{"id":"https://openalex.org/W4392746100","doi":"https://doi.org/10.1109/isscc49657.2024.10454369","title":"27.1 A Differential Hybrid Class-ED Power Amplifier with 27W Maximum Power and 82% Peak E2E Efficiency for Wireless Fast Charging To-Go","display_name":"27.1 A Differential Hybrid Class-ED Power Amplifier with 27W Maximum Power and 82% Peak E2E Efficiency for Wireless Fast Charging To-Go","publication_year":2024,"publication_date":"2024-02-18","ids":{"openalex":"https://openalex.org/W4392746100","doi":"https://doi.org/10.1109/isscc49657.2024.10454369"},"language":"en","primary_location":{"id":"doi:10.1109/isscc49657.2024.10454369","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isscc49657.2024.10454369","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE International Solid-State Circuits Conference (ISSCC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5065429444","display_name":"Fangyu Mao","orcid":"https://orcid.org/0000-0003-4115-6012"},"institutions":[{"id":"https://openalex.org/I204512498","display_name":"University of Macau","ror":"https://ror.org/01r4q9n85","country_code":"MO","type":"education","lineage":["https://openalex.org/I204512498"]}],"countries":["MO"],"is_corresponding":false,"raw_author_name":"Fangyu Mao","raw_affiliation_strings":["University of Macau,Macau,China","University of Macau, Macau, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Macau,Macau,China","institution_ids":["https://openalex.org/I204512498"]},{"raw_affiliation_string":"University of Macau, Macau, China","institution_ids":["https://openalex.org/I204512498"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5106943352","display_name":"Rui P. Martins","orcid":"https://orcid.org/0000-0003-2821-648X"},"institutions":[{"id":"https://openalex.org/I204512498","display_name":"University of Macau","ror":"https://ror.org/01r4q9n85","country_code":"MO","type":"education","lineage":["https://openalex.org/I204512498"]}],"countries":["MO"],"is_corresponding":false,"raw_author_name":"Rui Martins","raw_affiliation_strings":["University of Macau,Macau,China","University of Macau, Macau, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Macau,Macau,China","institution_ids":["https://openalex.org/I204512498"]},{"raw_affiliation_string":"University of Macau, Macau, China","institution_ids":["https://openalex.org/I204512498"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074568232","display_name":"Yan Lu","orcid":"https://orcid.org/0000-0002-2530-0726"},"institutions":[{"id":"https://openalex.org/I204512498","display_name":"University of Macau","ror":"https://ror.org/01r4q9n85","country_code":"MO","type":"education","lineage":["https://openalex.org/I204512498"]}],"countries":["MO"],"is_corresponding":false,"raw_author_name":"Yan Lu","raw_affiliation_strings":["University of Macau,Macau,China","University of Macau, Macau, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Macau,Macau,China","institution_ids":["https://openalex.org/I204512498"]},{"raw_affiliation_string":"University of Macau, Macau, China","institution_ids":["https://openalex.org/I204512498"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.5569,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.63800614,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"444","last_page":"446"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11249","display_name":"Wireless Power Transfer Systems","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11249","display_name":"Wireless Power Transfer Systems","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10175","display_name":"Advanced DC-DC Converters","score":0.9926000237464905,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.5886372327804565},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.5415816903114319},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.5105789303779602},{"id":"https://openalex.org/keywords/differential","display_name":"Differential (mechanical device)","score":0.48626434803009033},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.47228723764419556},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.45179179310798645},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3330278992652893},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2601100206375122},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.21689224243164062},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1938994824886322},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.07842102646827698}],"concepts":[{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.5886372327804565},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.5415816903114319},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5105789303779602},{"id":"https://openalex.org/C93226319","wikidata":"https://www.wikidata.org/wiki/Q193137","display_name":"Differential (mechanical device)","level":2,"score":0.48626434803009033},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.47228723764419556},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.45179179310798645},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3330278992652893},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2601100206375122},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.21689224243164062},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1938994824886322},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.07842102646827698},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isscc49657.2024.10454369","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isscc49657.2024.10454369","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE International Solid-State Circuits Conference (ISSCC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8700000047683716,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320337495","display_name":"Technology Development","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W2789606033","https://openalex.org/W2921810024","https://openalex.org/W2953692739","https://openalex.org/W3159657122","https://openalex.org/W4213435146","https://openalex.org/W4220883664"],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2137676555","https://openalex.org/W2515605785","https://openalex.org/W4245326239","https://openalex.org/W1507225775","https://openalex.org/W2106294750","https://openalex.org/W2053214877","https://openalex.org/W2371781948","https://openalex.org/W2135814299"],"abstract_inverted_index":{"Portable":[0],"power":[1,39,53,69],"banks":[2],"with":[3],"wireless":[4,13,45,120],"charging":[5,14,38,121,128],"are":[6],"popular":[7],"on":[8],"the":[9,18,23,26,33,37,63,73,94,98,107,111,118],"market,":[10],"targeting":[11],"a":[12],"to-go":[15,122],"experience.":[16],"However,":[17],"low":[19],"input":[20],"voltage":[21],"from":[22,124],"battery":[24],"and":[25,40,54,100,130],"large":[27,74],"equivalent":[28],"series":[29],"resistance":[30],"(ESR)":[31],"of":[32,42,62,76,78],"coupling":[34,64,112],"coils":[35,65,113],"limit":[36,106],"efficiency":[41,56],"device-to-device":[43],"(D2D)":[44],"charging,":[46],"making":[47],"it":[48],"difficult":[49],"to":[50,72,97],"achieve":[51],"high":[52,55],"simultaneously":[57],"[1].":[58],"The":[59],"winding":[60,83],"loss":[61,70],"is":[66],"one":[67],"major":[68],"due":[71,96],"ESR":[75,95],"hundreds":[77],"$\\mathrm{m}\\Omega$":[79],"[1\u20134].":[80],"Moreover,":[81],"thicker":[82],"wire":[84,88],"or":[85],"multi-strand":[86],"Litz":[87],"at":[89],"6.78MHz":[90],"cannot":[91],"effectively":[92],"reduce":[93],"skin":[99],"proximity":[101],"effects.":[102],"Therefore,":[103],"we":[104],"should":[105],"AC":[108],"current":[109,119],"through":[110],"for":[114],"thermal":[115,125],"performance.":[116],"Consequently,":[117],"suffers":[123],"issues,":[126],"slow":[127],"speed,":[129],"discounted":[131],"energy-sharing":[132],"percentage.":[133]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
