Losses analysis and low standby losses quasi-resonant flyback converter design

Guan Chun Huang, Tsorng-Juu Liang, Chen Kai-Hui Chen

Research output: Contribution to conferencePaper

10 Citations (Scopus)

Abstract

In this paper, an AC-DC flyback converter with low power loss during low load condition is designed and implemented. A power loss model and breakdown of the quasi-resonant flyback converter is not only derived, but also analyzed with mathematic analysis software, MathCAD ®. A new efficiency oriented burst mode control method is proposed to improve the system efficiency under standby condition. A laboratory prototype quasi-resonant flyback converter with universal range input voltage of 90264 V rms and output 24V/4.17A is implemented to verify the theoretical analysis. The power loss of the quasi-resonant flyback converter at 0.25 W load and 264 V rms is 160 mW that achieve the Energy Star Standard.

Original languageEnglish
Pages217-220
Number of pages4
DOIs
Publication statusPublished - 2012 Sep 28
Event2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012 - Seoul, Korea, Republic of
Duration: 2012 May 202012 May 23

Other

Other2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012
CountryKorea, Republic of
CitySeoul
Period12-05-2012-05-23

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All Science Journal Classification (ASJC) codes

  • Hardware and Architecture
  • Electrical and Electronic Engineering

Cite this

Huang, G. C., Liang, T-J., & Kai-Hui Chen, C. (2012). Losses analysis and low standby losses quasi-resonant flyback converter design. 217-220. Paper presented at 2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012, Seoul, Korea, Republic of. https://doi.org/10.1109/ISCAS.2012.6271718
Huang, Guan Chun ; Liang, Tsorng-Juu ; Kai-Hui Chen, Chen. / Losses analysis and low standby losses quasi-resonant flyback converter design. Paper presented at 2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012, Seoul, Korea, Republic of.4 p.
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Huang, GC, Liang, T-J & Kai-Hui Chen, C 2012, 'Losses analysis and low standby losses quasi-resonant flyback converter design', Paper presented at 2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012, Seoul, Korea, Republic of, 12-05-20 - 12-05-23 pp. 217-220. https://doi.org/10.1109/ISCAS.2012.6271718

Losses analysis and low standby losses quasi-resonant flyback converter design. / Huang, Guan Chun; Liang, Tsorng-Juu; Kai-Hui Chen, Chen.

2012. 217-220 Paper presented at 2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012, Seoul, Korea, Republic of.

Research output: Contribution to conferencePaper

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AB - In this paper, an AC-DC flyback converter with low power loss during low load condition is designed and implemented. A power loss model and breakdown of the quasi-resonant flyback converter is not only derived, but also analyzed with mathematic analysis software, MathCAD ®. A new efficiency oriented burst mode control method is proposed to improve the system efficiency under standby condition. A laboratory prototype quasi-resonant flyback converter with universal range input voltage of 90264 V rms and output 24V/4.17A is implemented to verify the theoretical analysis. The power loss of the quasi-resonant flyback converter at 0.25 W load and 264 V rms is 160 mW that achieve the Energy Star Standard.

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Huang GC, Liang T-J, Kai-Hui Chen C. Losses analysis and low standby losses quasi-resonant flyback converter design. 2012. Paper presented at 2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012, Seoul, Korea, Republic of. https://doi.org/10.1109/ISCAS.2012.6271718