公开(公告)号：US12040720B2

公开(公告)日：2024-07-16

申请号：US17704442

申请日：2022-03-25

申请人： Chicony Power Technology Co., Ltd. ,  National Taipei University of Technology

发明人： Yen-Shin Lai ,  Yong-Yi Huang ,  Xiang-Yu Wu ,  You-Quan Dong ,  Shu-Hao Wu

IPC分类号： H02M3/335 ,  H02M1/00 ,  H02M1/08 ,  H02M3/00

CPC分类号： H02M3/33573 ,  H02M1/0035 ,  H02M1/08 ,  H02M3/01 ,  H02M3/33576

摘要： A resonance conversion device and a universal serial bus circuit are provided. The resonance conversion device includes an input filter circuit, a full-bridge LLC converter circuit, a transformer circuit, a rectifier filter circuit, and a controller. The controller is configured to determine whether an indication voltage of a voltage command is less than or equal to a threshold value and to perform the following steps: in response to the indication voltage being less than or equal to the threshold value, controlling the full-bridge LLC converter circuit into a half-bridge operation mode, and regulating the DC output voltage by performing half-bridge burst mode control on the full-bridge LLC converter circuit based on the DC output voltage; and in response to the indication voltage being greater than the threshold value, regulating the DC output voltage by performing full-bridge burst mode control on the full-bridge LLC converter circuit based on the DC output voltage.

公开(公告)号：US20230238890A1

公开(公告)日：2023-07-27

申请号：US17704442

申请日：2022-03-25

申请人： Chicony Power Technology Co., Ltd. ,  National Taipei University of Technology

发明人： Yen-Shin Lai ,  Yong-Yi Huang ,  Xiang-Yu Wu ,  You-Quan Dong ,  Shu-Hao Wu

IPC分类号： H02M3/335 ,  H02M3/00 ,  H02M1/00 ,  H02M1/08

CPC分类号： H02M3/33573 ,  H02M3/01 ,  H02M1/0035 ,  H02M1/08 ,  H02M3/33576

摘要： A resonance conversion device and a universal serial bus circuit are provided. The resonance conversion device includes an input filter circuit, a full-bridge LLC converter circuit, a transformer circuit, a rectifier filter circuit, and a controller. The controller is configured to determine whether an indication voltage of a voltage command is less than or equal to a threshold value and to perform the following steps: in response to the indication voltage being less than or equal to the threshold value, controlling the full-bridge LLC converter circuit into a half-bridge operation mode, and regulating the DC output voltage by performing half-bridge burst mode control on the full-bridge LLC converter circuit based on the DC output voltage; and in response to the indication voltage being greater than the threshold value, regulating the DC output voltage by performing full-bridge burst mode control on the full-bridge LLC converter circuit based on the DC output voltage.