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IS31PW8200 - LI+ DUAL BATTERY CONTROLLER

General Description

The IS31PW8200 is a highly integrated IC to serve as the control logic for a system with multiple power sources.

It integrates a mini-charger’s path power MOS with a switchable bulk and saves the external diode in mini-charger path.

Key Features

  • 2.4V to 5.5V supply voltage.
  • I2C interface.
  • Complete power path management for dual battery systems.
  • Dual battery status monitor.
  • Integrated charger path switches.
  • Hardware reset function.
  • Operating temperature TA =.
  • 40°C ~ 85°C.
  • QFN-20 (3mm × 3mm) package.

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IS31PW8200 LI+ DUAL BATTERY CONTROLLER GENERAL DESCRIPTION The IS31PW8200 is a highly integrated IC to serve as the control logic for a system with multiple power sources. It integrates a mini-charger’s path power MOS with a switchable bulk and saves the external diode in mini-charger path. Also, it directly drives the internal P-channel MOSFETs to select the power path for the system and manages dual battery sources for charge and discharge. The power path selection is made based on the present voltage of the power sources and the state of charge of the batteries. Additionally, IS31PW8200 integrates an I2C block to communicate with the Base Band. At start up, the baseband reads out the status of the dual battery sources.