The NB7141 is a 1-cell Li-ion / polymer battery protection IC that provides overcharge, over-discharge, charge/discharge overcurrent, and short circuit protection, with a built-in watchdog timer. The NB7141 can shift to the Forced Standby Mode by an external signal to STB pin to reduce own current consumption.

Low voltage and high accuracy overcurrent detection achieve a heat reduction on board by using a low-sense resistor. Low operating current and standby current can prolong the battery life even when its capacity is small, and the forced standby mode with STB pin too can prolong the small battery life.

The built-in watchdog timer (WDT) can monitor the MCU operating condition.

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