Control circuit for switching power supply
A control circuit for a switching power supply reacts to an over current condition in the switching power supply to bring its operating point to a safe condition. The control circuit senses both the direction and the magnitude of the load current in the switching power supply, and then uses this sen...
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| creator | MILLNER ALAN R BYSTRYAK ILYA |
| description | A control circuit for a switching power supply reacts to an over current condition in the switching power supply to bring its operating point to a safe condition. The control circuit senses both the direction and the magnitude of the load current in the switching power supply, and then uses this sensed information to control the active power switches in the switching power supply. In an over current condition, the switches are controlled to actively drive the load current toward zero, even if the sensed information is delayed or heavily filtered, or the switch signals from the control circuit are delayed in reaching the switches. The resulting operation of the switching power supply is more resistant to abnormal load conditions and is maintained in the presence of transient short circuits or arcs. The switching power supply hardware is also better protected. |
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The control circuit senses both the direction and the magnitude of the load current in the switching power supply, and then uses this sensed information to control the active power switches in the switching power supply. In an over current condition, the switches are controlled to actively drive the load current toward zero, even if the sensed information is delayed or heavily filtered, or the switch signals from the control circuit are delayed in reaching the switches. The resulting operation of the switching power supply is more resistant to abnormal load conditions and is maintained in the presence of transient short circuits or arcs. The switching power supply hardware is also better protected.</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 ; CONTROL OR REGULATION THEREOF ; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION</subject><creationdate>2005</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=20051006&DB=EPODOC&CC=US&NR=2005219875A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20051006&DB=EPODOC&CC=US&NR=2005219875A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MILLNER ALAN R</creatorcontrib><creatorcontrib>BYSTRYAK ILYA</creatorcontrib><title>Control circuit for switching power supply</title><description>A control circuit for a switching power supply reacts to an over current condition in the switching power supply to bring its operating point to a safe condition. The control circuit senses both the direction and the magnitude of the load current in the switching power supply, and then uses this sensed information to control the active power switches in the switching power supply. In an over current condition, the switches are controlled to actively drive the load current toward zero, even if the sensed information is delayed or heavily filtered, or the switch signals from the control circuit are delayed in reaching the switches. The resulting operation of the switching power supply is more resistant to abnormal load conditions and is maintained in the presence of transient short circuits or arcs. The switching power supply hardware is also better protected.</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>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>GENERATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2005</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNByzs8rKcrPUUjOLEouzSxRSMsvUiguzyxJzsjMS1coyC9PBfJLCwpyKnkYWNMSc4pTeaE0N4Oym2uIs4duakF-fGpxQWJyal5qSXxosJGBgamRoaWFuamjoTFxqgAFjyp4</recordid><startdate>20051006</startdate><enddate>20051006</enddate><creator>MILLNER ALAN R</creator><creator>BYSTRYAK ILYA</creator><scope>EVB</scope></search><sort><creationdate>20051006</creationdate><title>Control circuit for switching power supply</title><author>MILLNER ALAN R ; BYSTRYAK ILYA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2005219875A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2005</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>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>GENERATION</topic><toplevel>online_resources</toplevel><creatorcontrib>MILLNER ALAN R</creatorcontrib><creatorcontrib>BYSTRYAK ILYA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MILLNER ALAN R</au><au>BYSTRYAK ILYA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Control circuit for switching power supply</title><date>2005-10-06</date><risdate>2005</risdate><abstract>A control circuit for a switching power supply reacts to an over current condition in the switching power supply to bring its operating point to a safe condition. The control circuit senses both the direction and the magnitude of the load current in the switching power supply, and then uses this sensed information to control the active power switches in the switching power supply. In an over current condition, the switches are controlled to actively drive the load current toward zero, even if the sensed information is delayed or heavily filtered, or the switch signals from the control circuit are delayed in reaching the switches. The resulting operation of the switching power supply is more resistant to abnormal load conditions and is maintained in the presence of transient short circuits or arcs. The switching power supply hardware is also better protected.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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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 CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION |
| title | Control circuit for switching power supply |
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