Samsung Electronics Co., Ltd.

Yeongil Kim

Kyunghwan Lee

According to certain embodiments, an electronic device comprises: a battery; an interface module; a detection module electrically connected with the interface module, the detection module configured to detect than an external electronic device for receiving power is connected to the interface module; a protection module electrically connected with the interface module and comprising a first switching element; and a charging module electrically connected with the protection module, the detection module, and the battery, and comprising a voltage conversion circuit and a second switching element, the charging module configured to provide a first power to the protection module when the detection module detects connection of the external electronic device, wherein the first switching element is configured to turn on after receiving the first power, wherein the charging module is configured to raise a power from the battery to a designated value through the voltage conversion circuit, thereby resulting in a second power, and, when a designated first time is elapsed after the power from the battery is raised to the designated value, turn on the second switching element, thereby providing the second power to the protection module.

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Gyeonggi-do, South Korea

Yeongil Kim