bq27532-G1 - Texas Instruments

bq27532-G1 Battery Management Unit Impedance Track Fuel Gauge

The bq27532-G1 system-side, Li-Ion battery management unit is a microcontroller peripheral that provides Impedance Track™ fuel gauging and charging control for single-cell Li-Ion battery packs. The fuel gauge requires little system microcontroller firmware development. Together with bq2425x singlecell switch-mode charger, the fuel gauge manages an embedded b.

Features

•1 Battery Fuel Gauge and Charger Controller for 1Cell Li-Ion Applications up to 14,500-mAh Capacity
• Resides on System Main Board
• Battery Fuel Gauge Based on Patented Impedance Track™ Technology
  – Models the Battery Discharge Curve for Accurate Remaining Capacity Predictions
  – Automatically Adjusts for Battery Aging, Battery Self-Discharge, and Temperature and Rate Inefficiencies
  – Low-value Sense Resistor (5 to 20 mΩ)
• Battery Charger Controller With Customizable Charge Profiles
  – Configurable Charge Voltage and Current Based on Temperature
  – Optional State-of-Health (SoH) and Multi-Leve.