MAX77961B

PRODUCTION

25VIN, 3AOUT to 6AOUT, USB-C Buck-Boost Charger with Integrated FETs for 2S/3S Li-Ion Batteries

Industry's Highest Efficiency USB Type-C/Power Delivery Buck-Boost Charger with Integrated FETs and Power Path

Data Sheet (Rev. 0) Product Selection Table
Part Models
4
1ku List Price
Starting From $3.00
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Part Details

  • 3.5V to 25.4V Input Operating Range, 30VDC Withstand
  • 97% Peak Efficiency for 2S Battery at 9VIN/7.4VOUT/1.5AOUT
  • 97% Peak Efficiency for 3S Battery at 15VIN/12.6VOUT/2AOUT
  • MAX77960B
    • 100mA to 3.15A Programmable Input Current Limit
    • 100mA to 3A Programmable Constant Current Charge
  • MAX77961B
    • 100mA to 6.3A Programmable Input Current Limit
    • 100mA to 6A Programmable Constant Current Charge​
  • Remote Differential Voltage Sensing
  • 600kHz or 1.2MHz Switching Frequency Options
  • System Instant On with Smart Power Selector Power Path
  • ​Charge Safety Timer
  • Die Temperature Regulation with Thermal Foldback Loop
  • Input Power Management with Adaptive Input Current Limit (AICL) and Input Voltage Regulation
  • 10mΩ BATT to SYS Switch, up to 10A Overcurrent Threshold
  • ​Reverse Buck Mode 5.1V/3A to Support USB OTG
  • JEITA Compliant with NTC Thermistor Monitor
  • I2C or Resistor Programmable
  • 4mm x 4mm, 30-Lead FC2QFN 
MAX77961B
25VIN, 3AOUT to 6AOUT, USB-C Buck-Boost Charger with Integrated FETs for 2S/3S Li-Ion Batteries
MAX77960B/MAX77961B Simplified Block Diagram MAX77960B/MAX77961B Pin Configuration
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Documentation

Data Sheet 1

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Hardware Ecosystem

Parts Product Life Cycle Description
Switching Battery Chargers 1
MAX77962
PRODUCTION 23VIN 3.2AOUT USB-C Buck-Boost Charger with Integrated FETs for 2S Li-Ion Batteries
USB Charger Detectors 1
MAX77958
PRODUCTION Standalone USB Type-C and USB Power Delivery Controller
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Tools & Simulations

Software Development 1

Evaluation Kits

eval board
schematic 1
MAX77960BEVKIT06

Evaluation Kit for the MAX77960B/MAX77961B

Buy Now View Details

Features and Benefits

  • Evaluates the MAX77960B/MAX77961B USB Type-C Buck-Boost Chargers with Integrated FETs for 2S/3S Li-Ion Batteries
  • Demonstrates 3.5V to 25.4V Input Operating Range
  • Demonstrates Charging Up to 3A (MAX77960B)/6A (MAX77961B)
  • Demonstrates USB-OTG Functionality
  • Demonstrates JEITA Compliance with On-Board Dummy Thermistors
  • Assembled and Tested
  • I2C Serial Interface

Product Details

The MAX77960B/MAX77961B evaluation kit (EV kit) is a fully assembled and tested surface-mount printed circuit board (PCB) that evaluates the MAX77960B/MAX77961B, 3A/6A USB Type-C® buck-boost chargers.

The MAX77960B/MAX77961B EV kit includes the IC evaluation board with integrated I2C communication interface and USB micro-B cable. Windows®-based graphical user interface (GUI) software is available for use with the EV kit and can be downloaded here. Windows 7 or newer is required to use with the EV kit GUI software.

 

Applications

  • 2- and 3-Cell Battery-Powered Devices
  • Battery Backup
  • Digital Still, Video, and Action Cameras
  • Drones
  • Handheld Computers and Terminals
  • Handheld Radios
  • Medical Devices, Health and Fitness Monitors
  • Power Tools
  • Smartphones, Tablets, and 2-in-1 Laptops
  • USB Type-C Powered Wide-Input Charging Applications
  • Wireless Speakers

eval board
schematic 2
MAX77960BEVKIT12

Evaluation Kit for the MAX77960B/MAX77961B

Buy Now View Details

Features and Benefits

  • Evaluates the MAX77960B/MAX77961B USB Type-C Buck-Boost Chargers with Integrated FETs for 2S/3S Li-Ion Batteries
  • Demonstrates 3.5V to 25.4V Input Operating Range
  • Demonstrates Charging Up to 3A (MAX77960B)/6A (MAX77961B)
  • Demonstrates USB-OTG Functionality
  • Demonstrates JEITA Compliance with On-Board Dummy Thermistors
  • Assembled and Tested
  • I2C Serial Interface

Product Details

The MAX77960B/MAX77961B evaluation kit (EV kit) is a fully assembled and tested surface-mount printed circuit board (PCB) that evaluates the MAX77960B/MAX77961B, 3A/6A USB Type-C® buck-boost chargers.

The MAX77960B/MAX77961B EV kit includes the IC evaluation board with integrated I2C communication interface and USB micro-B cable. Windows®-based graphical user interface (GUI) software is available for use with the EV kit and can be downloaded here. Windows 7 or newer is required to use with the EV kit GUI software.

Applications

  • 2- and 3-Cell Battery-Powered Devices
  • Battery Backup
  • Digital Still, Video, and Action Cameras
  • Drones
  • Handheld Computers and Terminals
  • Handheld Radios
  • Medical Devices, Health and Fitness Monitors
  • Power Tools
  • Smartphones, Tablets, and 2-in-1 Laptops
  • USB Type-C Powered Wide-Input Charging Applications
  • Wireless Speakers

eval board
schematic 3
MAX77961BEVKIT06

Evaluation Kit for the MAX77960B/MAX77961B

Buy Now View Details

Features and Benefits

  • Evaluates the MAX77960B/MAX77961B USB Type-C Buck-Boost Chargers with Integrated FETs for 2S/3S Li-Ion Batteries
  • Demonstrates 3.5V to 25.4V Input Operating Range
  • Demonstrates Charging Up to 3A (MAX77960B)/6A (MAX77961B)
  • Demonstrates USB-OTG Functionality
  • Demonstrates JEITA Compliance with On-Board Dummy Thermistors
  • Assembled and Tested
  • I2C Serial Interface

Product Details

The MAX77960B/MAX77961B evaluation kit (EV kit) is a fully assembled and tested surface-mount printed circuit board (PCB) that evaluates the MAX77960B/MAX77961B, 3A/6A USB Type-C® buck-boost chargers.

The MAX77960B/MAX77961B EV kit includes the IC evaluation board with integrated I2C communication interface and USB micro-B cable. Windows®-based graphical user interface (GUI) software is available for use with the EV kit and can be downloaded here. Windows 7 or newer is required to use with the EV kit GUI software.

 

Applications

  • 2- and 3-Cell Battery-Powered Devices
  • Battery Backup
  • Digital Still, Video, and Action Cameras
  • Drones
  • Handheld Computers and Terminals
  • Handheld Radios
  • Medical Devices, Health and Fitness Monitors
  • Power Tools
  • Smartphones, Tablets, and 2-in-1 Laptops
  • USB Type-C Powered Wide-Input Charging Applications
  • Wireless Speakers

eval board
schematic 4
MAX77961BEVKIT12

Evaluation Kit for the MAX77960B/MAX77961B

Buy Now View Details

Features and Benefits

  • Evaluates the MAX77960B/MAX77961B USB Type-C Buck-Boost Chargers with Integrated FETs for 2S/3S Li-Ion Batteries
  • Demonstrates 3.5V to 25.4V Input Operating Range
  • Demonstrates Charging Up to 3A (MAX77960B)/6A (MAX77961B)
  • Demonstrates USB-OTG Functionality
  • Demonstrates JEITA Compliance with On-Board Dummy Thermistors
  • Assembled and Tested
  • I2C Serial Interface

Product Details

The MAX77960B/MAX77961B evaluation kit (EV kit) is a fully assembled and tested surface-mount printed circuit board (PCB) that evaluates the MAX77960B/MAX77961B, 3A/6A USB Type-C® buck-boost chargers.

The MAX77960B/MAX77961B EV kit includes the IC evaluation board with integrated I2C communication interface and USB micro-B cable. Windows®-based graphical user interface (GUI) software is available for use with the EV kit and can be downloaded here. Windows 7 or newer is required to use with the EV kit GUI software.

 

Applications

  • 2- and 3-Cell Battery-Powered Devices
  • Battery Backup
  • Digital Still, Video, and Action Cameras
  • Drones
  • Handheld Computers and Terminals
  • Handheld Radios
  • Medical Devices, Health and Fitness Monitors
  • Power Tools
  • Smartphones, Tablets, and 2-in-1 Laptops
  • USB Type-C Powered Wide-Input Charging Applications
  • Wireless Speakers
MAX77960BEVKIT06
Evaluation Kit for the MAX77960B/MAX77961B
MAX77960BEVKIT06, MAX77960BEVKIT12, MAX77961BEVKIT06, MAX77961BEVKIT12: Board Photo
MAX77960BEVKIT12
Evaluation Kit for the MAX77960B/MAX77961B
MAX77960BEVKIT06, MAX77960BEVKIT12, MAX77961BEVKIT06, MAX77961BEVKIT12: Board Photo
MAX77961BEVKIT06
Evaluation Kit for the MAX77960B/MAX77961B
MAX77960BEVKIT06, MAX77960BEVKIT12, MAX77961BEVKIT06, MAX77961BEVKIT12: Board Photo
MAX77961BEVKIT12
Evaluation Kit for the MAX77960B/MAX77961B
MAX77960BEVKIT06, MAX77960BEVKIT12, MAX77961BEVKIT06, MAX77961BEVKIT12: Board Photo

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