I2C Battery Fuel Gauge IC


The Texas Instruments bq27410 system-side LiCoO2 battery fuel gauge is an easy to configure microcontroller peripheral that provides fuel gauging for single-cell LiCoO2 battery packs. The device requires minimal user configurations and system microcontroller firmware development for accurate fuel gauging.

The bq27410 uses the patented Impedance Track™ algorithm for fuel gauging, and provides information such as remaining battery capacity (mAh), state-of-charge (%), and battery voltage (mV).

Battery fuel gauging with the bq27410 requires only PACK+ (P+), PACK– (P–), for a removable battery pack or embedded battery circuit. The 12-pin SON package with dimensions of 2,5 mm × 4 mm with 0.

  • Battery Fuel Gauge for 1-Series LiCoO2 battery Applications
  • Easy to Configure Battery Fuel Gauging Based on Patented Impedance Track Technology
  • Models Battery Discharge Curve for Accurate State-of-Charge Report
  • Automatically Adjusts for Battery Aging, Battery Self-Discharge, and Temperature/Rate Inefficiencies
  • Low-Value Sense Resistor (5 mΩ or 20 mΩ)
  • Resides on System Main Board
  • Works with Embedded or Removable Battery Packs
  • Integrated LDO allows devices to be powered directly from battery pack
  • Microcontroller Peripheral Provides:
  • Accurate Battery Fuel Gauging
  • Internal Temperature Sensor for Battery Temperature Reporting
  • Configurable Level of State-of-Charge (SOC) Interrupts
  • I2C for Connection to System Microcontroller Port
  • Small 12-pin 2,5 mm × 4 mm SON Package
  • Smartphones
  • PDAs
  • Digital Still and Video Cameras
  • Handheld Terminals
  • MP3 or Multimedia Players

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