MAX77751

PRODUCTION

3.15A USB Type-C Autonomous Charger for 1-Cell Li+ Batteries

Industry's First Autonomous Charger with Integrated USB Type-C Detection

Part Models
16
1ku List Price
Starting From $1.49
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Part Details

  • 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 USB Detection
    • CC Detection for USB Type-C
    • BC1.2 Detection for Legacy SDP, DCP, and CDP
    • Automatic Input Current Limit Configuration
    • Input Voltage Regulation with Adaptive Input Current Limit (AICL)
  • Reverse Boost Capability up to 5.1V, 1.5A
  • Pin Control of All Functions
    • Resistor-Configurable Fast-Charge Current
    • Resistor-Configurable Top-Off Current
    • ENBST Pin to Enable and Disable Reverse Boost
    • STAT Pin to Indicate Charging Status
    • INOKB Pin to Indicate Input Power-OK (POK)
    • ITOPOFF Pin to Disable Charge
  • Integrated Battery True-Disconnect FET
  • 3mm x 3mm, 24 Lead FC2QFN Package
MAX77751
3.15A USB Type-C Autonomous Charger for 1-Cell Li+ Batteries
MAX77751: Simplified Block Diagram
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Documentation

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Hardware Ecosystem

Parts Product Life Cycle Description
Product 1
MAX8903 2A 1-Cell Li+ DC-DC Charger for USB and Adapter Power
Switching Battery Chargers 2
MAX77840 PRODUCTION 3A Buck Charger with ModelGauge m5 Fuel Gauge and USB BC1.2 Detection
MAX77818 PRODUCTION Dual Input, Power Path, 3A Switching Mode Charger with Fuel Gauge
USB Charger Detectors 1
MAX77860 PRODUCTION USB Type-C, 3A Switch-Mode Buck Charger with Integrated CC Detection, Reverse Boost, and ADC
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Evaluation Kits

eval board
MAX77751FEVKIT

Evaluation Kit for the MAX77751

Features and Benefits

  • Up to 16V Protection
  • 14V Maximum Input Operating Voltage
  • 3.15A Maximum Charging Current
  • 6A Discharge Current Protection
  • No Firmware or Communication Required
  • Integrated USB Detection
    • Integrated CC Detection for USB Type-C
    • Integrated BC1.2 Detection for Legacy SDP, DCP, and CDP
    • Automatic Input Current Limit Configuration
  • Input Voltage Regulation with Adaptive Input Current Limit (AICL)
  • Reverse-Boost Capability up to 5.1V, 1.5A
  • Pin Control of All Functions
    • Resistor-Configurable Fast-Charge Current
    • Resistor-Configurable Top-off Current
    • ENBST Pin to Enable and Disable Reverse Boost
    • STAT Pin to Indicate Charging Status
    • INOKB Pin to Indicate Input Power-OK (POK)
    • ITOPOFF Pin to Disable Charge
  • Integrated Power Path
  • Integrated Battery True-Disconnect FET
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX77751 evaluation kit (EV kit) is a fully assembled and tested printed circuit board (PCB) that demonstrates the MAX77751, the standalone 3.15A USB Type-C® autonomous charger.

The EV kit is a switch-mode charger and Smart Power Selector™ with autonomous configuration. The MAX77751 can operate from 4.5V to 14V input, with the fast-charge current up to 3.15A and maximum input current limit of 3A.

The EV kit features USB Type-C CC detection, battery charging compliant with the USB Battery Charging Specification Revision 1.2 (BC1.2), proprietary adapter detection upon input insertion, and automatic configuration of the charger input current limit to the maximum allowable current from the input source.

The MAX77751 has the reverse-boost capability, which is enabled by the ENBST pin to allow the 5.1V/1.5A output to CHGIN.

Applications

  • Charging Cradles for Wearable Devices
  • GPS Trackers
  • Mobile Point-of-Sale (mPOS) Terminals
  • Mobile Routers
  • Portable Medical Devices
  • Power Banks
  • Wireless Headphones

eval board
MAX77751CEVKIT

Evaluation Kit for the MAX77751

Features and Benefits

  • Up to 16V Protection
  • 14V Maximum Input Operating Voltage
  • 3.15A Maximum Charging Current
  • 6A Discharge Current Protection
  • No Firmware or Communication Required
  • Integrated USB Detection
    • Integrated CC Detection for USB Type-C
    • Integrated BC1.2 Detection for Legacy SDP, DCP, and CDP
    • Automatic Input Current Limit Configuration
  • Input Voltage Regulation with Adaptive Input Current Limit (AICL)
  • Reverse-Boost Capability up to 5.1V, 1.5A
  • Pin Control of All Functions
    • Resistor-Configurable Fast-Charge Current
    • Resistor-Configurable Top-off Current
    • ENBST Pin to Enable and Disable Reverse Boost
    • STAT Pin to Indicate Charging Status
    • INOKB Pin to Indicate Input Power-OK (POK)
    • ITOPOFF Pin to Disable Charge
  • Integrated Power Path
  • Integrated Battery True-Disconnect FET
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX77751 evaluation kit (EV kit) is a fully assembled and tested printed circuit board (PCB) that demonstrates the MAX77751, the standalone 3.15A USB Type-C® autonomous charger.

The EV kit is a switch-mode charger and Smart Power Selector™ with autonomous configuration. The MAX77751 can operate from 4.5V to 14V input, with the fast-charge current up to 3.15A and maximum input current limit of 3A.

The EV kit features USB Type-C CC detection, battery charging compliant with the USB Battery Charging Specification Revision 1.2 (BC1.2), proprietary adapter detection upon input insertion, and automatic configuration of the charger input current limit to the maximum allowable current from the input source.

The MAX77751 has the reverse-boost capability, which is enabled by the ENBST pin to allow the 5.1V/1.5A output to CHGIN.

Applications

  • Charging Cradles for Wearable Devices
  • GPS Trackers
  • Mobile Point-of-Sale (mPOS) Terminals
  • Mobile Routers
  • Portable Medical Devices
  • Power Banks
  • Wireless Headphones

MAX77751FEVKIT
Evaluation Kit for the MAX77751
MAX77751CEVKIT, MAX77751FEVKIT: Board Photo
MAX77751CEVKIT
Evaluation Kit for the MAX77751
MAX77751CEVKIT, MAX77751FEVKIT: Board Photo

Reference Designs

MAXREFDES1302
MAXREFDES1302 Circuits from the lab

Analog Devices 1-Wire True Wireless Stereo (TWS) Cradle and Earbuds

Features and Benefits

Features

  • Integrated solution
  • Small size
  • Low power
  • High accuracy
  • Low cost
MAXREFDES1302
Analog Devices 1-Wire True Wireless Stereo (TWS) Cradle and Earbuds
MAXREFDES1302

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