Patented Impedance Track™ Technology Accurately Measures Available Charge in Li-Ion and Li-Polymer Batteries Better than 1% Error Over Lifetime of the Battery Instant Accuracy – No Learning Cycle Required Supports the Smart Battery Specification SBS V1.1 Works With the TI bq29312A Analog Front-End (AFE) Protection IC to Provide Complete Pack Electronics Solution Full Array of Programmable Voltage, Current, and Temperature Protection Features Integrated Time Base Removes Need for External Crystal with Optional Crystal Input Electronics for 7.2-V, 10.8-V or 14.4-V Battery Packs With Few External Components Based on a Powerful Low-Power RISC CPU Core With High-Performance Peripherals Integrated Field Programmable FLASH Memory Eliminates the Need for External Configuration Memory Measures Charge Flow Using a High-Resolution, 16-Bit Integrating Delta-Sigma Converter Better Than 0.65 nVh of Resolution Self-Calibrating Offset Error Less Than 1 µV Uses 16-Bit Delta-Sigma Converter for Accurate Voltage and Temperature Measurements Extensive Data Reporting Options For Improved System Interaction Optional Pulse Charging Feature for Improved Charge Times Drives 3-, 4- or 5-Segment LED Display for Remaining Capacity Indication Supports SHA-1 Authentication Lifetime Data Logging 38-Pin TSSOP (DBT) APPLICATIONS Notebook PCs Medical and Test Equipment Portable Instrumentation Impedance Track is a trademark of Texas Instruments.