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BQ24315DSGRG4

更新时间： 2024-11-21 04:34:39
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
20页 1468K
描述
OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC

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BQ24315DSGRG4 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SON
包装说明：2 X 2 MM, GREEN, PLASTIC, SON-8针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.18
Is 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 CIRCUIT
JESD-30 代码：S-PDSO-N8JESD-609代码：e4
长度：2 mm湿度敏感等级：2
信道数量：1功能数量：1
端子数量：8最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：VSON封装等效代码：SOLCC8,.08,20
封装形状：SQUARE封装形式：SMALL OUTLINE, VERY THIN PROFILE
峰值回流温度（摄氏度）：260电源：3.3/30 V
认证状态：Not Qualified座面最大高度：0.8 mm
子类别：Power Management Circuits最大供电电流 (Isup)：0.6 mA
最大供电电压 (Vsup)：30 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：AUTOMOTIVE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：2 mmBase Number Matches：1

BQ24315DSGRG4 数据手册

 浏览型号BQ24315DSGRG4的Datasheet PDF文件第2页浏览型号BQ24315DSGRG4的Datasheet PDF文件第3页浏览型号BQ24315DSGRG4的Datasheet PDF文件第4页浏览型号BQ24315DSGRG4的Datasheet PDF文件第5页浏览型号BQ24315DSGRG4的Datasheet PDF文件第6页浏览型号BQ24315DSGRG4的Datasheet PDF文件第7页 
bq24315  
www.ti.com  
SLUS817–MARCH 2008  
OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND  
Li+ CHARGER FRONT-END PROTECTION IC  
1
FEATURES  
•
•
5.5V LDO Mode Voltage Regulation  
23  
•
Provides Protection for Three Variables:  
Available in Space-Saving Small 8 Lead 2×2  
SON  
–
–
–
Input Overvoltage, with Rapid Response in  
< 1 µs  
APPLICATIONS  
User-Programmable Overcurrent with  
Current Limiting  
•
•
•
•
•
Mobile Phones and Smart Phones  
PDAs  
MP3 Players  
Low-Power Handheld Devices  
Bluetooth™ Headsets  
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 bq24315 is a highly integrated circuit 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. The  
output of the bq24315 acts a linear regulator. The output is regulated to 5.5V for inputs between 5.5V and the  
overvoltage threshold. If an input overvoltage condition occurs, 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 exceeds 140°C. 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  
bq24315  
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
3
PowerPAD is a trademark of Texas Instruments.  
Bluetooth is a trademark of Bluetooth SIG, Inc.  
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 © 2008, Texas Instruments Incorporated  
1234567...20

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BQ24315DSGRG4 替代型号

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