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Title:
HYBRID RESONANT CONVERTER
Document Type and Number:
WIPO Patent Application WO/2019/011340
Kind Code:
A1
Abstract:
A hybid resonant DC to DC converter uses an LLC or other resonant structure on the primary side, applying a two state waveform to one end of the resonant structure and a multi-state waveform to the other end of the resonant structure. The waveforms are at or near the resonant resonant frequency and the output voltage level is regulated by varying the shape of the multi-state waveform by varying the duty cycle of the switches used to generate it. The allows the converter to operate near or at its optimal resonant point, resulting in higher efficiency, over a wide range of regulated output voltage levels.

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Inventors:
FU DIANBO (US)
DAI HEPING (US)
Application Number:
PCT/CN2018/095717
Publication Date:
January 17, 2019
Filing Date:
July 14, 2018
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H02M3/335
Foreign References:
CN101018017A2007-08-15
CN103944396A2014-07-23
US20080247194A12008-10-09
CN104270026A2015-01-07
CN101257255A2008-09-03
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