公开(公告)号：US20210173463A1

公开(公告)日：2021-06-10

申请号：US16769302

申请日：2018-11-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kunsuk KIM ,  Jehwan LEE ,  Sangwook KIM

IPC: G06F1/28 ,  H02M3/158 ,  G06F1/20

Abstract: Disclosed in various embodiments of the present invention are an electronic device for adjusting a voltage and an operating method therefor. The electronic device comprises: at least one first converter for supporting a plurality of operating modes for changing voltage; a second converter supporting the plurality of operating modes and connected with the at least one first converter in series; and at least one processor, wherein the processor can be configured to determine an intermediate voltage between the at least one first converter and the second converter on the basis of an input voltage of the at least one first converter and an output voltage of the second converter, and control an operating mode of each of the at least one first converter and the second converter on the basis of the determined intermediate voltage. Other embodiments are also possible.

公开(公告)号：US20230155366A1

公开(公告)日：2023-05-18

申请号：US17046133

申请日：2020-09-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jehwan LEE

IPC: H02H3/087 ,  H02H1/00 ,  H02H3/093

CPC classification number: H02H3/087 ,  H02H1/003 ,  H02H3/0935

Abstract: An electronic device having an overcurrent protection function is provided. The electronic device includes at least one power converter, the at least one power converter including a power conversion unit to convert input voltage or input current to supply output current, a control unit to adjust the output current, and an overcurrent protection unit to detect the output current and transmit a detection result to the control unit, and wherein the overcurrent protection unit includes an overcurrent extraction module to output a difference between the output current exceeding designated first reference current and the first reference current; a calculation module to calculate an accumulative value obtained by integrating the difference with respect to time, and a first comparison module to compare the accumulative value with a designated critical value and to transmit a first detection result in which the accumulative value exceeds the critical value to the control unit.

公开(公告)号：US20220083117A1

公开(公告)日：2022-03-17

申请号：US17475231

申请日：2021-09-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jehwan LEE ,  Kunsuk KIM ,  Jiwoo LEE

IPC: G06F1/3234 ,  H02J7/00 ,  G06F1/26 ,  G06F1/3212 ,  G06F1/16

Abstract: According to various embodiments, an electronic device may comprise: a connection circuit configured to connect to an external electronic device, a processor configured to: transmit, to a low power control circuit, a first control signal including power saving state information for the electronic device and a second control signal including charging enabled state information based on a power state of the electronic device being a power saving state, and a charging function setting state for the external electronic device being determined as a charging enabled state based on the external electronic device being connected to the connection circuit, and the low power control circuit being configured to cut off first power to a data input/output control circuit based on the power saving state information for the electronic device included in the first control signal and to supply second power to the external electronic device connected to the connection circuit based on the charging enabled state information included in the second control signal.