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BQ2085DBT

更新时间： 2024-10-27 22:48:27
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
56页 813K
描述
SBS-COMPLIANT GAS GAUGE IC FOR USE WITH THE bq29311

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中文翻译

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BQ2085DBT 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：38
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.28Is Samacsys：N
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G38JESD-609代码：e4
长度：9.7 mm湿度敏感等级：2
信道数量：1功能数量：1
端子数量：38最高工作温度：85 °C
最低工作温度：-20 °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）：260
认证状态：Not Qualified座面最大高度：1.2 mm
最大供电电压 (Vsup)：3.6 V最小供电电压 (Vsup)：3 V
标称供电电压 (Vsup)：3.3 V表面贴装：YES
温度等级：OTHER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 mmBase Number Matches：1

BQ2085DBT 数据手册

 浏览型号BQ2085DBT的Datasheet PDF文件第2页浏览型号BQ2085DBT的Datasheet PDF文件第3页浏览型号BQ2085DBT的Datasheet PDF文件第4页浏览型号BQ2085DBT的Datasheet PDF文件第5页浏览型号BQ2085DBT的Datasheet PDF文件第6页浏览型号BQ2085DBT的Datasheet PDF文件第7页 
bq2085  
SLUS541 – OCTOBER 2002  
SBS-COMPLIANT GAS GAUGE IC  
FOR USE WITH THE bq29311  
D
D
D
Programmable Cell Modeling for Maximum  
Battery Fuel Gauge Accuracy  
FEATURES  
D
D
D
D
Provides Accurate Measurement of Available  
Charge in Li-Ion and Li-Polymer Batteries  
Drives 3-, 4-, or 5-Segment LED Display for  
Remaining Capacity Indication  
Supports the Smart Battery Specification  
(SBS) V1.1  
38-Pin TSSOP (DBT)  
Integrated Time Base Removes Need for  
External Crystal  
APPLICATIONS  
D
D
D
Notebook PCs  
Works With the TI bq29311 Analog Front End  
(AFE) Protection IC to Provide Complete Pack  
Electronics for 10.8-V or 14.4-V Battery Packs  
With Few External Components  
Medical and Test Equipment  
Portable Instrumentation  
DESCRIPTION  
D
D
D
Based on a Powerful Low-Power RISC CPU  
Core With High-Performance Peripherals  
The bq2085 SBS-compliant gas gauge IC for battery  
pack or in-system installation maintains an accurate  
record of available charge in Li-ion or Li-polymer  
batteries. The bq2085 monitors capacity 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  
bq29311 analog front-end (AFE) protection IC to  
maximize functionality and safety and minimize  
component count and cost in smart battery circuits.  
Using information from the bq2085, the host controller  
can manage remaining battery power to extend the  
system run time as much as possible.  
Integrated FLASH Memory Eliminates the  
Need for External Configuration EEPROM  
Measures Charge Flow Using a High  
Resolution 16-Bit Integrating Converter  
– Better Than 3-nVh of Resolution  
– Self-Calibrating  
– Offset Error Less Than 1-µV  
D
Uses 16-Bit Delta Sigma Converter for  
Accurate Voltage and Temperature  
Measurements  
BLOCK DIAGRAM  
Pack+  
Charge/Discharge  
Power FETs  
+
LDO  
Supply Voltage  
–
+
–
+
Li-Ion  
Cells  
bq29311  
SMBus  
Glueless  
Interface  
bq2085  
Level  
Translator  
–
Cell Inputs  
Safety Control  
Temp  
Sensor  
ADC  
Voltage  
512 Bytes  
Config.  
FLASH  
Integrating  
ADC  
Coulomb  
Counting  
Sense  
Resistor  
(10 mΩ - 20 mΩ)  
EPROM  
Pack–  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright 2002, Texas Instruments Incorporated  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
www.ti.com  
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中文翻译

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BQ2085DBT 替代型号

型号 品牌 替代类型 描述 数据表
BQ2085DBTR TI

类似代替

 SBS-COMPLIANT GAS GAUGE IC FOR USE WITH THE bq29311
BQ2085DBTRG4 TI

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BQ2085DBTG4 TI

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