{"title":"采用超级二极管配置的自适应电流镜LED驱动器","authors":"Sungjin Choi","doi":"10.1109/ICIT.2014.6894893","DOIUrl":null,"url":null,"abstract":"An improved current-mirror LED driver is presented in this paper. Incorporating a super-diode configuration, this circuit selects a reference current automatically to prevent transistor saturation even in a wide forward voltage spread in the LED string voltage. Using a statistical cost function evaluation based on a Monte-Carlo analysis through MATLAB/PSIM co-simulation, the performance of the proposed circuit is analyzed and compared with that of the conventional circuit using a self-configurable Darlington-pair.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Adaptive current-mirror LED driver employing super-diode configuration\",\"authors\":\"Sungjin Choi\",\"doi\":\"10.1109/ICIT.2014.6894893\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An improved current-mirror LED driver is presented in this paper. Incorporating a super-diode configuration, this circuit selects a reference current automatically to prevent transistor saturation even in a wide forward voltage spread in the LED string voltage. Using a statistical cost function evaluation based on a Monte-Carlo analysis through MATLAB/PSIM co-simulation, the performance of the proposed circuit is analyzed and compared with that of the conventional circuit using a self-configurable Darlington-pair.\",\"PeriodicalId\":240337,\"journal\":{\"name\":\"2014 IEEE International Conference on Industrial Technology (ICIT)\",\"volume\":\"2 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2014-09-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2014 IEEE International Conference on Industrial Technology (ICIT)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICIT.2014.6894893\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2014 IEEE International Conference on Industrial Technology (ICIT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICIT.2014.6894893","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Adaptive current-mirror LED driver employing super-diode configuration
An improved current-mirror LED driver is presented in this paper. Incorporating a super-diode configuration, this circuit selects a reference current automatically to prevent transistor saturation even in a wide forward voltage spread in the LED string voltage. Using a statistical cost function evaluation based on a Monte-Carlo analysis through MATLAB/PSIM co-simulation, the performance of the proposed circuit is analyzed and compared with that of the conventional circuit using a self-configurable Darlington-pair.
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