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BQ34Z651DBTR Datasheet(PDF) 1 Page - Texas Instruments |
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BQ34Z651DBTR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 29 page bq34z651 www.ti.com SLUSAL7 – AUGUST 2011 SBS 1.1-Compliant Gas Gauge and Protection Enabled With Impedance Track ™ and External Battery Heater Control Check for Samples: bq34z651 1 FEATURES APPLICATIONS 2 • Next Generation Patented Impedance Track ™ • Notebook PCs Technology Accurately Measures Available • Medical and Test Equipment Charge in Li-Ion and Li-Polymer Batteries • Portable Instrumentation – Better Than 1% Error Over the Lifetime of the Battery DESCRIPTION • Supports the Smart Battery Specification The bq34z651 SBS-compliant gas gauge and SBS v1.1 protection IC, incorporating patented Impedance Track ™ technology, is a single IC solution designed • Flexible Configuration for 2-Series to 4-Series for battery-pack or in-system installation. The Li-Ion and Li-Polymer Cells bq34z651 measures and maintains an accurate • Battery Temperature Heater Control record of available charge in Li-Ion or Li-Polymer • Powerful 8-Bit RISC CPU with Ultralow Power batteries using its integrated high-performance analog peripherals. The bq34z651 monitors capacity Modes change, battery impedance, open-circuit voltage, and • Full Array of Programmable Protection other critical parameters of the battery pack, which Features reports the information to the system host controller – Voltage, Current, and Temperature over a serial-communication bus. Together with the integrated analog front-end (AFE) short-circuit and • Satisfies JEITA Guidelines overload protection, the bq34z651 maximizes • Added Flexibility to Handle More Complex functionality and safety while minimizing external Charging Profiles component count, cost, and size in smart battery • Lifetime Data Logging circuits. • Drives 3-, 4-, and 5-Segment LED Display for The implemented Impedance Track gas gauging Battery-Pack Conditions technology continuously analyzes the battery • Supports SHA-1 Authentication impedance, resulting in superior gas-gauging accuracy. This enables remaining capacity to be • Complete Battery Protection and Gas Gauge calculated with discharge rate, temperature, and cell Solution in One Package aging —all accounted for during each stage of every • Available in a 44-Pin TSSOP (DBT) package cycle with high accuracy. Table 1. AVAILABLE OPTIONS PACKAGE(1) TA 44-PIN TSSOP (DBT) Tube 44-PIN TSSOP (DBT) Tape and Reel –40°C to 85°C bq34z651DBT(2) bq34z651DBTR(3) (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI website at www.ti.com. (2) A single tube quantity is 40 units. (3) A single reel quantity is 2000 units. 1 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. 2 Impedance Track is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2011, 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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