公开(公告)号：US11489371B2

公开(公告)日：2022-11-01

申请号：US16934511

申请日：2020-07-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Taehyun Woo ,  Yongsik Nam ,  Youngjoon Park ,  Jungsu Park ,  Woojin Jung

IPC: H02J50/80 ,  H02J50/10

Abstract: A wireless charging device in communication with an electronic device is provided. The wireless charging device includes a charging circuit configured to communicate with the electronic device at a first frequency that is included in a frequency band of the electronic device and supple power received from an external power source to the electronic device depending on a communication result at the first frequency, and a control circuit configured to convert the first frequency, based on a response of the electronic device to a first connection signal that is transmitted from the charging circuit to the electronic device.

公开(公告)号：US20220416559A1

公开(公告)日：2022-12-29

申请号：US17722544

申请日：2022-04-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yongjun Choi ,  Youngjoon Park

IPC: H02J7/00 ,  G01K3/00 ,  G01R19/165

Abstract: According to various embodiments, an electronic device may include: a housing, a battery, at least one sensor, a charging circuit, and at least one processor, wherein the at least one processor is configured to: control the charging circuit to charge the battery with a first charging current through the charging circuit, measure a temperature associated with the electronic device using the at least one sensor while charging the battery with the first charging current, based on the temperature associated with the electronic device being equal to or higher than a first threshold temperature, decrease the first charging current to be a second charging current and charge the battery with the second charging current, and based on the temperature associated with the electronic device being below a second threshold temperature lower than the firstSAVE threshold temperature while charging the battery with the second charging current, decrease the first charging current and charge the battery with the decreased charging current, wherein the battery is configured to be charged with the first charging current decreased based on a number of times the first charge current has been decreased, the temperature associated with the electronic device being below the first threshold temperature.