- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：电池管理 IC - 电池保护器
- 功能描述：过压和过流保护 IC
- 点击这里打开及下载BQ24308的技术文档资料
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The bq24308 device is a highly integrated circuit (IC) designed to provide protection to Li-ion batteries from failures of the charging circuit. The device continuously monitors the input voltage, the input current, and the battery voltage. In case of an input overvoltage condition, the device 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 to a safe value for a blanking duration before turning the switch off. Battery voltage may also be monitored and if the battery voltage exceeds the specified value the internal switch is turned off. Additionally, the device also monitors its own die temperature and switches off if it becomes too hot.
The input overcurrent threshold can be increased using an external resistor. The device also offers optional protection against reverse voltage at the input using an external P-channel FET.
- Provides Protection for Three Variables:
- Input Overvoltage
- Input Overcurrent with Current Limiting
- Battery Overvoltage
- Maximum Input Voltage of 30 V
- Supports Up to 1.5-A Input Current
- Robust Against False Triggering Due to Current Transients
- Thermal Shutdown
- LDO Mode Voltage Regulation of 5 V
- Available in Space-Saving Small 2 mm × 2 mm 8- Pin WSON Package
- APPLICATIONS
- Mobile and Smart Phones
- PDAs
- MP3 Players
- Low-Power Handheld Devices
- Bluetooth? Headsets
All other trademarks are the property of their respective owners
- Function
- Charger Front-End Protection
- Number of series cells (Min)
- 1
- Number of series cells (Max)
- 1
- Features
- Overvoltage, Overcurrent protection
- Typical operating current (Typ) (uA)
- 410
- Rating
- Catalog
- Vin (Max) (V)
- 30
BQ24308的完整型号有：BQ24308DSGR、BQ24308DSGT，以下是这些产品的关键参数及官网采购报价：
BQ24308DSGR，工作温度：0 to 125，封装：WSON (DSG)-8，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAUAG，TI官网BQ24308DSGR的批量USD价格：.277（1000+）
BQ24308DSGT，工作温度：0 to 125，封装：WSON (DSG)-8，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAUAG，TI官网BQ24308DSGT的批量USD价格：.332（1000+）
BQ24308DSGR，工作温度：0 to 125，封装：WSON (DSG)-8，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAUAG，TI官网BQ24308DSGR的批量USD价格：.277（1000+）
BQ24308DSGT，工作温度：0 to 125，封装：WSON (DSG)-8，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAUAG，TI官网BQ24308DSGT的批量USD价格：.332（1000+）
