Control circuit, power factor correction circuit, and electrical device
The invention provides a control circuit, a power factor correction circuit and an electrical apparatus. A control circuit controls a power factor correction circuit including a DC-DC converter. The control circuit includes an amplifier configured to amplify a voltage corresponding to an output volt...
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| creator | ITO, AIE MAESHIMA SATOSHI |
| description | The invention provides a control circuit, a power factor correction circuit and an electrical apparatus. A control circuit controls a power factor correction circuit including a DC-DC converter. The control circuit includes an amplifier configured to amplify a voltage corresponding to an output voltage of the DC-DC converter, a comparator configured to compare an output voltage of the amplifier with a ramp voltage, and a driver configured to drive the amplifier to amplify a voltage corresponding to the output voltage of the DC-DC converter. The ramp voltage corresponds to a current passing through a switching element in the DC-DC converter, and the driver is configured to drive the switching element based on an output voltage of the comparator. The control circuit is configured to adjust at least one of a gain of the amplifier and a gradient of the ramp voltage according to a load power of the DC-DC converter.
本发明提供了控制电路、功率因数校正电路和电气设备。一种控制电路控制包括DC-DC转换器的功率因数校正电路。所述控制电路包括放大器、比较器和驱动器，所述放大器被配置为放大与所述DC-DC转换器的输出电压 |
| format | Patent |
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本发明提供了控制电路、功率因数校正电路和电气设备。一种控制电路控制包括DC-DC转换器的功率因数校正电路。所述控制电路包括放大器、比较器和驱动器，所述放大器被配置为放大与所述DC-DC转换器的输出电压</description><language>chi ; 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>2023</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=20231128&DB=EPODOC&CC=CN&NR=117134578A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231128&DB=EPODOC&CC=CN&NR=117134578A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ITO, AIE</creatorcontrib><creatorcontrib>MAESHIMA SATOSHI</creatorcontrib><title>Control circuit, power factor correction circuit, and electrical device</title><description>The invention provides a control circuit, a power factor correction circuit and an electrical apparatus. A control circuit controls a power factor correction circuit including a DC-DC converter. The control circuit includes an amplifier configured to amplify a voltage corresponding to an output voltage of the DC-DC converter, a comparator configured to compare an output voltage of the amplifier with a ramp voltage, and a driver configured to drive the amplifier to amplify a voltage corresponding to the output voltage of the DC-DC converter. The ramp voltage corresponds to a current passing through a switching element in the DC-DC converter, and the driver is configured to drive the switching element based on an output voltage of the comparator. The control circuit is configured to adjust at least one of a gain of the amplifier and a gradient of the ramp voltage according to a load power of the DC-DC converter.
本发明提供了控制电路、功率因数校正电路和电气设备。一种控制电路控制包括DC-DC转换器的功率因数校正电路。所述控制电路包括放大器、比较器和驱动器，所述放大器被配置为放大与所述DC-DC转换器的输出电压</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>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHB3zs8rKcrPUUjOLEouzSzRUSjIL08tUkhLTC7JL1JIzi8qSk0uyczPQyhIzEtRSM0BihZlJifmKKSklmUmp_IwsKYl5hSn8kJpbgZFN9cQZw_d1IL8-NTigsTk1LzUknhnP0NDc0NjE1NzC0djYtQAAG2zM_Y</recordid><startdate>20231128</startdate><enddate>20231128</enddate><creator>ITO, AIE</creator><creator>MAESHIMA SATOSHI</creator><scope>EVB</scope></search><sort><creationdate>20231128</creationdate><title>Control circuit, power factor correction circuit, and electrical device</title><author>ITO, AIE ; MAESHIMA SATOSHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN117134578A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2023</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>ITO, AIE</creatorcontrib><creatorcontrib>MAESHIMA SATOSHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ITO, AIE</au><au>MAESHIMA SATOSHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Control circuit, power factor correction circuit, and electrical device</title><date>2023-11-28</date><risdate>2023</risdate><abstract>The invention provides a control circuit, a power factor correction circuit and an electrical apparatus. A control circuit controls a power factor correction circuit including a DC-DC converter. The control circuit includes an amplifier configured to amplify a voltage corresponding to an output voltage of the DC-DC converter, a comparator configured to compare an output voltage of the amplifier with a ramp voltage, and a driver configured to drive the amplifier to amplify a voltage corresponding to the output voltage of the DC-DC converter. The ramp voltage corresponds to a current passing through a switching element in the DC-DC converter, and the driver is configured to drive the switching element based on an output voltage of the comparator. The control circuit is configured to adjust at least one of a gain of the amplifier and a gradient of the ramp voltage according to a load power of the DC-DC converter.
本发明提供了控制电路、功率因数校正电路和电气设备。一种控制电路控制包括DC-DC转换器的功率因数校正电路。所述控制电路包括放大器、比较器和驱动器，所述放大器被配置为放大与所述DC-DC转换器的输出电压</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; 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, power factor correction circuit, and electrical device |
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