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Article: An Off-Line Single-Inductor Multiple-Outputs LED Driver with High Dimming Precision and Full Dimming Range

TitleAn Off-Line Single-Inductor Multiple-Outputs LED Driver with High Dimming Precision and Full Dimming Range
Authors
Issue Date2016
PublisherIEEE.
Citation
IEEE Transactions on Power Electronics, 2016 How to Cite?
AbstractThis paper presents a single-inductor multipleoutputs (SIMO) LED driver with precise dimming and full dimming range. Based on the coordination of a string-level and a system-level dimming schemes, the proposed SIMO LED driver can overcome practical constraints of existing SIMO LED drivers such as limited dimming range and needs for high-current switches. The proposal can achieve dimming precision up to an accuracy of 0.8% and also full dimming range. It has the flexibility of using either phase-shift or synchronous PWM switching for dimming control. The proposed circuit and control operations have been practically verified with a 25 W off-line SIMO driven LED system. Practical evaluations of its power quality and energy efficiency are also provided
Persistent Identifierhttp://hdl.handle.net/10722/231950

 

DC FieldValueLanguage
dc.contributor.authorLi, S-
dc.contributor.authorGUO, Y-
dc.contributor.authorTan, SC-
dc.contributor.authorHui, SYR-
dc.date.accessioned2016-09-20T05:26:34Z-
dc.date.available2016-09-20T05:26:34Z-
dc.date.issued2016-
dc.identifier.citationIEEE Transactions on Power Electronics, 2016-
dc.identifier.urihttp://hdl.handle.net/10722/231950-
dc.description.abstractThis paper presents a single-inductor multipleoutputs (SIMO) LED driver with precise dimming and full dimming range. Based on the coordination of a string-level and a system-level dimming schemes, the proposed SIMO LED driver can overcome practical constraints of existing SIMO LED drivers such as limited dimming range and needs for high-current switches. The proposal can achieve dimming precision up to an accuracy of 0.8% and also full dimming range. It has the flexibility of using either phase-shift or synchronous PWM switching for dimming control. The proposed circuit and control operations have been practically verified with a 25 W off-line SIMO driven LED system. Practical evaluations of its power quality and energy efficiency are also provided-
dc.languageeng-
dc.publisherIEEE.-
dc.relation.ispartofIEEE Transactions on Power Electronics-
dc.rightsIEEE Transactions on Power Electronics. Copyright © IEEE.-
dc.rights©20xx IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.-
dc.titleAn Off-Line Single-Inductor Multiple-Outputs LED Driver with High Dimming Precision and Full Dimming Range-
dc.typeArticle-
dc.identifier.emailLi, S: snli@eee.hku.hk-
dc.identifier.emailTan, SC: sctan@eee.hku.hk-
dc.identifier.emailHui, SYR: ronhui@eee.hku.hk-
dc.identifier.authorityTan, SC=rp01606-
dc.identifier.authorityHui, SYR=rp01510-
dc.identifier.doi10.1109/TPEL.2016.2597237-
dc.identifier.hkuros265465-
dc.identifier.spage1-
dc.identifier.epage1-

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