公开(公告)号：US20240333122A1

公开(公告)日：2024-10-03

申请号：US18406391

申请日：2024-01-08

Applicant: MIX-DESIGN SEMICONDUCTOR TECHNOLOGIES LTD.

Inventor： Wanle LIU

IPC: H02M1/00 ,  H02M3/335

CPC classification number: H02M1/0003 ,  H02M3/33576

Abstract: The present application discloses a switching power supply system with both analog and digital feedback, the steps for regulating an output voltage of the switching power supply system are as follows: indirectly obtaining the system output voltage on a primary side of the switch power supply, and regulating the output voltage for a first time by controlling a primary switch tuber; directly obtaining an actual output voltage of the system on a secondary side of the switching power supply, obtaining a voltage difference between the actual output voltage of the system and a load demand voltage, and regulating the output voltage secondary according to the voltage difference.

公开(公告)号：US20240333165A1

公开(公告)日：2024-10-03

申请号：US18386875

申请日：2023-11-03

Applicant: MIX-DESIGN SEMICONDUCTOR TECHNOLOGIES LTD.

Inventor： Wanle LIU

IPC: H02M3/335 ,  H02M1/00 ,  H03M1/66

CPC classification number: H02M3/33592 ,  H02M1/0012 ,  H03M1/66

Abstract: The present application discloses a switching power supply using a transformer for transmitting information. The switching power supply includes an encoding and controlling circuit configured for generating an encoded signal based on output information of the secondary side and demand information of an electrical equipment, and modulating the encoded signal onto a switch voltage waveform; a primary chip, configured to obtain the induced switch voltage waveform from the auxiliary winding; a decoding and controlling circuit configured for decoding the modulated switching voltage waveform; and a loop control and drive module configured to control on/off of the primary side switch tube according to decoded results to adjust the secondary side output information.