An Isolated Output-Feedback Scheme With Minimized Standby Power for SMPS
A feedback network for isolated switch-mode power supplies that automatically reduces the currents flowing through the optocoupler to nearly zero under the no-load condition is presented. This feedback network uses a proposed reverse-type shunt regulator to generate an error signal for optical coupl...
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| Veröffentlicht in: | IEEE transactions on power electronics 2013-11, Vol.28 (11), p.5140-5146 |
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| creator | CHANG, Chia-Jung CHEN, Chern-Lin |
| description | A feedback network for isolated switch-mode power supplies that automatically reduces the currents flowing through the optocoupler to nearly zero under the no-load condition is presented. This feedback network uses a proposed reverse-type shunt regulator to generate an error signal for optical coupling, and a modified PWM controller is adopted to receive the feedback signal. In comparison to the conventional topology, this proposed one exhibits much lower standby power loss. Besides, light-load efficiency can be improved as well. For implementing the proposed scheme, the PWM controller and the reverse-type shunt regulator are designed and fabricated in VIS 0.5- μm 5-V/40-V high-voltage CMOS technology. Experiments reveal that a 12-V/18-W flyback converter prototype which adopts the proposed feedback technique will save a power of at least 27 mW under the no-load condition and improve the system efficiency by 2.2% under the 10%-load (1.8-W output) condition. |
| doi_str_mv | 10.1109/TPEL.2013.2240017 |
| format | Article |
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This feedback network uses a proposed reverse-type shunt regulator to generate an error signal for optical coupling, and a modified PWM controller is adopted to receive the feedback signal. In comparison to the conventional topology, this proposed one exhibits much lower standby power loss. Besides, light-load efficiency can be improved as well. For implementing the proposed scheme, the PWM controller and the reverse-type shunt regulator are designed and fabricated in VIS 0.5- μm 5-V/40-V high-voltage CMOS technology. Experiments reveal that a 12-V/18-W flyback converter prototype which adopts the proposed feedback technique will save a power of at least 27 mW under the no-load condition and improve the system efficiency by 2.2% under the 10%-load (1.8-W output) condition.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2013.2240017</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Bypasses ; Control systems ; Control theory ; Controllers ; Design. Technologies. Operation analysis. Testing ; Electric power ; Electrical engineering. Electrical power engineering ; Electrical equipment ; Electrical machines ; Electronic equipment and fabrication. Passive components, printed wiring boards, connectics ; Electronics ; Exact sciences and technology ; Feedback ; Feedback control systems ; Feedback topology ; Input output ; Integrated circuits ; Network topology ; Networks ; Power electronics, power supplies ; Pulse duration modulation ; Pulse width modulation ; pulse width modulation (PWM) controller ; Regulation and control ; Regulators ; Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices ; shunt regulator ; Shunts ; standby power ; switch-mode power supply ; Switches ; Switching theory ; Topology ; Voltage control</subject><ispartof>IEEE transactions on power electronics, 2013-11, Vol.28 (11), p.5140-5146</ispartof><rights>2014 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Nov 2013</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-a890d08d90690b63d180c70827c651370535997aa8219d5dffb940b5d4eb55f63</citedby><cites>FETCH-LOGICAL-c356t-a890d08d90690b63d180c70827c651370535997aa8219d5dffb940b5d4eb55f63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6410436$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6410436$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27895611$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>CHANG, Chia-Jung</creatorcontrib><creatorcontrib>CHEN, Chern-Lin</creatorcontrib><title>An Isolated Output-Feedback Scheme With Minimized Standby Power for SMPS</title><title>IEEE transactions on power electronics</title><addtitle>TPEL</addtitle><description>A feedback network for isolated switch-mode power supplies that automatically reduces the currents flowing through the optocoupler to nearly zero under the no-load condition is presented. This feedback network uses a proposed reverse-type shunt regulator to generate an error signal for optical coupling, and a modified PWM controller is adopted to receive the feedback signal. In comparison to the conventional topology, this proposed one exhibits much lower standby power loss. Besides, light-load efficiency can be improved as well. For implementing the proposed scheme, the PWM controller and the reverse-type shunt regulator are designed and fabricated in VIS 0.5- μm 5-V/40-V high-voltage CMOS technology. Experiments reveal that a 12-V/18-W flyback converter prototype which adopts the proposed feedback technique will save a power of at least 27 mW under the no-load condition and improve the system efficiency by 2.2% under the 10%-load (1.8-W output) condition.</description><subject>Applied sciences</subject><subject>Bypasses</subject><subject>Control systems</subject><subject>Control theory</subject><subject>Controllers</subject><subject>Design. Technologies. Operation analysis. Testing</subject><subject>Electric power</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electrical equipment</subject><subject>Electrical machines</subject><subject>Electronic equipment and fabrication. Passive components, printed wiring boards, connectics</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Feedback</subject><subject>Feedback control systems</subject><subject>Feedback topology</subject><subject>Input output</subject><subject>Integrated circuits</subject><subject>Network topology</subject><subject>Networks</subject><subject>Power electronics, power supplies</subject><subject>Pulse duration modulation</subject><subject>Pulse width modulation</subject><subject>pulse width modulation (PWM) controller</subject><subject>Regulation and control</subject><subject>Regulators</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</subject><subject>shunt regulator</subject><subject>Shunts</subject><subject>standby power</subject><subject>switch-mode power supply</subject><subject>Switches</subject><subject>Switching theory</subject><subject>Topology</subject><subject>Voltage control</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpd0F1LwzAUBuAgCs6PHyDeFETwpvOk-WhyOYa6wcYGm3hZ0iTFaNfOpEX015uxsQuvcnGe83LyInSDYYgxyMf18mk2zACTYZZRAJyfoAGWFKeAIT9FAxCCpUJKco4uQviIgjLAAzQZNck0tLXqrEkWfbftu_TZWlMq_Zms9Lvd2OTNde_J3DVu436jWnWqMeVPsmy_rU-q1ier-XJ1hc4qVQd7fXgv0evz03o8SWeLl-l4NEs1YbxLlZBgQBgJXELJicECdA4iyzVnmOTACJMyV0pkWBpmqqqUFEpmqC0Zqzi5RA_73K1vv3obumLjgrZ1rRrb9qGIGRnH8Xci0rt_9KPtfROvi4oKzoikNCq8V9q3IXhbFVvvNsr_FBiKXbfFrtti121x6Dbu3B-SVdCqrrxqtAvHxSwXksUjorvdO2etPY45xUAJJ3_25X7P</recordid><startdate>20131101</startdate><enddate>20131101</enddate><creator>CHANG, Chia-Jung</creator><creator>CHEN, Chern-Lin</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>F28</scope></search><sort><creationdate>20131101</creationdate><title>An Isolated Output-Feedback Scheme With Minimized Standby Power for SMPS</title><author>CHANG, Chia-Jung ; CHEN, Chern-Lin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-a890d08d90690b63d180c70827c651370535997aa8219d5dffb940b5d4eb55f63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Applied sciences</topic><topic>Bypasses</topic><topic>Control systems</topic><topic>Control theory</topic><topic>Controllers</topic><topic>Design. Technologies. Operation analysis. Testing</topic><topic>Electric power</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electrical equipment</topic><topic>Electrical machines</topic><topic>Electronic equipment and fabrication. Passive components, printed wiring boards, connectics</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Feedback</topic><topic>Feedback control systems</topic><topic>Feedback topology</topic><topic>Input output</topic><topic>Integrated circuits</topic><topic>Network topology</topic><topic>Networks</topic><topic>Power electronics, power supplies</topic><topic>Pulse duration modulation</topic><topic>Pulse width modulation</topic><topic>pulse width modulation (PWM) controller</topic><topic>Regulation and control</topic><topic>Regulators</topic><topic>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</topic><topic>shunt regulator</topic><topic>Shunts</topic><topic>standby power</topic><topic>switch-mode power supply</topic><topic>Switches</topic><topic>Switching theory</topic><topic>Topology</topic><topic>Voltage control</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>CHANG, Chia-Jung</creatorcontrib><creatorcontrib>CHEN, Chern-Lin</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><jtitle>IEEE transactions on power electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHANG, Chia-Jung</au><au>CHEN, Chern-Lin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An Isolated Output-Feedback Scheme With Minimized Standby Power for SMPS</atitle><jtitle>IEEE transactions on power electronics</jtitle><stitle>TPEL</stitle><date>2013-11-01</date><risdate>2013</risdate><volume>28</volume><issue>11</issue><spage>5140</spage><epage>5146</epage><pages>5140-5146</pages><issn>0885-8993</issn><eissn>1941-0107</eissn><coden>ITPEE8</coden><abstract>A feedback network for isolated switch-mode power supplies that automatically reduces the currents flowing through the optocoupler to nearly zero under the no-load condition is presented. This feedback network uses a proposed reverse-type shunt regulator to generate an error signal for optical coupling, and a modified PWM controller is adopted to receive the feedback signal. In comparison to the conventional topology, this proposed one exhibits much lower standby power loss. Besides, light-load efficiency can be improved as well. For implementing the proposed scheme, the PWM controller and the reverse-type shunt regulator are designed and fabricated in VIS 0.5- μm 5-V/40-V high-voltage CMOS technology. Experiments reveal that a 12-V/18-W flyback converter prototype which adopts the proposed feedback technique will save a power of at least 27 mW under the no-load condition and improve the system efficiency by 2.2% under the 10%-load (1.8-W output) condition.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TPEL.2013.2240017</doi><tpages>7</tpages></addata></record> |
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| subjects | Applied sciences Bypasses Control systems Control theory Controllers Design. Technologies. Operation analysis. Testing Electric power Electrical engineering. Electrical power engineering Electrical equipment Electrical machines Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Exact sciences and technology Feedback Feedback control systems Feedback topology Input output Integrated circuits Network topology Networks Power electronics, power supplies Pulse duration modulation Pulse width modulation pulse width modulation (PWM) controller Regulation and control Regulators Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices shunt regulator Shunts standby power switch-mode power supply Switches Switching theory Topology Voltage control |
| title | An Isolated Output-Feedback Scheme With Minimized Standby Power for SMPS |
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