bq27441-G1 - Texas Instruments

bq27441-G1 System-Side Impedance Track Fuel Gauge

The Texas Instruments bq27441-G1 fuel gauge is a microcontroller peripheral that provides system-side fuel gauging for single-cell Li-Ion batteries. The device requires minimal user configuration and system microcontroller firmware development. The bq27441-G1 battery fuel gauge uses the patented Impedance Track™ algorithm for fuel gauging, and provides infor.

Features

•1 Single Series Cell Li-Ion Battery Fuel Gauge
  – Resides on System Board
  – Supports Embedded or Removable Batteries
  – Powered Directly from Battery with Integrated LDO
  – Supports a Low-Value External Sense Resistor (10 mΩ)
• Battery Fuel Gauging Based on Patented Impedance Track™ Technology
  – Reports Remaining Capacity and State-ofCharge (SOC) with Smoothing Filter
  – Automatically Adjusts for Battery Aging, Selfdischarge, Temperature, and Rate Changes
  – Battery State-of-Health (Aging) Estimation
• Microcontroller Peripheral Supports:
  – 400-kHz I2C Serial Interface
  – Configurable SOC Interrupt.