INTERNAL BATTERY CONTROLLER OF PERSONAL MOBILE COMMUNICATION TERMINAL

摘要

PURPOSE: An internal battery controller of a personal mobile communication terminal is provided to allow a user to easily turn off a battery by using a PCM(Protection Circuit Module). CONSTITUTION: A battery pack(310) includes a battery(311), an FET(312) for controlling ON/OFF of a battery, and a PCM(313) for controlling the FET(312). The PCM(313) restrains electric performance degradation and a physical/chemical abnormal behavior of a battery. A charging circuit(320) outputs constant voltage or constant current, and when charging is completed, the charging unit(320) stops charging. A power controller(330) includes an FET(331) and a low power push switch(332) for controlling the FET(331).