BATTERY PROTECTION CIRCUIT MODULE AND BATTERY PACK COMPRISING SAME

摘要

A battery protection circuit module, according to an aspect of the present invention, comprises: a first positive electrode terminal and a first negative electrode terminal that are electrically connected with electrode terminals of a battery bare cell; a second positive electrode terminal and a second negative electrode terminal that are electrically connected to a charger or an electronic device; a single field-effect transistor that includes a drain terminal, a source terminal, a gate terminal, and a well terminal, wherein the drain terminal is electrically connected to the first negative electrode terminal, and the source terminal is electrically connected to the second negative electrode terminal; and a protection integrated circuit device that controls charge and discharge of the battery bare cell by controlling switching of the single field-effect transistor by controlling the gate terminal, and by controlling the bias of the well terminal using an internal switch device.