bq27500 - Texas Instruments

bq27500 System-Side Impedance Track Fuel Gauge

The Texas Instruments bq27500/01 system-side Li-Ion battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell Li-Ion battery packs. The device requires little system microcontroller firmware development. The bq27500/01 resides on the system main board, and manages an embedded battery (non-removable) or a removable battery .

Features

• Battery Fuel Gauge for 1-Series Li-Ion Applications
• Resides on System Main Board
  – Works With Embedded or Removable Battery Packs
• Two Varieties
  – bq27500: Uses PACK+, PACK
  –, and T Battery Terminals
  – bq27501: Works With Battery ID Resistor in Battery Pack
• Microcontroller Peripheral Provides:
  – Accurate Battery Fuel Gauging
  – Internal Temperature Sensor for System Temperature Reporting
  – Battery Low Interrupt Warning
  – Battery Insertion Indicator
  – Battery ID Detection
  – 96 Bytes of Non-Volatile Scratch-Pad FLASH
• Battery Fuel Gauge Based on Patented Impedance Track™ Technology
  – Model.