Analysis and Design of a Unidirectional Resonant Switched-Capacitor Step-Up Converter for OLED Lamp Driving Based on Variable Inductor
This paper presents an analysis and design of a unidirectional resonant switched-capacitor (URSC) step-up converter for organic-lighting-emitting-diode (OLED) lamp driving. The URSC converter includes a very small inductor in series with the SC to improve the switching behavior. Also, the URSC conve...
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| Veröffentlicht in: | IEEE journal of emerging and selected topics in power electronics 2018-09, Vol.6 (3), p.1106-1115 |
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| container_issue | 3 |
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| container_title | IEEE journal of emerging and selected topics in power electronics |
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| creator | Martinez, Gilberto Alonso, Jose Marcos Osorio, Rene |
| description | This paper presents an analysis and design of a unidirectional resonant switched-capacitor (URSC) step-up converter for organic-lighting-emitting-diode (OLED) lamp driving. The URSC converter includes a very small inductor in series with the SC to improve the switching behavior. Also, the URSC converter presents the advantages of high power density, higher efficiency compared to other SC converters, low output voltage and current ripples, and low electromagnetic interference noise, which make it adequate for driving OLED lamps. URSC is designed to operate in closed loop with constant current variable inductor (VI) control technique. By working the resonant inductor as a VI, the OLED current can be regulated and dimmed because of resonant frequency change. Simulation and experimental results of the VI inductor, which are in a good agreement, and the results of a URSC step-up converter design example for a 21.8-W OLED lamps array supplied from 48 Vdc are presented, where a maximum 92.97% efficiency is obtained. |
| doi_str_mv | 10.1109/JESTPE.2018.2827324 |
| format | Article |
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The URSC converter includes a very small inductor in series with the SC to improve the switching behavior. Also, the URSC converter presents the advantages of high power density, higher efficiency compared to other SC converters, low output voltage and current ripples, and low electromagnetic interference noise, which make it adequate for driving OLED lamps. URSC is designed to operate in closed loop with constant current variable inductor (VI) control technique. By working the resonant inductor as a VI, the OLED current can be regulated and dimmed because of resonant frequency change. Simulation and experimental results of the VI inductor, which are in a good agreement, and the results of a URSC step-up converter design example for a 21.8-W OLED lamps array supplied from 48 Vdc are presented, where a maximum 92.97% efficiency is obtained.</description><identifier>ISSN: 2168-6777</identifier><identifier>EISSN: 2168-6785</identifier><identifier>DOI: 10.1109/JESTPE.2018.2827324</identifier><identifier>CODEN: IJESN2</identifier><language>eng</language><publisher>Piscataway: IEEE</publisher><subject>Capacitors ; Closed-loop operation ; Converters ; Density measurement ; Design analysis ; Electromagnetic interference ; Energy conversion efficiency ; Inductors ; Lamps ; Organic light emitting diodes ; organic-lighting-emitting diode (OLED) ; Resonant frequencies ; resonant switched-capacitor (RSC) ; switched capacitor (SC) ; Switches ; Transistors ; variable inductor (VI)</subject><ispartof>IEEE journal of emerging and selected topics in power electronics, 2018-09, Vol.6 (3), p.1106-1115</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c297t-17112bd4b95638078168af7e943fca3155d3969f823cb095109a8e86752a1c453</citedby><cites>FETCH-LOGICAL-c297t-17112bd4b95638078168af7e943fca3155d3969f823cb095109a8e86752a1c453</cites><orcidid>0000-0002-3208-1656 ; 0000-0003-0964-6484 ; 0000-0002-9033-5191</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8338115$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27922,27923,54756</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8338115$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Martinez, Gilberto</creatorcontrib><creatorcontrib>Alonso, Jose Marcos</creatorcontrib><creatorcontrib>Osorio, Rene</creatorcontrib><title>Analysis and Design of a Unidirectional Resonant Switched-Capacitor Step-Up Converter for OLED Lamp Driving Based on Variable Inductor</title><title>IEEE journal of emerging and selected topics in power electronics</title><addtitle>JESTPE</addtitle><description>This paper presents an analysis and design of a unidirectional resonant switched-capacitor (URSC) step-up converter for organic-lighting-emitting-diode (OLED) lamp driving. The URSC converter includes a very small inductor in series with the SC to improve the switching behavior. Also, the URSC converter presents the advantages of high power density, higher efficiency compared to other SC converters, low output voltage and current ripples, and low electromagnetic interference noise, which make it adequate for driving OLED lamps. URSC is designed to operate in closed loop with constant current variable inductor (VI) control technique. By working the resonant inductor as a VI, the OLED current can be regulated and dimmed because of resonant frequency change. Simulation and experimental results of the VI inductor, which are in a good agreement, and the results of a URSC step-up converter design example for a 21.8-W OLED lamps array supplied from 48 Vdc are presented, where a maximum 92.97% efficiency is obtained.</description><subject>Capacitors</subject><subject>Closed-loop operation</subject><subject>Converters</subject><subject>Density measurement</subject><subject>Design analysis</subject><subject>Electromagnetic interference</subject><subject>Energy conversion efficiency</subject><subject>Inductors</subject><subject>Lamps</subject><subject>Organic light emitting diodes</subject><subject>organic-lighting-emitting diode (OLED)</subject><subject>Resonant frequencies</subject><subject>resonant switched-capacitor (RSC)</subject><subject>switched capacitor (SC)</subject><subject>Switches</subject><subject>Transistors</subject><subject>variable inductor (VI)</subject><issn>2168-6777</issn><issn>2168-6785</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kFFPwjAUhRejiQT5Bbw08Xm4tuvaPSKgYpZgBHxduu4OS6Cb7cDwB_zdloxwX87NzTk3OV8QDHE0wjhKn95ny9XHbEQiLEZEEE5JfBP0CE5EmHDBbq875_fBwLlt5EcQlnLRC_7GRu5OTjskTYmm4PTGoLpCEq2NLrUF1eraW9AnOK-mRctf3apvKMOJbKTSbW3RsoUmXDdoUpsj2BYsqvx1kc2mKJP7Bk2tPmqzQc_SQYlqg76k1bLYAZqb8qD8i4fgrpI7B4OL9oP1y2w1eQuzxet8Ms5CRVLehphjTIoyLlKWUBFx4YvJikMa00pJihkraZqklSBUFVHKPB4pQCScEYlVzGg_eOz-Nrb-OYBr8219sL6fy0kkOI8J5cK7aOdStnbOQpU3Vu-lPeU4ys_M8455fmaeX5j71LBLaQC4JgSlAmNG_wHJpXzp</recordid><startdate>20180901</startdate><enddate>20180901</enddate><creator>Martinez, Gilberto</creator><creator>Alonso, Jose Marcos</creator><creator>Osorio, Rene</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The URSC converter includes a very small inductor in series with the SC to improve the switching behavior. Also, the URSC converter presents the advantages of high power density, higher efficiency compared to other SC converters, low output voltage and current ripples, and low electromagnetic interference noise, which make it adequate for driving OLED lamps. URSC is designed to operate in closed loop with constant current variable inductor (VI) control technique. By working the resonant inductor as a VI, the OLED current can be regulated and dimmed because of resonant frequency change. 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| ispartof | IEEE journal of emerging and selected topics in power electronics, 2018-09, Vol.6 (3), p.1106-1115 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Capacitors Closed-loop operation Converters Density measurement Design analysis Electromagnetic interference Energy conversion efficiency Inductors Lamps Organic light emitting diodes organic-lighting-emitting diode (OLED) Resonant frequencies resonant switched-capacitor (RSC) switched capacitor (SC) Switches Transistors variable inductor (VI) |
| title | Analysis and Design of a Unidirectional Resonant Switched-Capacitor Step-Up Converter for OLED Lamp Driving Based on Variable Inductor |
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