Title:
DC-DC CONVERTER
Document Type and Number:
WIPO Patent Application WO/2024/067343
Kind Code:
A1
Abstract:
A DC-DC converter, comprising a mode switching unit, a first current measurement unit, a second current measurement unit, a third current measurement unit and a logic module, wherein the mode switching unit is used for comparing a reference voltage (V1) with an output voltage (Vea) of an error amplifier to obtain a first control signal (OUT1); the first current measurement unit is used for generating a second control signal (OUT2), and the second current measurement unit and the third current measurement unit are used for generating a third control signal (OUT3); and a logic unit realizes the conversion between a light-load working state or a heavy-load working state of the converter on the basis of the first control signal (OUT1), and realizes control over the on and off states of a power tube in the converter in the light-load working state on the basis of the second control signal (OUT2) and the third control signal (OUT3).
Inventors:
YU XIANG (CN)
XU JING (CN)
XU JING (CN)
Application Number:
PCT/CN2023/120353
Publication Date:
April 04, 2024
Filing Date:
September 21, 2023
Export Citation:
Assignee:
SHENGBANG MICROELECTRONICS SUZHOU CO LTD (CN)
International Classes:
H02M3/156; H02M1/00; H02M1/088; H02M3/157; H02M3/158
Foreign References:
| CN115395778A | 2022-11-25 | |||
| CN101510721A | 2009-08-19 | |||
| CN113839556A | 2021-12-24 | |||
| CN102497103A | 2012-06-13 |
Attorney, Agent or Firm:
BEIJING NEWIPS INTELLECTUALPROPERTYLTD (CN)
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