{"title":"Power Loss Analyses for Dynamic Phase Number Control in Multiphase Voltage Regulators","authors":"W. Qiu, C. Cheung, S. Xiao, G. Miller","doi":"10.1109/APEC.2009.4802640","DOIUrl":null,"url":null,"abstract":"To improve efficiency over a wide load range, it is important to dynamically adjust the operational phase number in multiphase voltage regulators. This paper analyzes in detail the power loss profile of a synchronous multi-phase buck converter and defines the optimal phase number under different load conditions. Experimental results are provided to verify the theoretical results.","PeriodicalId":200366,"journal":{"name":"2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition","volume":"26 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"25","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APEC.2009.4802640","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 25
Abstract
To improve efficiency over a wide load range, it is important to dynamically adjust the operational phase number in multiphase voltage regulators. This paper analyzes in detail the power loss profile of a synchronous multi-phase buck converter and defines the optimal phase number under different load conditions. Experimental results are provided to verify the theoretical results.