Overview

Features and Benefits

  • Single-Cell Switch Mode Charger
    • Up to 14V Protection
    • 4.0V to 13.5V Input Operating Range
    • Switching Charger with D+/D- Charger Detection
    • Up to 4.0A Input Current Limit with Adaptive Input Current Limit (AICL)
    • Up to 3.15A Battery Charging Current Limit
    • Optional External Sense Resistor
    • CC, CV, and Die Temperature Control
    • Supports USB-OTG Reverse Boost, up to 1.5A Current Limit
    • Master-Slave Charging Capability, up to 6A Charge Current
    • Integrated Battery True-Disconnect FET
    • Rated up to 9ARMS, Discharge Current Limit (Programmable)
  • USB Type-C Detection
    • Integrated VCONN Switch
    • CC Pin
    • D+/D- Detection for USB HVDCP
    • BC 1.2 Support
  • One Safeout LDO
  • I2C-Compatible Interface

Product Details

The MAX77860 is a high-performance single input switch mode charger that features USB Type-C CC detection capability in addition to reverse boost capability and a Safeout LDO.

This switched-mode battery charger with two integrated switches, provides small inductor and capacitor sizes, programmable battery charging current, and is ideally suited for portable devices such as smartphones, IoT devices, and other Li-ion battery powered electronics. The charger features a single input, which works for both USB and high voltage adapters. It supports USB Type-C CC detection under BC 1.2 specification, and the power-path switch is integrated in the chip. All MAX77860 blocks connected to the adapter/USB pin are protected from input overvoltage events up to 14V. The USB-OTG output provides true-load disconnect and is protected by an adjustable output current limit. It has an input current limit up to 4.0A and can charge a single-cell battery up to 3.15A. When configured in reverse-boost mode, the IC requires no additional inductors to power USB-OTG accessories. The switching charger is designed with a special CC, CV, and die temperature regulation algorithm, as well as I2C programmable settings to accommodate a wide range of battery sizes and system loads. The on-chip ADC can help monitor the charging input voltage/current, battery voltage, charging/discharging current, and the battery temperature.

The MAX77860 communicates through an I2C 3.0 compatible serial interface consisting of a bidirectional serial data line (SDA) and a serial clock line (SCL). The IC is available in a 3.9mm x 4.0mm, 81-bump (9 x 9 array), 0.4mm pitch, wafer-level package (WLP).

Design Solution: How to Shrink Your USB Type-C Battery Charger ›

Applications

  • USB Type-C Charging for 1S Li-ion Applications
  • Mobile Point-of-Sale Devices
  • Portable Medical Equipment
  • Portable Industrial Equipment

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

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MAX77860 Companion Parts

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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.