Reverse polarity protection circuit for a DC-DC converter
A reverse polarity protection circuit of a DC-DC converter includes an inductive component. When the DC-DC converter is connected to a power supply with correct polarity, the inductive component of the converter receives power via a body diode of a protection switch. Once the inductive component beg...
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| creator | Warnes, Frank |
| description | A reverse polarity protection circuit of a DC-DC converter includes an inductive component. When the DC-DC converter is connected to a power supply with correct polarity, the inductive component of the converter receives power via a body diode of a protection switch. Once the inductive component begins to charge and discharge under control of a driving switch, the protection switch turns on and allows full power to be provided to the inductive component. When the DC-DC converter is connected with reverse polarity, a clamping switch fed by the power supply turns on and connects a control input of the protection switch to ground, turning off the protection switch. The clamping switch is protected by a switch protection device to lower the voltage difference between a control input of the clamping switch and an input of the clamping switch. |
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When the DC-DC converter is connected to a power supply with correct polarity, the inductive component of the converter receives power via a body diode of a protection switch. Once the inductive component begins to charge and discharge under control of a driving switch, the protection switch turns on and allows full power to be provided to the inductive component. When the DC-DC converter is connected with reverse polarity, a clamping switch fed by the power supply turns on and connects a control input of the protection switch to ground, turning off the protection switch. The clamping switch is protected by a switch protection device to lower the voltage difference between a control input of the clamping switch and an input of the clamping switch.</description><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 ; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ; ELECTRICITY ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS ; GENERATION ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES ; PERFORMING OPERATIONS ; TRANSPORTING ; VEHICLES IN GENERAL</subject><creationdate>2024</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=20240625&DB=EPODOC&CC=US&NR=12021443B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240625&DB=EPODOC&CC=US&NR=12021443B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Warnes, Frank</creatorcontrib><title>Reverse polarity protection circuit for a DC-DC converter</title><description>A reverse polarity protection circuit of a DC-DC converter includes an inductive component. 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When the DC-DC converter is connected to a power supply with correct polarity, the inductive component of the converter receives power via a body diode of a protection switch. Once the inductive component begins to charge and discharge under control of a driving switch, the protection switch turns on and allows full power to be provided to the inductive component. When the DC-DC converter is connected with reverse polarity, a clamping switch fed by the power supply turns on and connects a control input of the protection switch to ground, turning off the protection switch. The clamping switch is protected by a switch protection device to lower the voltage difference between a control input of the clamping switch and an input of the clamping switch.</abstract><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 ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL |
| title | Reverse polarity protection circuit for a DC-DC converter |
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