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BQ20Z90-V110

更新时间： 2024-09-10 02:52:51
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
25页 496K
描述
SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK TECHNOLOGY FOR USE WITH THE bq29330

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BQ20Z90-V110 数据手册

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bq20z90-V110  
www.ti.com  
SLUS743–NOVEMBER 2006  
SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK™  
TECHNOLOGY FOR USE WITH THE bq29330  
FEATURES  
Improved System Interaction  
•
Patented Impedance Track™ Technology  
Accurately Measures Available Charge in  
Li-Ion and Li-Polymer Batteries  
•
•
Optional Pulse Charging Feature for Improved  
Charge Times  
Drives 3-, 4- or 5-Segment LED Display for  
Remaining Capacity Indication  
•
•
•
Better than 1% Error Over Lifetime of the  
Battery  
•
•
•
Supports SHA-1 Authentication  
Lifetime Data Logging  
Instant Accuracy – No Learning Cycle  
Required  
30-Pin TSSOP (DBT)  
Automatically adjusts for battery aging,  
battery self discharge and temperature  
inefficiencies  
APPLICATIONS  
•
•
•
Notebook PCs  
Medical and Test Equipment  
Portable Instrumentation  
•
•
Supports the Smart Battery Specification SBS  
V1.1  
Works With the TI bq29330 Analog Front-End  
(AFE) Protection IC to Provide Complete Pack  
Electronics Solution  
DESCRIPTION  
The bq20z90-V110 SBS-compliant gas gauge IC,  
incorporating  
technology, is designed for battery-pack or in-system  
installation. The bq20z90-V110 measures and  
maintains an accurate record of available charge in  
Li-ion or Li-polymer batteries using its integrated  
•
•
•
•
•
Full Array of Programmable Voltage, Current,  
and Temperature Protection Features  
patented  
Impedance  
Track™  
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 50% Fewer External Components  
high-performance  
analog  
peripherals.  
The  
bq20z90-V110 monitors capacity change, battery  
impedance, open-circuit voltage, and other critical  
parameters of the battery pack, and reports the  
information to the system host controller over a  
serial-communication bus. It is designed to work with  
the bq29330 analog front-end (AFE) protection IC to  
maximize functionality and safety, and minimize  
component count and cost in smart battery circuits.  
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  
The Impedance Track technology continuously  
analyzes the battery impedance, resulting in superior  
gas-gauging accuracy. This enables remaining  
capacity to be calculated with discharge rate,  
temperature, and cell aging all accounted for during  
each stage of every cycle.  
–
–
Better Than 0.65 nVh of Resolution  
Self-Calibrating  
•
•
Uses 16-Bit Delta-Sigma Converter for  
Accurate Voltage and Temperature  
Measurements  
Extensive Data Reporting Options For  
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.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2006, Texas Instruments Incorporated  
1234567...25

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BQ20Z90-V110 替代型号

型号 品牌 替代类型 描述 数据表
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