BQ24308 - 过压和过流保护 IC

BQ24308是TI德州仪器公司的一款电池监控,保护及认证解决方案产品，BQ24308是过压和过流保护 IC，本站介绍了BQ24308的封装应用图解、特点和优点、功能等，并给出了与BQ24308相关的TI元器件型号供参考。

BQ24308 - 过压和过流保护 IC - 电池监控,保护及认证解决方案 - 电池管理产品 - 德州仪器

产品特性

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

产品应用

Mobile and Smart Phones
PDAs
MP3 Players
Low-Power Handheld Devices
Bluetooth™ Headsets

产品说明

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.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
bq24308	WSON (8)	2.00 mm × 2.00 mm

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