Packaging information
| Package | Pins DSBGA (YZF) | 15 |
| Operating temperature range (°C) -40 to 85 |
| Package qty | Carrier 3,000 | LARGE T&R |
Features for the BQ27532-G1
- 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)
- Models the Battery Discharge Curve for
- 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
- Configurable Charge Voltage and Current
- Host-free Autonomous Battery Management
System- Reduced Software Overhead Allows for Easy
Portability Across Platforms and Shorter OEM
Design Cycles - Higher Safety and Security
- Reduced Software Overhead Allows for Easy
- Runtime Improvements
- Longer Battery Runtime Leveraging
Impedance Track™ Technology - Tighter Accuracy Controls for Charger
Termination - Improved Recharge Thresholds
- Longer Battery Runtime Leveraging
- 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
Description for the BQ27532-G1
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.