Switching power converters with adaptively triggered analog-to-digital converters
A switching power converter includes a power circuit and a control circuit for receiving an analog signal representing a parameter of the power circuit. The control circuit includes an ADC for converting the analog signal into a digital signal, and a switch driver for generating a control signal for...
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creator | Ling, Chung Hang Li, Zhi Zhi He, Caiwang |
description | A switching power converter includes a power circuit and a control circuit for receiving an analog signal representing a parameter of the power circuit. The control circuit includes an ADC for converting the analog signal into a digital signal, and a switch driver for generating a control signal for controlling a switch in the power circuit over multiple switching cycles. The control circuit is configured to adaptively determine a trigger point for activating the ADC within a switching cycle to sample the analog signal, and activate the ADC at the determined trigger point so a control parameter generated based on the digital signal is provided to the switch driver a minimal period of time before the next switching cycle begins. The adaptively determined trigger point optimizes phrase margin loss and bandwidth in the control circuit. Other example switching power converters and control circuits are also disclosed. |
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The control circuit includes an ADC for converting the analog signal into a digital signal, and a switch driver for generating a control signal for controlling a switch in the power circuit over multiple switching cycles. The control circuit is configured to adaptively determine a trigger point for activating the ADC within a switching cycle to sample the analog signal, and activate the ADC at the determined trigger point so a control parameter generated based on the digital signal is provided to the switch driver a minimal period of time before the next switching cycle begins. The adaptively determined trigger point optimizes phrase margin loss and bandwidth in the control circuit. Other example switching power converters and control circuits are also disclosed.</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 ; BASIC ELECTRONIC CIRCUITRY ; CODE CONVERSION IN GENERAL ; CODING ; CONTROL OR REGULATION THEREOF ; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; DECODING ; ELECTRICITY ; GENERATION</subject><creationdate>2020</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=20200922&DB=EPODOC&CC=US&NR=10784767B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200922&DB=EPODOC&CC=US&NR=10784767B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Ling, Chung Hang</creatorcontrib><creatorcontrib>Li, Zhi Zhi</creatorcontrib><creatorcontrib>He, Caiwang</creatorcontrib><title>Switching power converters with adaptively triggered analog-to-digital converters</title><description>A switching power converter includes a power circuit and a control circuit for receiving an analog signal representing a parameter of the power circuit. 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Other example switching power converters and control circuits are also disclosed.</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>BASIC ELECTRONIC CIRCUITRY</subject><subject>CODE CONVERSION IN GENERAL</subject><subject>CODING</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>DECODING</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNi7EKwjAQQLM4SPUfzg8IWBTjrFRcpTqXIznTg5CE5Gjx73VwcHR6w3tvqW79zGJHjh5ymqmATXGiIlQqfMwI6DALTxReIIW9p0IOMGJIXkvSjj0Lhp9tpRZPDJXWXzZqc-nu56umnAaqGS1FkuHRt1tz3JuDObW7f5o3bKg5Bg</recordid><startdate>20200922</startdate><enddate>20200922</enddate><creator>Ling, Chung Hang</creator><creator>Li, Zhi Zhi</creator><creator>He, Caiwang</creator><scope>EVB</scope></search><sort><creationdate>20200922</creationdate><title>Switching power converters with adaptively triggered analog-to-digital converters</title><author>Ling, Chung Hang ; Li, Zhi Zhi ; He, Caiwang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US10784767B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2020</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>BASIC ELECTRONIC CIRCUITRY</topic><topic>CODE CONVERSION IN GENERAL</topic><topic>CODING</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>DECODING</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><toplevel>online_resources</toplevel><creatorcontrib>Ling, Chung Hang</creatorcontrib><creatorcontrib>Li, Zhi Zhi</creatorcontrib><creatorcontrib>He, Caiwang</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Ling, Chung Hang</au><au>Li, Zhi Zhi</au><au>He, Caiwang</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Switching power converters with adaptively triggered analog-to-digital converters</title><date>2020-09-22</date><risdate>2020</risdate><abstract>A switching power converter includes a power circuit and a control circuit for receiving an analog signal representing a parameter of the power circuit. The control circuit includes an ADC for converting the analog signal into a digital signal, and a switch driver for generating a control signal for controlling a switch in the power circuit over multiple switching cycles. The control circuit is configured to adaptively determine a trigger point for activating the ADC within a switching cycle to sample the analog signal, and activate the ADC at the determined trigger point so a control parameter generated based on the digital signal is provided to the switch driver a minimal period of time before the next switching cycle begins. The adaptively determined trigger point optimizes phrase margin loss and bandwidth in the control circuit. Other example switching power converters and control circuits are also disclosed.</abstract><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 BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DECODING ELECTRICITY GENERATION |
title | Switching power converters with adaptively triggered analog-to-digital converters |
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