公开(公告)号：US20230155585A1

公开(公告)日：2023-05-18

申请号：US18155439

申请日：2023-01-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jehyung CHO ,  Teaho LEE ,  Daesung KANG ,  Dongjo SHIN ,  Cheolhun CHO

IPC: H03K17/18 ,  H02M1/00 ,  G01R19/155

CPC classification number: H03K17/18 ,  H02M1/0003 ,  G01R19/155 ,  H02J9/005

Abstract: A power supply device is provided. The power supply device includes a first switch element for selectively providing an alternating current (AC) power source to an actuation device, a second switch element for selectively providing the AC power source to the first switch element, a detection circuit for confirming whether or not the first switch element is in a full turn-on state, by comparing an input power source and an output power source of the first switch element, a sensor for sensing the size of the AC power source, and a controller for selectively controlling the operation of the second switch element on the basis of the sensed size of the AC power source and the confirmed full turn-on state.

公开(公告)号：US20230155476A1

公开(公告)日：2023-05-18

申请号：US18155456

申请日：2023-01-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jehyung CHO ,  Ganghyun KIM ,  Dongjo SHIN ,  Daesung KANG ,  Sungin PARK ,  Hyojea SHIN ,  Teaho LEE

IPC: H02M1/00 ,  H02M1/36 ,  H02M7/72 ,  H02P27/06

CPC classification number: H02M1/0045 ,  H02M1/36 ,  H02M7/72 ,  H02P27/06

Abstract: A power supply device is provided. The power supply device includes a rectifier circuit for rectifying an inputted alternating current power supply, a capacitor circuit comprising a first and second capacitor which are connected in series, and smoothing the alternating current power supply rectified in the rectifier circuit, an inverter for converting the output power of the capacitor circuit to a preset power and outputting same, a switch for selectively connecting a middle node of the first capacitor and the second capacitor and an end of the alternating current power, a sensor for detecting a size of the alternating current power, and a controller which confirms a power mode of the alternating current power on the basis of an output value of the sensor, and which controls the switch so that the capacitor circuit multiplies and amplifies the selectively rectified alternating current power based on the confirmed power mode.