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BQ20Z90DBTTIN/a480avaiSBS 1.1 Compliant Gas Gauge Enabled w/Impedance Track Tech For bq29330 30-TSSOP -40 to 85


BQ20Z90DBT ,SBS 1.1 Compliant Gas Gauge Enabled w/Impedance Track Tech For bq29330 30-TSSOP -40 to 85SLUS662A–DECEMBER 2005–REVISED JUNE 2006TERMINAL FUNCTIONSTERMINAL(1)I/O DESCRIPTIONNO. NAME1 NC – ..
BQ20Z90DBTR-V150 ,SBS v1.1 Compliant Gas Gauge for Use With the bq29330 30-TSSOP -40 to 85Featuressystem host controller over a serial-communication• Integrated Time Base Removes Need forbu ..
BQ20Z90DBT-V110 ,SBS 1.1 Compliant Gas Gauge Enabled w/Impedance Track Tech 30-TSSOP -40 to 125Featurestechnology, is designed for battery-pack or in-systeminstallation. The bq20z90-V110 measure ..
BQ20Z90DBT-V110G4 ,SBS 1.1 Compliant Gas Gauge Enabled w/Impedance Track Tech 30-TSSOP -40 to 125SLUS743–NOVEMBER 2006TERMINAL FUNCTIONSTERMINAL(1)I/O DESCRIPTIONNO. NAME1 NC – Not used— leave flo ..
BQ20Z90DBT-V150 ,SBS v1.1 Compliant Gas Gauge for Use With the bq29330 30-TSSOP -40 to 85SLUS778–JULY 2007TERMINAL FUNCTIONSTERMINAL(1)I/O DESCRIPTIONNO. NAME1 NC – Not used— leave floatin ..
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BQ20Z90DBT
SBS 1.1 Compliant Gas Gauge Enabled w/Impedance Track Tech For bq29330 30-TSSOP -40 to 85
www.ti.com
FEATURES
APPLICATIONS
DESCRIPTION
bq20z90
SLUS662A–DECEMBER 2005–REVISED JUNE 2006
SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK™
TECHNOLOGY FOR USE WITH THE bq29330
Patented Impedance Track™ Technology
Accurately Measures Available Chargein
Li-Ion and Li-Polymer Batteries Remaining Capacity Indication
Better than 1% Error Over Lifetimeof the Supports SHA-1 Authentication
Battery
Lifetime Data Logging Instant Accuracy– No Learning Cycle 30-Pin TSSOP (DBT)
Required
Automatically adjusts for battery aging,
battery self discharge and temperature
Notebook PCs
inefficiencies
Medical and Test Equipment Supports the Smart Battery Specification Portable Instrumentation
SBS V1.1
Works With theTI bq29330 Analog Front-End
(AFE) ProtectionICto Provide Complete Pack
The bq20z90 SBS-compliant gas gauge IC,Electronics Solution incorporating patented Impedance Track™ Full Arrayof Programmable Voltage, Current, technology,is designed for battery-packor in-system
installation. The bq20z90 measures and maintainsand Temperature Protection Features accurate recordof available chargein Li-ionor• Integrated Time Base Removes Need for Li-polymer batteries using its integratedExternal Crystal with Optional Crystal Input high-performance analog peripherals. The bq20z90• Electronics for 7.2-V, 10.8-Vor 14.4-V Battery monitors capacity change, battery impedance,
Packs With 50% Fewer External Components
open-circuit voltage, and other critical parametersof
the battery pack, and reports the informationto the• Based ona Powerful Low-Power RISC CPU system host controller overa serial-communicationCore With High-Performance Peripherals bus.Itis designedto work with the bq29330 analog• Integrated Field Programmable FLASH front-end (AFE) protection IC to maximizeMemory Eliminates the Need for External functionality and safety, and minimize componentConfiguration Memory count and costin smart battery circuits. Measures Charge Flow Usinga The Impedance Track technology continuouslyHigh-Resolution, 16-Bit Integrating analyzes the battery impedance, resultingin superiorDelta-Sigma Converter gas-gauging accuracy. This enables remaining
capacity to be calculated with discharge rate,– Better Than 0.65 nVhof Resolution
temperature, and cell agingall accounted for during– Self-Calibrating each stageof every cycle.• Uses 16-Bit Delta-Sigma Converter for
Accurate Voltage and Temperature AVAILABLE OPTIONS PACKAGE Data Reporting Options For TA 30-PIN TSSOP (DBT) 30-PIN TSSOP (DBT) System Tube Tape& Reel

(2)A single reel quantityis 2000 units
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