualoutput, configurable multiphase power-supply controller...
- Versatile and Flexible Controller
- Generates Up to Six PWM Signals
- Single- or Dual-Voltage Output with Flexible Phase Assignment
- 0.5V to 2.0V Output-Voltage Range (MAX20754ETMA1+)
- 0.25V to 2.0V Output-Voltage Range (MAX20754ETMA2+)
- 4.5V to 16V Input-Voltage Range
- 300kHz to 800kHz Switching Frequency Range
- High-Power Density in a Small Overall Solution Size
- Supports Coupled-Inductor Technology
- Advanced Modulation Scheme Improves Transient Response
- High-Loop Bandwidth Reduces Output-Capacitance Requirements
- 48-Pin (7mm x 7mm) TQFN Package
- Phase-Current Steering for Thermal Balancing
- Efficient Integrated Internal Switching Regulator Powers Controller and Power Stages
- Simple System Configuration
- Four External Resistors Set Output Voltage, Bus Address, Switching Frequency, and Current Limit
- Comprehensive PMBus Configuration, Control, and Telemetry
- Compatible with PMBus Standard, Revision 1.3
- 10kHz to 1MHz Bus Speed
- PMBus Command Settings Stored in Nonvolatile Memory
- Accurate Current, Voltage, and Temperature Reporting
MAX38912 11µVRMS Low-Noise, 500mA LDO Linear Regulators with Low-Power Mode
The MAX38911/MAX38912 are low-noise, high-PSRR PMOS linear regulators that deliver up to a 500mA...
- Deliver Wide, Flexible Operating Range
- 1.7V to 5.5V Input Supply Range
- 0.8V to 5.0V Output Voltage Range
- 500mA Maximum Output Current
- 24.3mV Dropout at 500mA Load and 5.0V Input Voltage
- 19.2µA No-Load Supply Current in Low-Power Mode
- 332µA Supply Current in Normal Mode
- <1µA Shutdown Supply Current
- Reduce Noise and Improve Accuracy
- 11µVRMS Output Noise, 10Hz to 100kHz
- 70dB PSRR at 10kHz, 250mA Load Current, and 300mV Input and Output Voltage Separation
- ±1% DC Accuracy over Load, Line, and Temperature Variations
- Enable Ease-of-Use and Robust Protection
- Stable with 2µF (Minimum Effective) Output Capacitance
- Programmable Soft-Start Rate
- Overcurrent and Overtemperature Protection
- Reverse-Current Protection
- Power-OK Output
- Reduce Size and Improve Reliability
- 1.42mm x 0.83mm, 3 x 2, 6-Bump, 0.4mm Pitch WLP
- 2mm x 2mm, 8-Pin TDFN Package
- -40°C to +125°C Operating Temperature
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
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)
- 3x Output, Single-Inductor Multiple-Output (SIMO) Buck-Boost Regulator
- 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
MAX16137 1% Accuracy Single-Window Voltage Monitor with BIST
The MAX16137 is a low-voltage, ±1% accurate supervisory circuit that monitors a single system su...
- ±1% Allow Precision Supply Monitoring
- BIST Enhances System Safety
- Enables ASIL Compliance at System Level
- Factory-Set Threshold 0.5V to 5V with 20mV Increment
- Factory-Set Input Tolerance ±4% to ±11% UV/OV Threshold Window
- Factory-Set Reset Timeout
- Latched Overvoltage Fault Output
- 5μs Overvoltage Fault Response
- Open-Drain/Push-Pull Reset Output
- 2mm x 2mm TDFN-8 Side-Wettable Package
- -40°C to +125°C Temperature Range
- AEC-Q100 Qualified
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)
- 3x Output, Single-Inductor Multiple-Output (SIMO) Buck-Boost Regulator
- 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
MAX17692B 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 (MAX17692A)
- Built-In Soft-Start
- Reduces Power Dissipation
- Delivers up to 3.5W 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 (MAX17692A)
- Overtemperature Protection
- High Industrial -40°C to +125°C Ambient Operating Temperature Range/ -40°C to +150°C Junction Temperature Range
MAX17692A 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 (MAX17692A)
- Built-In Soft-Start
- Reduces Power Dissipation
- Delivers up to 3.5W 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 (MAX17692A)
- Overtemperature Protection
- High Industrial -40°C to +125°C Ambient Operating Temperature Range/ -40°C to +150°C Junction 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
MAX38911 11µVRMS Low-Noise, 500mA LDO Linear Regulators with Low-Power Mode
The MAX38911/MAX38912 are low-noise, high-PSRR PMOS linear regulators that deliver up to a 500mA...
- Deliver Wide, Flexible Operating Range
- 1.7V to 5.5V Input Supply Range
- 0.8V to 5.0V Output Voltage Range
- 500mA Maximum Output Current
- 24.3mV Dropout at 500mA Load and 5.0V Input Voltage
- 19.2µA No-Load Supply Current in Low-Power Mode
- 332µA Supply Current in Normal Mode
- <1µA Shutdown Supply Current
- Reduce Noise and Improve Accuracy
- 11µVRMS Output Noise, 10Hz to 100kHz
- 70dB PSRR at 10kHz, 250mA Load Current, and 300mV Input and Output Voltage Separation
- ±1% DC Accuracy over Load, Line, and Temperature Variations
- Enable Ease-of-Use and Robust Protection
- Stable with 2µF (Minimum Effective) Output Capacitance
- Programmable Soft-Start Rate
- Overcurrent and Overtemperature Protection
- Reverse-Current Protection
- Power-OK Output
- Reduce Size and Improve Reliability
- 1.42mm x 0.83mm, 3 x 2, 6-Bump, 0.4mm Pitch WLP
- 2mm x 2mm, 8-Pin TDFN Package
- -40°C to +125°C Operating Temperature
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