bq27532-G1
Overview
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.
- 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-Level Based Charge Profiles
- Host-free Autonomous Battery Management System - Reduced Software Overhead Allows for Easy Portability Across Platforms and Shorter OEM Design Cycles - Higher Safety and Security
- Runtime Improvements - Longer Battery Runtime Leveraging Impedance Track™ Technology - Tighter Accuracy Controls for Charger Termination - Improved Recharge Thresholds
- Intelligent Charging - Customized and Adaptive Charging Profiles - Charger Control Based on SoH - Temperature Level Charging (TLC)
- Stand-alone Battery Charger Controller for bq2425x Single-Cell Switch-mode Battery Charger
- 400-kHz I2C™ Interface for Connection to System Microcontroller Port
