Title:
MULTIPHASE SERIES-CAPACITOR DC-DC CONVERTER AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2023/272630
Kind Code:
A1
Abstract:
A multiphase series-capacitor DC-DC converter, comprising: a power stage circuit, used to convert an input DC voltage into a stable DC voltage required for a load, the power stage circuit at least comprising two phases of inductors, there being a phase difference of a predetermined interval between currents of the phases of inductors, used to charge the load alternately in sequence, a bidirectional switch being provided between every adjacent two phases of inductors, and when a bidirectional switch is connected, the corresponding two phases of inductors simultaneously charging the load; and a load transient response circuit, used to control at least one bidirectional switch to connect when a load transient forward transition occurs so as to cause the at least two phases of inductors to simultaneously charge the load to quickly respond to transient changes in the load. The present disclosure also provides a control method for the converter, which can implement a quick response to transient changes in the load.
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Inventors:
YUAN JINGYI (CN)
LIU ZEGUO (CN)
CHENG LIN (CN)
WU FENG (CN)
LIU ZEGUO (CN)
CHENG LIN (CN)
WU FENG (CN)
Application Number:
PCT/CN2021/103772
Publication Date:
January 05, 2023
Filing Date:
June 30, 2021
Export Citation:
Assignee:
HEFEI CLT MICROELECTRONICS CO LTD (CN)
International Classes:
H02M3/07; H02M1/088; H02M1/14
Foreign References:
| CN111245236A | 2020-06-05 | |||
| CN1363136A | 2002-08-07 | |||
| TWI649951B | 2019-02-01 | |||
| US20180013348A1 | 2018-01-11 |
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
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