HT4901 是一款集成了充电管理模块、电量检测及 LED 指示模块、升压放电管理模块，完全取代目 前市场上的充电管理 IC+MCU+升压 IC 方案。(Ht4901 is an integrated charging management module, power detection and LED indication module, boost discharge management module, which completely replaces the charging man