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ISL88731A - SMBus Level 2 Battery Charger

Features

  • 0.5% Battery Voltage Accuracy.
  • 3% Adapter Current Limit Accuracy.
  • 3% Charge Current Accuracy.
  • SMBus 2 Wire Serial Interface.
  • Battery Short Circuit Protection.
  • Fast Response for Pulse-Charging.
  • Fast System-Load Transient Response.
  • Monitor Outputs - Adapter Current (3% Accuracy) - AC-Adapter Detection.
  • 11-Bit Battery Voltage Setting.
  • 6 Bit Charge Current/Adapter Current Setting.
  • 8A Maximum Battery C.

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Datasheet preview – ISL88731A

Datasheet Details

Part number ISL88731A
Manufacturer Renesas Electronics
File Size 1.09 MB
Description SMBus Level 2 Battery Charger
Datasheet download datasheet ISL88731A Datasheet
Additional preview pages of the ISL88731A datasheet.

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Full PDF Text Transcription

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ICM SDA SCL VDDSM B GND ACOK NC ISL88731A SMBus Level 2 Battery Charger The ISL88731A is a highly integrated Lithium-ion battery charger controller, programmable over the SMBus system management bus (SMBus). The ISL88731A is intended to be used in a smart battery charger (SBC) within a smart battery system (SBS) that throttles the charge power such that the current from the AC-adapter is automatically limited. High efficiency is achieved with a DC/DC synchronous-rectifier buck converter, equipped with diode emulation for enhanced light load efficiency and system bus boosting prevention. The ISL88731A charges one to four Lithium-ion series cells, and delivers up to 8A charge current. Integrated MOSFET drivers and bootstrap diode result in fewer components and smaller implementation area.
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