bq27542-G1 - Texas Instruments

bq27542-G1 Single Cell Li-Ion Battery Fuel Gauge

The Texas Instruments bq27542-G1 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 for accurate battery fuel gauging. The fuel gauge resides within the battery pack or on the main board of the system with an embedded.

Features

•1 Battery Fuel Gauge for 1-Series (1sXp) Li-Ion Applications up to 14,500-mAh Capacity
• Microcontroller Peripheral Provides:
  – Accurate Battery Fuel Gauging Supports up to 14,500 mAh
  – Internal or External Temperature Sensor for Battery Temperature Reporting
  – SHA-1/HMAC Authentication
  – Lifetime Data Logging
  – 64 Bytes of Non-Volatile Scratch Pad FLASH
• Battery Fuel Gauging Based on Patented Impedance Track™ Technology
  – Models Battery Discharge Curve for Accurate Time-To-Empty Predictions
  – Automatically Adjusts for Battery Aging, Battery Self-Discharge, and Temperature/Rate Inefficiencie.