Provides the system ALL data needed to effectively manage the battery & extend run-time

1. BQ27500 Complete System Side Battery Fuel Gauge with Impedance Track™ technology for single cell Li-Ion Applications Benefits • Provides the system ALL data needed to effectively manage the battery & extend run-time • No calculations with the host micro-controller for easy implementation of accurate fuel gauge • Accurate display of run time under all conditions • Provides near empty warning for auto-saving of data • Impedance Track™ requires no learning or conditioning cycle • System side implementation – no extra circuitry needed inside of battery pack Features • Patented Impedance Track™ next generation gauging algorithm • Accurate & complete battery fuel gauge • CPU-based IC reports remaining battery capacity, time-to empty, voltage, current and temperature • Calculates remaining charge under all conditions of discharge rate, temperature, and cell age • System side implementation even with removable battery. Why Buy? Accurate cost-efficient battery fuel-gauge that is easy to implement Applications • PDAs, Cellular Handset, Ultra Mobile PC’s, Portable Gaming, Multimedia Players, Digital Cameras

2. Single-Cell Fuel Gauge Portfolio Protector Fuel Gauge Security Product Key bq27500 bq27010 bq27000 • Impedance Track III • Host side design • SHA-1 Security integrated • 12 pin, 2.5x4 mm QFN bq2019 • Compensated EDV • HDQ Interface • Fixed EDV • HDQ Interface • Battery monitor bq27540 bq27210 bq27200 • Impedance Track III • Battery Pack side design • SHA-1 Security integrated • 12 pin, 2.5x4 mm QFN • Compensated EDV • I2C Interface • Fixed EDV • I2C Interface bq26100 bq27350 bq2022 • Impedance Track III • Battery Pack side design • SHA-1 Security integrated • 20 pin package • SHA-1 Security • 64 bit ID 1Q2007

3. BQ27500 Family Overview