O. Goualard, N. Videau, Thi Bang Doan, T. Lebey, V. Bley, T. Meynard
{"title":"Integrated screen printed capacitors in a GaN DC-DC converter allowing double side cooling","authors":"O. Goualard, N. Videau, Thi Bang Doan, T. Lebey, V. Bley, T. Meynard","doi":"10.1109/ESTC.2014.6962725","DOIUrl":null,"url":null,"abstract":"Modern power electronics is focused on highly efficient, compact and cost-effective converters. In this paper, gallium nitride (GaN) transistors, multicell topology and integrated capacitors are combined to achieve these objectives. The first results of a 48V-to-5V DC/DC 3-level converter using integrated screen printed capacitors are presented. The power board is designed by assembling a ceramic substrate, with integrated capacitors using a Kapton® film as an insulation layer, and a multilayer PCB substrate for the active components. The integrated screen-printed capacitors technique and the proposed power board assembly allow double side cooling of the power semiconductors.","PeriodicalId":299981,"journal":{"name":"Proceedings of the 5th Electronics System-integration Technology Conference (ESTC)","volume":"397 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 5th Electronics System-integration Technology Conference (ESTC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESTC.2014.6962725","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
Modern power electronics is focused on highly efficient, compact and cost-effective converters. In this paper, gallium nitride (GaN) transistors, multicell topology and integrated capacitors are combined to achieve these objectives. The first results of a 48V-to-5V DC/DC 3-level converter using integrated screen printed capacitors are presented. The power board is designed by assembling a ceramic substrate, with integrated capacitors using a Kapton® film as an insulation layer, and a multilayer PCB substrate for the active components. The integrated screen-printed capacitors technique and the proposed power board assembly allow double side cooling of the power semiconductors.
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