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BQ24314DSJT

更新时间： 2024-11-21 03:30:39
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过电流保护
页数 文件大小 规格书
25页 1045K
描述
OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC

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BQ24314DSJT 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SON包装说明：SON-12
针数：12Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.7Is Samacsys：N
其他特性：RESET THRESHOLD VOLTAGE IS 5.85V可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-N12
JESD-609代码：e4长度：4 mm
湿度敏感等级：2信道数量：1
功能数量：1端子数量：12
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：HVSON
封装等效代码：SOLCC12,.12,20封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
电源：3/24 V认证状态：Not Qualified
座面最大高度：1 mm子类别：Power Management Circuits
最大供电电流 (Isup)：0.6 mA最大供电电压 (Vsup)：26 V
最小供电电压 (Vsup)：3.3 V标称供电电压 (Vsup)：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：NO LEAD
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：3 mm
Base Number Matches：1

BQ24314DSJT 数据手册

 浏览型号BQ24314DSJT的Datasheet PDF文件第2页浏览型号BQ24314DSJT的Datasheet PDF文件第3页浏览型号BQ24314DSJT的Datasheet PDF文件第4页浏览型号BQ24314DSJT的Datasheet PDF文件第5页浏览型号BQ24314DSJT的Datasheet PDF文件第6页浏览型号BQ24314DSJT的Datasheet PDF文件第7页 
bq24314  
bq24316  
www.ti.com  
SLUS763C–JULY 2007–REVISED OCTOBER 2007  
OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND  
Li+ CHARGER FRONT-END PROTECTION IC  
1
FEATURES  
•
Available in Space-Saving Small 8 Lead 2×2  
SON and 12 Lead 4x3 SON Packages  
2
•
Provides Protection for Three Variables:  
–
–
–
Input Overvoltage, with Rapid Response in  
< 1 μs  
APPLICATIONS  
•
•
•
•
•
Mobile Phones and Smart Phones  
PDAs  
MP3 Players  
Low-Power Handheld Devices  
Bluetooth Headsets  
User-Programmable Overcurrent with  
Current Limiting  
Battery Overvoltage  
•
•
•
30V Maximum Input Voltage  
Supports up to 1.5A Input Current  
Robust Against False Triggering Due to  
Current Transients  
•
•
•
Thermal Shutdown  
Enable Input  
Status Indication – Fault Condition  
DESCRIPTION  
The bq24314 and bq24316 are highly integrated circuits designed to provide protection to Li-ion batteries from  
failures of the charging circuit. The IC continuously monitors the input voltage, the input current, and the battery  
voltage. In case of an input overvoltage condition, the IC immediately removes power from the charging circuit by  
turning off an internal switch. In the case of an overcurrent condition, it limits the system current at the threshold  
value, and if the overcurrent persists, switches the pass element OFF after a blanking period. Additionally, the IC  
also monitors its own die temperature and switches off if it becomes too hot. The input overcurrent threshold is  
user-programmable.  
The IC can be controlled by a processor and also provides status information about fault conditions to the host.  
APPLICATION SCHEMATIC  
AC Adapter  
VDC  
GND  
1 IN  
OUT  
8
1 mF  
1 mF  
bq24080  
Charger IC  
bq24316DSG  
SYSTEM  
VBAT  
6
FAULT  
CE  
4
5
2
7
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
PowerPAD 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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BQ24314DSJT 替代型号

型号 品牌 替代类型 描述 数据表
BQ24314DSJR TI

完全替代

 OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC
BQ24314DSJTG4 TI

功能相似

 OVERVOLTAGE AND OVERCURRENT PROTECTION IC
BQ24314DSJRG4 TI

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 OVERVOLTAGE AND OVERCURRENT PROTECTION IC

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