bq27545-G1
Overview
The bq27545-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.
- 1 Battery Fuel Gauge for 1-Series (1sXp) Li-Ion Applications up to 14500-mAh Capacity
- Microcontroller Peripheral Provides: - 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 and Rate Inefficiencies - Low-Value Sense Resistor (5 mΩ to 20 mΩ)
- Advanced Fuel Gauging Features - Internal Short Detection - Tab Disconnection Detection
- HDQ and I2C™ Interface Formats for Communication with Host System
- Small 15-Ball Nano-Free™ (DSBGA) Packaging
