公开(公告)号：US20240154538A1

公开(公告)日：2024-05-09

申请号：US18550686

申请日：2022-07-07

Applicant: POWER LSI CO.,LTD.

Inventor： Won Tae LEE ,  Won Ji LEE ,  Chuen Sik JUNG ,  Gyu Won LEE

IPC: H02M3/335 ,  H02M1/08 ,  H02M1/32 ,  H02M3/00

CPC classification number: H02M3/33592 ,  H02M1/08 ,  H02M1/32 ,  H02M3/01 ,  H02M3/33571 ,  H02M1/4208

Abstract: According to an embodiment of the present disclosure, a resonant convertor for a power supply device may comprise a synchronous rectifier comprising at least one MOSFET to convert an alternating current into a direct current; a circuit isolation device to receive a state signal from a component included in a first circuit module and to generate a first synchronous rectifier control signal based on the received state signal; a load state detection module to detect a state of a load stage included in a second circuit side and to generate a second synchronous rectifier control signal based on the detected state; and a synchronous rectifier control module to receive the first and the second synchronous rectifier control signals and to control the synchronous rectifier based on at least one of the first and the second synchronous rectifier control signals.

公开(公告)号：US20240186881A1

公开(公告)日：2024-06-06

申请号：US18467774

申请日：2023-09-15

Applicant: POWER LSI CO.,LTD.

Inventor： Won Tae LEE ,  Won Ji LEE ,  Chuen Sik JUNG ,  Gyu Won LEE

IPC: H02M1/00

CPC classification number: H02M1/0032

Abstract: An embodiment of the present disclosure provides a zero standby power system, comprising a power supply device comprising a plurality of power stages and a zero standby power device configured to receive an on/off signal and to control connections respectively to the plurality of power stages based on the received on/off signal, wherein the zero standby power device may comprise an on/off controller configured to be maintained to be in an operation state and to receive an on/off signal at an arbitrary time point.