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BQ24315DSGR Texas Instruments 电池管理 Overvltg & Overcrnt Protection IC
Li-Ion
5.5 V
2 A
BQ24315
相关产品
产品信息
The bq24313 and bq24315 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. The output acts as a linear regulator. The output is regulated to VO(REG) for inputs between VO(REG) 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.
