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Features and Benefits

  • Up to 16V Protection
  • 13.4V 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)
  • 5.1V, 1.5A OTG Mode and BYP Reverse Boost
  • Safety
    • Charge Safety Timer
    • JEITA Compliance with NTC Thermistor Monitor
    • Thermal Shutdown
  • Pin Control of all Functions
    • Resistor Configurable Fast-Charge Current/Input Current Limit/Termination Voltage
    • ENBST Pin to Enable and Disable Reverse Boost
    • STAT Pin to Indicate Charging Status
    • INOKB Pin to Indicate Input Power-OK
    • CHGENB Pin to Enable and Disable Charging
    • STBY Pin to Support Suspend Mode
    • THM Pin to Monitor Thermistor
  • Integrated Power Path
  • Integrated Battery True-Disconnect FET
  • 2.758mm x 2.758mm, 6 x 6 WLP

Product Details

The MAX77787 is a standalone, 3.15A charger with integrated USB Type-C® CC detection and reverse-boost capability. The fast-charge current and termination voltage is easily configured with resistors. The IC operates with an input voltage of 4.5V to 13.4V 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 IC enable automatic USB Type-C power source detection and input current limit configuration without any software control as soon as the USB plug is inserted. The IC also integrates BC1.2 and proprietary adapter detection using the D+ and D- pins.

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

The IC is equipped with a Smart Power Selector™ and a battery true-disconnect FET to control the charging and discharging of the battery or isolate the battery in case of a fault. The IC supports Li-ion batteries with JEITA compliance. It also has another option that supports LiFePO4 batteries with non-JEITA compliance. The IC comes in a 2.758mm x 2.758mm, 0.4mm pitch, 6 x 6 wafer-level package (WLP) making it suitable for low-cost PCB assembly.


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

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits (2)

Product Recommendations

MAX77787 Companion Parts

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Design Resources

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.

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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.