According to an embodiment, an electronic device may include a housing, an input/output interface including a plurality of pogo pins exposed through a portion of the housing and connectable to an external device in a wired manner, an identification circuit electrically connected to the input/output interface to identify the external device, a processor electrically connected to the identification circuit, and a booster electrically connected to the input/output interface to supply power to the external device.
According to an embodiment, wherein the plurality of pogo pins may include at least one first pin for data communication with the external device, a second pin electrically connected to the identification circuit to transfer an ID of the electronic device, a third pin electrically connected to the booster, and a fourth pin electrically connected to a ground of the electronic device.
According to an embodiment, the electronic device may further include a user serial bus (USB) controller. The input/output interface may be electrically connected to the USB controller
According to an embodiment, the processor or the identification circuit may trigger communication connection with the external device based at least on the second pin.
According to an embodiment, the identification circuit may allow the booster to supply power through the third pin when acquiring an ID of the external device through the second pin.