bq20z80A Datasheet | Texas Instruments

bq20z80 bq20z80A .ti. SLUS782 - JULY 2007 SBS 1.1-PLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK™ TECHNOLOGY FOR USE WITH THE bq29312A Features - 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 plete 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 ponents - 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 n Vh 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...