MAX77757
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MAX77757

3.15A USB Type-C Autonomous Charger with JEITA for 1-Cell Li-ion/LiFePO4 Batteries

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Autonomous USB Type-C Charger with JEITA

Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
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Part Models 10
1ku List Price Starting From $1.57
Features
  • 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
Additional Details
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The MAX77757 is a standalone 3.15A charger with integrated USB Type-C®CC detection with JEITA compliance that supports reverse boost capability. The fast-charge current is easily configured with resistors. The MAX77757 operates with an input voltage of 4.5V to 13.7V and has a maximum input current limit of 3A. The IC also implements the adaptive input current limit (AICL) function that regulates the input voltage by reducing input current to prevent the voltage of a weak adapter from collapsing or folding back.

The USB Type-C Configuration Channel (CC) detection pins on the MAX77757 enable automatic USB Type-C power source detection and input current limit configuration. To support a variety of legacy USB types as well as proprietary adapters, the IC also integrates BC1.2 detection using the D+ and D- pins. The IC runs the CC pin and BC1.2 detection automatically as soon as a USB plug is inserted without any software control.

The IC also offers reverse-boost capability up to 5.1V and 1.5A, which can be enabled with the ENBST pin. The STAT pin indicates charging status while the INOKB pin indicates valid input voltage. Charging can be stopped by pulling the THM pin low.

The MAX77757 is equipped with a Smart Power Selector™ and a battery true-disconnect FET to control the charging and discharging of the battery or to isolate the battery in case of a fault. The MAX77757 is offered in several variants to support Li-ion batteries with various termination voltages from 4.1V to 4.5V. It also has a 3.6V termination voltage option for LiFePO4 batteries. The IC comes in a 3mm x 3mm, 0.4mm pitch, 24-lead FC2QFN package making it suitable for low-cost PCB assembly.

Applications

  • Mobile Point-of-Sale (mPOS) Terminals
  • Portable Medical Devices
  • Wireless Headphones
  • GPS Trackers
  • Charging Cradles for Wearable Devices
  • Power Banks
  • Mobile Routers
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Part Models 10
1ku List Price Starting From $1.57
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MAX77757

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UPDATED 07/01/2021
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MAX77757: 3.15A USB Type-C Autonomous Charger with JEITA for 1-Cell Li-ion/LiFePO4 Batteries Data Sheet (Rev.2)

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UPDATED 07/09/2024
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Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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MAX77789
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RECOMMENDED FOR NEW DESIGNS

14VIN, 3AOUT 1-Cell Charger with Integrated USB Type-C Detection, DRP and OTG

MAX77787
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RECOMMENDED FOR NEW DESIGNS

3.15A USB Type-C Autonomous Charger with JEITA for 1-Cell Li-ion/LiFePO4 Batteries

Evaluation Kits 3

MAX77757JEVKIT435

Evaluation Kit for the MAX77757

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MAX77757JEVKIT435

Evaluation Kit for the MAX77757

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MAX77757JEVKIT435
Evaluation Kit for the MAX77757

Features and Benefits

  • 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
    • 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
  • 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 (POK)
    • THM Pin to Disable Charge
  • Integrated Power Path
  • Integrated Battery True-Disconnect FET
  • Proven PCB Layout
  • Fully Assembled and Tested
Buy Now View Details

Product Detail

The MAX77757 evaluation kit (EV kit) is a fully assembled and tested printed circuit board (PCB) that demonstrates the MAX77757, the standalone 3.15A USB Type-C® autonomous charger with JEITA.

The MAX77757 can operate from 4.5V to 13.7V input, with a fast-charge current up to 3.15A and a maximum input current limit of 3A. The MAX77757 is offered in several variants to support Li-ion batteries with various termination voltages from 4.1V to 4.5V. It also has a 3.6V termination voltage option for LiFePO4 batteries.

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 MAX77757 has the reverse-boost capability, which is enabled by the ENBST pin to allow the 5.1V/1.5A output to CHGIN. The EV kit includes the variable resistor and thermistor to demonstrate the JEITA compliance.

Applications

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

MAX77757JEVKIT420

Evaluation Kit for the MAX77757

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MAX77757JEVKIT420

Evaluation Kit for the MAX77757

download icon

Download

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Print
MAX77757JEVKIT420
Evaluation Kit for the MAX77757

Features and Benefits

  • 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
    • 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
  • 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 (POK)
    • THM Pin to Disable Charge
  • Integrated Power Path
  • Integrated Battery True-Disconnect FET
  • Proven PCB Layout
  • Fully Assembled and Tested
Buy Now View Details

Product Detail

The MAX77757 evaluation kit (EV kit) is a fully assembled and tested printed circuit board (PCB) that demonstrates the MAX77757, the standalone 3.15A USB Type-C® autonomous charger with JEITA.

The MAX77757 can operate from 4.5V to 13.7V input, with a fast-charge current up to 3.15A and a maximum input current limit of 3A. The MAX77757 is offered in several variants to support Li-ion batteries with various termination voltages from 4.1V to 4.5V. It also has a 3.6V termination voltage option for LiFePO4 batteries.

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 MAX77757 has the reverse-boost capability, which is enabled by the ENBST pin to allow the 5.1V/1.5A output to CHGIN. The EV kit includes the variable resistor and thermistor to demonstrate the JEITA compliance.

Applications

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

MAX77757HEVKIT360

Evaluation Kit for the MAX77757

zoom

MAX77757HEVKIT360

Evaluation Kit for the MAX77757

download icon

Download

 print icon

Print
MAX77757HEVKIT360
Evaluation Kit for the MAX77757

Features and Benefits

  • 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
    • 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
  • 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 (POK)
    • THM Pin to Disable Charge
  • Integrated Power Path
  • Integrated Battery True-Disconnect FET
  • Proven PCB Layout
  • Fully Assembled and Tested
Buy Now View Details

Product Detail

The MAX77757 evaluation kit (EV kit) is a fully assembled and tested printed circuit board (PCB) that demonstrates the MAX77757, the standalone 3.15A USB Type-C® autonomous charger with JEITA.

The MAX77757 can operate from 4.5V to 13.7V input, with a fast-charge current up to 3.15A and a maximum input current limit of 3A. The MAX77757 is offered in several variants to support Li-ion batteries with various termination voltages from 4.1V to 4.5V. It also has a 3.6V termination voltage option for LiFePO4 batteries.

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 MAX77757 has the reverse-boost capability, which is enabled by the ENBST pin to allow the 5.1V/1.5A output to CHGIN. The EV kit includes the variable resistor and thermistor to demonstrate the JEITA compliance.

Applications

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

Evaluation Kits3

MAX77757JEVKIT435

Evaluation Kit for the MAX77757

MAX77757JEVKIT420

Evaluation Kit for the MAX77757

MAX77757HEVKIT360

Evaluation Kit for the MAX77757

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