BQ24312 - 过压和过流保护 IC 和锂离子充电器前端保护

BQ24312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，BQ24312是过压和过流保护 IC 和锂离子充电器前端保护，本站介绍了BQ24312的封装应用图解、特点和优点、功能等，并给出了与BQ24312相关的TI元器件型号供参考。

BQ24312 - 过压和过流保护 IC 和锂离子充电器前端保护 - 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 Protection
- User-Programmable 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
Enable Input
Status Indication – Fault Condition
Available in Space-Saving Small 8 Lead 2 × 2 WSON

产品应用

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

产品说明

The bq24312 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 at the threshold value, and if the overcurrent persists, switches the pass element OFF after a blanking period. Additionally, the device also monitors its own die temperature and switches off if it exceeds 140°C. The input overcurrent threshold is user-programmable.

The device can be controlled by a processor and also provides status information about fault conditions to the host.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
bq24312	WSON (8)	2.00 mm × 2.00 mm

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