bq27541-V200
Overview
The Texas Instruments bq27541 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.
- 23 Battery Fuel Gauge for 1-Series Li-Ion Applications
- Microcontroller Peripheral Provides: - Accurate Battery Fuel Gauging - Internal Temperature Sensor for System Temperature Reporting - SHA-1/HMAC Authentication - Lifetime Data Logging - 96 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 Inefficiencies - Low-Value Sense Resistor (5mΩ to 20mΩ)
- HDQ and I2C™ Interface Formats for Communication With Host System
- Small 12-pin 2,5 mm × 4 mm SON Package
