bq27531-G1
Overview
The Texas Instruments bq27531-G1 system-side LiIon Battery Management Unit is a microcontroller peripheral that provides Impedance Track fuel gauging and charging control for single-cell Li-Ion battery packs. The device requires little system microcontroller firmware development.
- 1 Battery Fuel Gauge and Charger Controller for 1Cell Li-Ion Applications
- Resides on System Main Board
- Battery Fuel Gauge Based on Patented Impedance Track™ Technology - Models the 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 (5 mΩ to 20 mΩ)
- Battery Charger Controller With Customizable Charge Profiles - Configurable Charge Voltage and Current Based on Temperature - Optional State of Health (SoH) and MultilevelBased 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
- Intelligent Charging-Customized and Adaptive Charging Profiles - Charger Control Based on SoH - Temperature Level Charging (TLC)
- Battery Charger Controller for bq2419x Single-Cell Switched-Mode Battery Charger - Stand-Alone Charging Solution - SHIP Mode Capability
- 400-kHz I2C Interface for Connection to System Microcontroller Port
- In a 15-Pin NanoFree™ Packaging
