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Conference Paper: Current driven synchronous rectifier with saturable current transformer and dynamic gate voltage control for LLC resonant converter

TitleCurrent driven synchronous rectifier with saturable current transformer and dynamic gate voltage control for LLC resonant converter
Authors
Ho, GKYYu, RPong, BMH
Issue Date2012
PublisherIEEE.
Citation
The 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?
DOI: http://dx.doi.org/10.1109/APEC.2012.6166150
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.
Persistent Identifierhttp://hdl.handle.net/10722/153073
ISBN
978-1-4577-1216-6
ISSN
1048-2334
ISI Accession Number ID
WOS:000309117700355

 

DC FieldValueLanguage
dc.contributor.authorHo, GKYen_US
dc.contributor.authorYu, Ren_US
dc.contributor.authorPong, BMHen_US
dc.date.accessioned2012-07-16T09:55:44Z-
dc.date.available2012-07-16T09:55:44Z-
dc.date.issued2012en_US
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. 2345-2351en_US
dc.identifier.isbn978-1-4577-1216-6-
dc.identifier.issn1048-2334-
dc.identifier.urihttp://hdl.handle.net/10722/153073-
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.languageengen_US
dc.publisherIEEE.-
dc.relation.ispartofIEEE Applied Power Electronics Conference and Exposition Conference Proceedingsen_US
dc.titleCurrent driven synchronous rectifier with saturable current transformer and dynamic gate voltage control for LLC resonant converteren_US
dc.typeConference_Paperen_US
dc.identifier.emailPong, BMH: mhp@eee.hku.hken_US
dc.identifier.authorityPong, BMH=rp00163en_US
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/APEC.2012.6166150-
dc.identifier.scopuseid_2-s2.0-84860156032-
dc.identifier.hkuros201362en_US
dc.identifier.spage2345en_US
dc.identifier.epage2351en_US
dc.identifier.isiWOS:000309117700355-
dc.publisher.placeUnited States-
dc.customcontrol.immutablesml 140213-
dc.identifier.issnl1048-2334-

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