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Conference Paper: Current driven synchronous rectifier with saturable current transformer and dynamic gate voltage control for LLC resonant converter
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TitleCurrent driven synchronous rectifier with saturable current transformer and dynamic gate voltage control for LLC resonant converter
 
AuthorsHo, GKY
Yu, R
Pong, BMH
 
Issue Date2012
 
PublisherIEEE.
 
CitationThe 27th Annual IEEE Applied Power Electronics Conference and Exposition (APEC 2012), Orlando, FL., 5-9 February 2012. In IEEE Applied Power Electronics Conference and Exposition Conference Proceedings, 2012, p. 2345-2351 [How to Cite?]
 
AbstractThis paper proposes an improved current driven synchronous rectifier with saturable current transformer and dynamic gate voltage control feature for LLC resonant converter efficiency improvement. A model of saturable current transformer is proposed. Compared with other voltage driven and current-driven synchronous rectifier, this current driven synchronous rectifier has several outstanding characteristics. This synchronous rectifier is completely self-contained. It needs no external signal or power supply. It is also insensitive to parasitic inductance. Inherent dynamic gate voltage control reduces gate loss in the MOSFET by saturable current transformer. A 300W 400V-12V converter is built to demonstrate the advantages of the proposed current driven synchronous rectifier. High efficiency at 98% can be achieved. There is more than 4% efficiency improvement compared with schottky diode.
 
ISBN978-1-4577-1216-6
 
ISSN1048-2334
 
DC FieldValue
dc.contributor.authorHo, GKY
 
dc.contributor.authorYu, R
 
dc.contributor.authorPong, BMH
 
dc.date.accessioned2012-07-16T09:55:44Z
 
dc.date.available2012-07-16T09:55:44Z
 
dc.date.issued2012
 
dc.description.abstractThis paper proposes an improved current driven synchronous rectifier with saturable current transformer and dynamic gate voltage control feature for LLC resonant converter efficiency improvement. A model of saturable current transformer is proposed. Compared with other voltage driven and current-driven synchronous rectifier, this current driven synchronous rectifier has several outstanding characteristics. This synchronous rectifier is completely self-contained. It needs no external signal or power supply. It is also insensitive to parasitic inductance. Inherent dynamic gate voltage control reduces gate loss in the MOSFET by saturable current transformer. A 300W 400V-12V converter is built to demonstrate the advantages of the proposed current driven synchronous rectifier. High efficiency at 98% can be achieved. There is more than 4% efficiency improvement compared with schottky diode.
 
dc.description.naturepublished_or_final_version
 
dc.identifier.citationThe 27th Annual IEEE Applied Power Electronics Conference and Exposition (APEC 2012), Orlando, FL., 5-9 February 2012. In IEEE Applied Power Electronics Conference and Exposition Conference Proceedings, 2012, p. 2345-2351 [How to Cite?]
 
dc.identifier.epage2351
 
dc.identifier.hkuros201362
 
dc.identifier.isbn978-1-4577-1216-6
 
dc.identifier.issn1048-2334
 
dc.identifier.spage2345
 
dc.identifier.urihttp://hdl.handle.net/10722/153073
 
dc.languageeng
 
dc.publisherIEEE.
 
dc.publisher.placeUnited States
 
dc.relation.ispartofIEEE Applied Power Electronics Conference and Exposition Conference Proceedings
 
dc.rightsIEEE Applied Power Electronics Conference and Exposition Conference Proceedings. Copyright © IEEE.
 
dc.rights©2012 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
 
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License
 
dc.titleCurrent driven synchronous rectifier with saturable current transformer and dynamic gate voltage control for LLC resonant converter
 
dc.typeConference_Paper
 
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<item><contributor.author>Ho, GKY</contributor.author>
<contributor.author>Yu, R</contributor.author>
<contributor.author>Pong, BMH</contributor.author>
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<identifier.issn>1048-2334</identifier.issn>
<identifier.uri>http://hdl.handle.net/10722/153073</identifier.uri>
<description.abstract>This paper proposes an improved current driven synchronous rectifier with saturable current transformer and dynamic gate voltage control feature for LLC resonant converter efficiency improvement. A model of saturable current transformer is proposed. Compared with other voltage driven and current-driven synchronous rectifier, this current driven synchronous rectifier has several outstanding characteristics. This synchronous rectifier is completely self-contained. It needs no external signal or power supply. It is also insensitive to parasitic inductance. Inherent dynamic gate voltage control reduces gate loss in the MOSFET by saturable current transformer. A 300W 400V-12V converter is built to demonstrate the advantages of the proposed current driven synchronous rectifier. High efficiency at 98% can be achieved. There is more than 4% efficiency improvement compared with schottky diode.</description.abstract>
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<rights>&#169;2012 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.</rights>
<rights>Creative Commons: Attribution 3.0 Hong Kong License</rights>
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