EVAL-MAX77985-77986 Evaluation Board

Overview

Features and Benefits
Product Details

Features and Benefits

High-Efficiency Single-Cell Switching Charger
- Up to 5.5A Charging with MAX77986
- 92% Buck Efficiency at 4A, 12V Input
+28V Absolute Maximum Input Voltage Rating
4.7V to 19V Input Operating Voltage Range
Reverse Boost with Programmable Output Voltage Options up to 12V
Charge Status Output for LED
Push-Button Input for Exiting from Ship Mode
External Discharge FET Enable Output
Dedicated Input for Suspend Mode (SUSPND)
Spread Spectrum for Noise Sensitive Applications

Programmable Unplug Detection for 9V and 15V Source
USB Type-C Standalone Controller Support Customizable Firmware
USB Type-C Version 1.3 and PD 3.0 Compliant
Sink/Source/DRP Port Support
PPS Sink Support
Fast Role Swap Initial Sink Support
Integrated VCONN Switch with OCP
Support Try.Snk
Support BC1.2 Legacy Charger Detection

Product Details

The MAX77985/MAX77986 evaluation kit (EV kit) is a fully assembled and tested printed circuit board (PCB) that demonstrates the MAX77985A/MAX77985B/MAX77986A/ MAX77986B single-cell lithium-ion battery charger.

The MAX7798XX series of IC is for 1S Li+ battery applications and can operate with a 4.7V to 19V input voltage with a maximum charging current of 3.5/5.5A. The IC offers a reverse boost as well as fully integrated low power loss switches to provide a small solution size and high efficiency. The EV kit demonstrates the performance of the IC and provides the convenience of evaluating full USB Type-C® PD solutions with the MAX77958 USB Type-C PD controller. This combination allows fast charging of the battery through the USB Type-C port as well as reverse powering the USB Type-C port with battery OTG mode.

A Micro-B USB cable is included in the package to serve as the interface from a USB port on a Windows PC to the slave I²C port on the IC. Windows®-based graphical user interface (GUI) software provides a user-friendly interface to exercise the features of the IC.