Improved digital control scheme of synchronous rectification for resonant converter at light load conditions

Mitsuru Sato, Gamal M. Dousoky, Masahito Shoyama

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

This paper proposes a synchronous rectification (SR) control scheme for LLC resonant converter by digital controller. In the proposed SR control scheme, conduction detector circuit senses the drain-source voltage of secondary SR switches to detect the state of paralleled body diode. Digital controller tunes the turn-on and turn-off time of SR switches depending on conduction detector circuit output. Proposed SR control scheme can properly achieve SR at full load condition a simple implementation. Furthermore, it is capable of suppressing circulating current from output to input than conventional SR control scheme in light load condition. Thus, proposed SR control scheme can improve efficiency rather than conventional SR control scheme.

本文言語英語
ホスト出版物のタイトル2015 IEEE International Telecommunications Energy Conference, INTELEC 2015
出版社Institute of Electrical and Electronics Engineers Inc.
ISBN(電子版)9781479965823
DOI
出版ステータス出版済み - 9 20 2016
イベント2015 IEEE International Telecommunications Energy Conference, INTELEC 2015 - Osaka, 日本
継続期間: 10 18 201510 22 2015

出版物シリーズ

名前INTELEC, International Telecommunications Energy Conference (Proceedings)
2016-September
ISSN(印刷版)0275-0473

その他

その他2015 IEEE International Telecommunications Energy Conference, INTELEC 2015
国/地域日本
CityOsaka
Period10/18/1510/22/15

All Science Journal Classification (ASJC) codes

  • エネルギー工学および電力技術
  • 電子工学および電気工学

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