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BQ27350PWR PDF预览

BQ27350PWR

更新时间： 2024-10-01 04:09:23
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德州仪器 - TI 电源电路电池电源管理电路光电二极管仪表
页数 文件大小 规格书
33页 485K
描述
Single Cell Li-Ion Battery Manager With Impedance Track Fuel Gauge Technology

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中文翻译

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BQ27350PWR 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-20针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1.36Is Samacsys：N
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G20JESD-609代码：e4
长度：6.5 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：20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）：260
认证状态：Not Qualified座面最大高度：1.2 mm
最大供电电压 (Vsup)：2.6 V最小供电电压 (Vsup)：2.4 V
标称供电电压 (Vsup)：2.5 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：0.65 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

BQ27350PWR 数据手册

 浏览型号BQ27350PWR的Datasheet PDF文件第2页浏览型号BQ27350PWR的Datasheet PDF文件第3页浏览型号BQ27350PWR的Datasheet PDF文件第4页浏览型号BQ27350PWR的Datasheet PDF文件第5页浏览型号BQ27350PWR的Datasheet PDF文件第6页浏览型号BQ27350PWR的Datasheet PDF文件第7页 
bq27350  
Single Cell Li-Ion Battery Manager  
With Impedance Track Fuel Gauge Technology  
www.ti.com  
SLUS754–MARCH 2007  
1 INTRODUCTION  
1.1 FEATURES  
1.2 APPLICATIONS  
•
•
•
Comprehensive Battery Fuel Gauge for Single  
Cell and 1-Series Li-Ion Applications  
•
•
•
•
•
•
POS Terminals  
Industrial Data Collection  
Smartphones  
Secure Battery Authentication Using  
SHA-1/HMAC Encryption  
PDAs  
Calculates and Reports  
Digital Cameras  
Handheld Terminals  
–
–
–
–
Remaining Battery Capacity  
Battery Voltage and Temperature  
Charge and Discharge Current  
Four Time-to-Empty Predictions  
1.3 DESCRIPTION  
•
Battery Fuel Gauge Based on Patented  
Impedance Track™ Technology  
The Texas Instruments’ bq27350 is a battery fuel  
gauge with secure authentication support for single  
cell Li-Ion battery packs. Designed for battery pack  
–
Models the Battery Discharge Curve for  
Accurate Time-to-Empty Predictions  
integration, the device requires  
little host  
–
Automatically Adjusts for Battery Aging,  
Battery Self Discharge, and  
microcontroller firmware support for implementation.  
The system host processor communicates with the  
bq27350 over an I2C interface to obtain remaining  
battery capacity, system run-time predictions, and  
other critical battery information.  
Temperature/Rate Inefficiencies  
–
Low Value Sense Resistor (10mΩ or Less)  
•
96-Bytes Non-Volatile Scratch Pad Data  
Memory  
I2C Communications Interface to the Host  
The bq27350 uses the patented Impedance Track™  
algorithm for its fuel gauging. The gauge provides  
information such as state-of-charge (%), run-time to  
empty (min.), charge time to full (min.), battery  
voltage (V), and pack temperature (°C).  
•
•
20-Pin TSSOP Package  
The bq27350 also features both integrated and  
external  
support  
for  
secure  
battery  
pack  
authentication, using the SHA-1/HMAC authentication  
algorithm.  
TYPICAL IMPLEMENTATION  
PACK+  
SCLK  
bq27350  
Impedance Track™  
SHA-1/HMAC  
Authentication and  
Manufacturing  
Data Storage  
SDATA  
LDO  
bq26100  
SHA-1/HMAC  
Authentication  
(optional)  
Single-Cell  
Protector  
*
PACK-  
*Optional Thermistor  
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 document.  
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 © 2007, Texas Instruments Incorporated  
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中文翻译

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BQ27350PWR 替代型号

型号 品牌 替代类型 描述 数据表
BQ27350PWRG4 TI

完全替代

 Single Cell Li-Ion Battery Manager With Impedance Track Fuel Gauge Technology
BQ27350PW TI

完全替代

 Single Cell Li-Ion Battery Manager With Impedance Track Fuel Gauge Technology
BQ27350PWG4 TI

类似代替

 Single Cell Li-Ion Battery Manager With Impedance Track Fuel Gauge Technology

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