{"title":"用于照明应用的过渡模式可调光LED驱动器","authors":"T. Ching","doi":"10.1109/IPEC.2010.5542218","DOIUrl":null,"url":null,"abstract":"A transition-mode (TM) dimmable high brightness light-emitting-diode (LED) driver for general and residential illumination applications is presented. An improved pulse-width modulation dimming technique utilizing a low cost micro-controller is studied and implemented with a current-regulated LED drive. Under universal input voltage operation, high power factor and high efficiency can be achieved by a coupled inductor flyback converter, regulated by a TM power-factor-correction controller. The operation principles of the proposed LED driver will be discussed and evaluated. A laboratory prototype is also designed and tested for verification.","PeriodicalId":353540,"journal":{"name":"The 2010 International Power Electronics Conference - ECCE ASIA -","volume":"3 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2010-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":"{\"title\":\"Transition-mode dimmable LED driver for illumination applications\",\"authors\":\"T. Ching\",\"doi\":\"10.1109/IPEC.2010.5542218\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A transition-mode (TM) dimmable high brightness light-emitting-diode (LED) driver for general and residential illumination applications is presented. An improved pulse-width modulation dimming technique utilizing a low cost micro-controller is studied and implemented with a current-regulated LED drive. Under universal input voltage operation, high power factor and high efficiency can be achieved by a coupled inductor flyback converter, regulated by a TM power-factor-correction controller. The operation principles of the proposed LED driver will be discussed and evaluated. A laboratory prototype is also designed and tested for verification.\",\"PeriodicalId\":353540,\"journal\":{\"name\":\"The 2010 International Power Electronics Conference - ECCE ASIA -\",\"volume\":\"3 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2010-06-21\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"7\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"The 2010 International Power Electronics Conference - ECCE ASIA -\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IPEC.2010.5542218\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"The 2010 International Power Electronics Conference - ECCE ASIA -","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IPEC.2010.5542218","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Transition-mode dimmable LED driver for illumination applications
A transition-mode (TM) dimmable high brightness light-emitting-diode (LED) driver for general and residential illumination applications is presented. An improved pulse-width modulation dimming technique utilizing a low cost micro-controller is studied and implemented with a current-regulated LED drive. Under universal input voltage operation, high power factor and high efficiency can be achieved by a coupled inductor flyback converter, regulated by a TM power-factor-correction controller. The operation principles of the proposed LED driver will be discussed and evaluated. A laboratory prototype is also designed and tested for verification.
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