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BQ0Z80-V102 Datasheet(PDF) 1 Page - Texas Instruments |
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BQ0Z80-V102 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 28 page www.ti.com FEATURES APPLICATIONS DESCRIPTION bq20z80-V102 SLUS681B – NOVEMBER 2005 – REVISED JANUARY 2007 SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK™ TECHNOLOGY FOR USE WITH THE bq29312A • Lifetime Data Logging • Patented Impedance Track™ Technology • 38-Pin TSSOP (DBT) Accurately Measures Available Charge in Li-Ion and Li-Polymer Batteries • Notebook PCs • Better than 1% Error Over Lifetime of the Battery • Medical and Test Equipment • Portable Instrumentation • Instant Accuracy – No Learning Cycle Required • Supports the Smart Battery Specification SBS V1.1 The bq20z80 SBS-compliant gas gauge IC, incorporating patented Impedance Track™ • Works With the TI bq29312A Analog technology, is designed for battery-pack or in-system Front-End (AFE) Protection IC to Provide installation. The bq20z80 measures and maintains Complete Pack Electronics Solution an accurate record of available charge in Li-ion or • Full Array of Programmable Voltage, Current, Li-polymer batteries using its integrated and Temperature Protection Features high-performance analog peripherals. The bq20z80 monitors capacity change, battery impedance, • Integrated Time Base Removes Need for open-circuit voltage, and other critical parameters of External Crystal with Optional Crystal Input the battery pack, and reports the information to the • Electronics for 7.2-V, 10.8-V or 14.4-V Battery system host controller over a serial-communication Packs With Few External Components bus. It is designed to work with the bq29312A analog • Based on a Powerful Low-Power RISC CPU front-end (AFE) protection IC to maximize Core With High-Performance Peripherals functionality and safety, and minimize component count and cost in smart battery circuits. • Integrated Field Programmable FLASH Memory Eliminates the Need for External The Impedance Track technology continuously Configuration Memory analyzes the battery impedance, resulting in superior gas-gauging accuracy. This enables remaining • Measures Charge Flow Using a capacity to be calculated with discharge rate, High-Resolution, 16-Bit Integrating temperature, and cell aging all accounted for during Delta-Sigma Converter each stage of every cycle. – Better Than 0.65 nVh of Resolution – Self-Calibrating AVAILABLE OPTIONS – Offset Error Less Than 1 µV PACKAGE TA • Uses 16-Bit Delta-Sigma Converter for 38-PIN TSSOP (DBT) 38-PIN TSSOP (DBT) Tube Tape and Reel Accurate Voltage and Temperature –40 °C to Measurements bq20z80DBT-V102(1) bq20z80DBTR-V102(2) 85 °C • 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 (1) A single tube quantity is 50 units. • Supports SHA-1 Authentication (2) A single reel quantity is 2000 units Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Impedance Track is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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