Drive circuit for synchronous rectifiers in isolated forward converter
A forward converter circuit that includes synchronous rectifiers as the forward and freewheeling rectifying elements in the output stage. The forward converter also includes a drive circuit for the synchronous rectifiers. The drive circuit includes an auxiliary secondary winding on the power transfo...
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| creator | CHIK WONG SIU CHUEN WONG MAN |
| description | A forward converter circuit that includes synchronous rectifiers as the forward and freewheeling rectifying elements in the output stage. The forward converter also includes a drive circuit for the synchronous rectifiers. The drive circuit includes an auxiliary secondary winding on the power transformer which is used to generate the gate control signal for the forward synchronous rectifier and an auxiliary winding on the output inductor which is used to generate the gate control signal for the freewheeling synchronous rectifier. An auxiliary switch is used to turn off the freewheeling rectifier, with the switch operating in response to the gate drive signal for the power switch. |
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The forward converter also includes a drive circuit for the synchronous rectifiers. The drive circuit includes an auxiliary secondary winding on the power transformer which is used to generate the gate control signal for the forward synchronous rectifier and an auxiliary winding on the output inductor which is used to generate the gate control signal for the freewheeling synchronous rectifier. An auxiliary switch is used to turn off the freewheeling rectifier, with the switch operating in response to the gate drive signal for the power switch.</description><edition>7</edition><language>eng</language><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS ; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS,e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USERAPPLICATIONS ; CONTROL OR REGULATION THEREOF ; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; GENERATION ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><creationdate>2000</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000509&DB=EPODOC&CC=US&NR=6061255A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000509&DB=EPODOC&CC=US&NR=6061255A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHIK; WONG SIU</creatorcontrib><creatorcontrib>CHUEN; WONG MAN</creatorcontrib><title>Drive circuit for synchronous rectifiers in isolated forward converter</title><description>A forward converter circuit that includes synchronous rectifiers as the forward and freewheeling rectifying elements in the output stage. The forward converter also includes a drive circuit for the synchronous rectifiers. The drive circuit includes an auxiliary secondary winding on the power transformer which is used to generate the gate control signal for the forward synchronous rectifier and an auxiliary winding on the output inductor which is used to generate the gate control signal for the freewheeling synchronous rectifier. An auxiliary switch is used to turn off the freewheeling rectifier, with the switch operating in response to the gate drive signal for the power switch.</description><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS,e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USERAPPLICATIONS</subject><subject>CONTROL OR REGULATION THEREOF</subject><subject>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>GENERATION</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2000</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFyj0KwkAQBtBtLEQ9g3MBwR-SXtRgr9ZhmXyLA2EnzGwi3l4Ee6vXvHloziYTiMV4lEJJjfyd-WmadXQycJEkMCfJJK59LOi-7RWtI9Y8wQpsGWYp9o7Vz0VYN5f76brBoC18iIyM0j5u9bbe7avqePg_PsDdM7E</recordid><startdate>20000509</startdate><enddate>20000509</enddate><creator>CHIK; WONG SIU</creator><creator>CHUEN; WONG MAN</creator><scope>EVB</scope></search><sort><creationdate>20000509</creationdate><title>Drive circuit for synchronous rectifiers in isolated forward converter</title><author>CHIK; WONG SIU ; CHUEN; WONG MAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US6061255A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2000</creationdate><topic>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</topic><topic>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS,e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USERAPPLICATIONS</topic><topic>CONTROL OR REGULATION THEREOF</topic><topic>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>GENERATION</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><toplevel>online_resources</toplevel><creatorcontrib>CHIK; WONG SIU</creatorcontrib><creatorcontrib>CHUEN; WONG MAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHIK; WONG SIU</au><au>CHUEN; WONG MAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Drive circuit for synchronous rectifiers in isolated forward converter</title><date>2000-05-09</date><risdate>2000</risdate><abstract>A forward converter circuit that includes synchronous rectifiers as the forward and freewheeling rectifying elements in the output stage. The forward converter also includes a drive circuit for the synchronous rectifiers. The drive circuit includes an auxiliary secondary winding on the power transformer which is used to generate the gate control signal for the forward synchronous rectifier and an auxiliary winding on the output inductor which is used to generate the gate control signal for the freewheeling synchronous rectifier. An auxiliary switch is used to turn off the freewheeling rectifier, with the switch operating in response to the gate drive signal for the power switch.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS,e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USERAPPLICATIONS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
| title | Drive circuit for synchronous rectifiers in isolated forward converter |
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