1. 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 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. BQ27500 Complete System Side Battery Fuel Gauge with Impedance Track™ technology for single cell Li-Ion Applications Accurate cost-efficient battery fuel- gauge that is easy to implement PDAs, Cellular Handset, Ultra Mobile PC’s, Portable Gaming, Multimedia Players, Digital Cameras

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

3. BQ27500 Family Overview Part Number CompetitorIntegrated CPU Calculates remaining Battery Capacity Run time prediction Impedance Track AuthenticationPower Modes Key Difference BQ27500TIYES 4The integrated CPU allows the bq26500x/bq27000 to develop a comprehensive data set by performing all the calculations itself. The host system processor simple reads the bq2650x/bq27000 for information. BQ26500TIYES NO 4 BQ27000 BQ27200 TIYES NO 4 BQ27010 BQ27210 TIYES NO 4