公开(公告)号：US20240364214A1

公开(公告)日：2024-10-31

申请号：US18676052

申请日：2024-05-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Keonwoo KIM ,  Moonyoung KIM ,  Sangmin LIM

IPC: H02M3/00 ,  G09G3/20 ,  H01F27/38 ,  H02M3/335

CPC classification number: H02M3/01 ,  G09G3/20 ,  H01F27/38 ,  H02M3/003 ,  H02M3/33571 ,  G09G2330/02

Abstract: Provided are a logical link control (LLC) resonant converter including a primary side circuit and a secondary side circuit, and a display device and an electronic device including the LLC resonant converter, wherein the secondary side circuit includes: a first diode including a first anode electrically connected to a first node, a second diode including a second anode electrically connected to the first node, a first inductor electrically connected between a first cathode of the first diode and a second node, a second inductor electrically connected between the second node and a second cathode of the second diode, a first capacitor electrically connected between the first node and the second node, a third inductor electrically connected between the first cathode and a third node, a fourth inductor electrically connected between the second cathode and the third node, and a second capacitor electrically connected between the first node and the third node.

公开(公告)号：US20230387820A1

公开(公告)日：2023-11-30

申请号：US18206428

申请日：2023-06-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngho CHOI ,  Sangmin LIM

IPC: H02M5/458 ,  H02M1/44 ,  H02M1/00 ,  H02H7/12

CPC classification number: H02M5/458 ,  H02M1/44 ,  H02M1/0009 ,  H02H7/1203 ,  H02M3/33571

Abstract: A switching mode power supply including: a power input unit configured to receive an input alternating current (AC) voltage; a rectification unit configured to rectify the input AC voltage; a condenser configured to smooth the rectified input AC voltage; a current detection unit configured to detect a surge current flowing in the condenser; and a converter including switching elements, the converter being outputting a direct current (DC) voltage based on a voltage applied to first and second ends of the condenser and on/off duty ratios of the switching elements. The switching elements are configured to be turned off based on the surge current being detected by the current detection unit.