bq27545-G1

Product Folder Order Now Technical Documents Tools & Software Support & Community bq27545-G1 SLUSAT0E – OCTOBER 2012 – REVISED MAY 2018 bq27545-G1 Single-Cell Li-Ion Battery Fuel Gauge For Battery Pack Integration 1 Features 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 2 Applications Smartphones Tablets Digital Still and Video Cameras Handheld Terminals MP3 or Multimedia Players 3 Description 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. The bq27545-G1 resides within the battery pack or on the system’s main-board with an embedded b...