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BQ20Z655DBT PDF预览

BQ20Z655DBT

更新时间: 2024-10-28 08:58:59
品牌 Logo 应用领域
德州仪器 - TI 电源电路电源管理电路光电二极管
页数 文件大小 规格书
23页 321K
描述
SBS 1.1-COMPLIANT GAS GAUGE AND PROTECTION ENABLED WITH IMPEDANCE TRACK

BQ20Z655DBT 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP,针数:44
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:2.26可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码:R-PDSO-G44
JESD-609代码:e4长度:11.15 mm
湿度敏感等级:2信道数量:1
功能数量:1端子数量:44
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):250认证状态:Not Qualified
座面最大高度:1.2 mm最大供电电压 (Vsup):25 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):14 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4.4 mm
Base Number Matches:1

BQ20Z655DBT 数据手册

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bq20z655  
www.ti.com  
SLUSAH8 APRIL 2011  
SBS 1.1-COMPLIANT GAS GAUGE AND PROTECTION  
ENABLED WITH IMPEDANCE TRACK  
Check for Samples: bq20z655  
1
FEATURES  
APPLICATIONS  
Medical and Test Equipment  
Portable Instrumentation  
Rechargeable Battery Packs  
Industrial Equipment  
2
Next Generation Patented Impedance Track  
Technology Accurately Measures Available  
Charge in Li-Ion and Li-Polymer Batteries  
Better Than 1% Error Over the Lifetime of  
the Battery  
Supports the Smart Battery Specification  
SBS V1.1  
DESCRIPTION  
The bq20z655 SBS-compliant gas gauge and  
protection IC, incorporating patented Impedance  
Tracktechnology, is a single IC solution designed  
for battery-pack or in-system installation. The  
bq20z655 measures and maintains an accurate  
record of available charge in Li-ion or Li-polymer  
batteries using its integrated high-performance  
analog peripherals. The bq20z655 monitors capacity  
change, battery impedance, open-circuit voltage, and  
other critical parameters of the battery pack which  
reports the information to the system host controller  
over a serial-communication bus. Together with the  
integrated analog front-end (AFE) short-circuit and  
overload protection, the bq20z655 maximizes  
functionality and safety while minimizing external  
component count, cost, and size in smart battery  
circuits.  
Flexible Configuration for 2-Series to 4-Series  
Li-Ion and Li-Polymer Cells  
Powerful 8-Bit RISC CPU with Ultralow Power  
Modes  
Charge Enable (CE) Affects the Normal  
Operation on the Charge FET when the Battery  
Is in Charge/Relax Mode  
Full Array of Programmable Protection  
Features  
Voltage, Current, and Temperature  
Satisfies JEITA Guidelines  
Added Flexibility to Handle More Complex  
Charging Profiles  
Lifetime Data Logging  
The implemented Impedance Trackgas gauging  
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 with high accuracy.  
Drives 3, 4, or 5 Segment Liquid Crystal  
Display and LED for Battery-Pack Conditions  
Supports SHA-1 Authentication  
Complete Battery Protection and Gas Gauge  
Solution in One Package  
Available in a 44-Pin TSSOP (DBT) Package  
Table 1. AVAILABLE OPTIONS  
PACKAGE(1)  
TA  
44-PIN TSSOP (DBT) Tube  
44-PIN TSSOP (DBT) Tape and Reel  
40°C to 85°C  
bq20z655DBT(2)  
bq20z655DBTR(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.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2011, Texas Instruments Incorporated  

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