●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 development. Together with bq2425x single-cell switch-mode charger, the fuel gauge manages an embedded battery (non-removable) or a removable battery pack.
●The fuel gauge uses the patented Impedance Track algorithm for fuel gauging, and provides information, such as remaining battery capacity (mAh), state-of-charge (%), runtime-to-empty (minimum), battery voltage (mV), temperature (°C), and SoH (%).
●Battery fuel gauging with the device requires only PACK+ (P+), PACK– (P–), and thermistor (T) connections to a removable battery pack or embedded battery circuit. The 15-pin NanoFree™ (CSP) package has dimensions of 2.61 mm × 1.96 mm with 0.5-mm lead pitch. It is ideal for space-constrained applications.
● Battery Fuel Gauge and Charger Controller for 1-
●Cell 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
