{"id":"https://openalex.org/W4406894978","doi":"https://doi.org/10.1109/a-sscc60305.2024.10849005","title":"A 4-Phase Integrated Voltage Regulator with In-Package Inductors Achieving 89.0% Peak Efficiency and 65% Droop Improvement for 6A/2ns Transient","display_name":"A 4-Phase Integrated Voltage Regulator with In-Package Inductors Achieving 89.0% Peak Efficiency and 65% Droop Improvement for 6A/2ns Transient","publication_year":2024,"publication_date":"2024-11-18","ids":{"openalex":"https://openalex.org/W4406894978","doi":"https://doi.org/10.1109/a-sscc60305.2024.10849005"},"language":"en","primary_location":{"id":"doi:10.1109/a-sscc60305.2024.10849005","is_oa":false,"landing_page_url":"https://doi.org/10.1109/a-sscc60305.2024.10849005","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE Asian Solid-State Circuits Conference (A-SSCC)","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/A5037878083","display_name":"Kai Yuan","orcid":"https://orcid.org/0000-0002-4507-1510"},"institutions":[{"id":"https://openalex.org/I4210116924","display_name":"Chinese University of Hong Kong, Shenzhen","ror":"https://ror.org/02d5ks197","country_code":"CN","type":"education","lineage":["https://openalex.org/I177725633","https://openalex.org/I180726961","https://openalex.org/I4210116924"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Yuan","raw_affiliation_strings":["Chinese University of Hong Kong,Shenzhen,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese University of Hong Kong,Shenzhen,China","institution_ids":["https://openalex.org/I4210116924"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013973081","display_name":"Chenzhou Ding","orcid":"https://orcid.org/0009-0008-6889-8984"},"institutions":[{"id":"https://openalex.org/I4210116924","display_name":"Chinese University of Hong Kong, Shenzhen","ror":"https://ror.org/02d5ks197","country_code":"CN","type":"education","lineage":["https://openalex.org/I177725633","https://openalex.org/I180726961","https://openalex.org/I4210116924"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chenzhou Ding","raw_affiliation_strings":["Chinese University of Hong Kong,Shenzhen,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese University of Hong Kong,Shenzhen,China","institution_ids":["https://openalex.org/I4210116924"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074569526","display_name":"Junmin Jiang","orcid":"https://orcid.org/0000-0001-6529-0422"},"institutions":[{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junmin Jiang","raw_affiliation_strings":["Southern University of Science and Technology,Shenzhen,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southern University of Science and Technology,Shenzhen,China","institution_ids":["https://openalex.org/I3045169105"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102023747","display_name":"Tiantian Tang","orcid":"https://orcid.org/0009-0004-8033-8286"},"institutions":[{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tiantian Tang","raw_affiliation_strings":["Southern University of Science and Technology,Shenzhen,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southern University of Science and Technology,Shenzhen,China","institution_ids":["https://openalex.org/I3045169105"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020922572","display_name":"Junyi Ruan","orcid":"https://orcid.org/0009-0000-1582-8255"},"institutions":[{"id":"https://openalex.org/I4210116924","display_name":"Chinese University of Hong Kong, Shenzhen","ror":"https://ror.org/02d5ks197","country_code":"CN","type":"education","lineage":["https://openalex.org/I177725633","https://openalex.org/I180726961","https://openalex.org/I4210116924"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junyi Ruan","raw_affiliation_strings":["Chinese University of Hong Kong,Shenzhen,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese University of Hong Kong,Shenzhen,China","institution_ids":["https://openalex.org/I4210116924"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109787266","display_name":"Yelei Xie","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yelei Xie","raw_affiliation_strings":["Sanechips Technology Co. Ltd,Shenzhen,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sanechips Technology Co. Ltd,Shenzhen,China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036422953","display_name":"Faen Liu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Faen Liu","raw_affiliation_strings":["Sanechips Technology Co. Ltd,Shenzhen,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sanechips Technology Co. Ltd,Shenzhen,China","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"Shuguo Jiang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shuguo Jiang","raw_affiliation_strings":["Sanechips Technology Co. Ltd,Shenzhen,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sanechips Technology Co. Ltd,Shenzhen,China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100715772","display_name":"Tao Liu","orcid":"https://orcid.org/0000-0003-1385-733X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tao Liu","raw_affiliation_strings":["Sanechips Technology Co. Ltd,Shenzhen,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sanechips Technology Co. Ltd,Shenzhen,China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010016181","display_name":"Ka Nang Leung","orcid":"https://orcid.org/0000-0002-9921-3211"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Ka Nang Leung","raw_affiliation_strings":["Chinese University of Hong Kong,Hong Kong,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese University of Hong Kong,Hong Kong,China","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101730423","display_name":"Xun Liu","orcid":"https://orcid.org/0000-0002-6115-8886"},"institutions":[{"id":"https://openalex.org/I4210116924","display_name":"Chinese University of Hong Kong, Shenzhen","ror":"https://ror.org/02d5ks197","country_code":"CN","type":"education","lineage":["https://openalex.org/I177725633","https://openalex.org/I180726961","https://openalex.org/I4210116924"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xun Liu","raw_affiliation_strings":["Chinese University of Hong Kong,Shenzhen,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese University of Hong Kong,Shenzhen,China","institution_ids":["https://openalex.org/I4210116924"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":11,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1831,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.54129103,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"3"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10363","display_name":"Low-power high-performance VLSI design","score":0.9994000196456909,"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/T10363","display_name":"Low-power high-performance VLSI design","score":0.9994000196456909,"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/T10228","display_name":"Multilevel Inverters and Converters","score":0.9976000189781189,"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/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/voltage-droop","display_name":"Voltage droop","score":0.8977974653244019},{"id":"https://openalex.org/keywords/inductor","display_name":"Inductor","score":0.7900341749191284},{"id":"https://openalex.org/keywords/transient","display_name":"Transient (computer programming)","score":0.6702684164047241},{"id":"https://openalex.org/keywords/voltage-regulator","display_name":"Voltage regulator","score":0.6576818823814392},{"id":"https://openalex.org/keywords/regulator","display_name":"Regulator","score":0.5848110318183899},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.5481720566749573},{"id":"https://openalex.org/keywords/low-dropout-regulator","display_name":"Low-dropout regulator","score":0.48098862171173096},{"id":"https://openalex.org/keywords/dropout-voltage","display_name":"Dropout voltage","score":0.4692440330982208},{"id":"https://openalex.org/keywords/transient-analysis","display_name":"Transient analysis","score":0.4479934573173523},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.4393326938152313},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.41273218393325806},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3645327687263489},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.363718181848526},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.33932822942733765},{"id":"https://openalex.org/keywords/transient-response","display_name":"Transient response","score":0.29796266555786133},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2884962856769562},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.24946221709251404},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.07117268443107605}],"concepts":[{"id":"https://openalex.org/C40760162","wikidata":"https://www.wikidata.org/wiki/Q10920295","display_name":"Voltage droop","level":4,"score":0.8977974653244019},{"id":"https://openalex.org/C144534570","wikidata":"https://www.wikidata.org/wiki/Q5325","display_name":"Inductor","level":3,"score":0.7900341749191284},{"id":"https://openalex.org/C2780799671","wikidata":"https://www.wikidata.org/wiki/Q17087362","display_name":"Transient (computer programming)","level":2,"score":0.6702684164047241},{"id":"https://openalex.org/C110706871","wikidata":"https://www.wikidata.org/wiki/Q851210","display_name":"Voltage regulator","level":3,"score":0.6576818823814392},{"id":"https://openalex.org/C6929976","wikidata":"https://www.wikidata.org/wiki/Q3771881","display_name":"Regulator","level":3,"score":0.5848110318183899},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.5481720566749573},{"id":"https://openalex.org/C140501009","wikidata":"https://www.wikidata.org/wiki/Q6692746","display_name":"Low-dropout regulator","level":5,"score":0.48098862171173096},{"id":"https://openalex.org/C15032970","wikidata":"https://www.wikidata.org/wiki/Q851210","display_name":"Dropout voltage","level":4,"score":0.4692440330982208},{"id":"https://openalex.org/C2989121073","wikidata":"https://www.wikidata.org/wiki/Q1309019","display_name":"Transient analysis","level":3,"score":0.4479934573173523},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.4393326938152313},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.41273218393325806},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3645327687263489},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.363718181848526},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.33932822942733765},{"id":"https://openalex.org/C85761212","wikidata":"https://www.wikidata.org/wiki/Q1974593","display_name":"Transient response","level":2,"score":0.29796266555786133},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2884962856769562},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.24946221709251404},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.07117268443107605},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","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/a-sscc60305.2024.10849005","is_oa":false,"landing_page_url":"https://doi.org/10.1109/a-sscc60305.2024.10849005","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE Asian Solid-State Circuits Conference (A-SSCC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8299999833106995}],"awards":[],"funders":[{"id":"https://openalex.org/F4320329791","display_name":"Shenzhen Fundamental Research Program","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1982997428","https://openalex.org/W2044172536","https://openalex.org/W2371498377","https://openalex.org/W2370995213","https://openalex.org/W3185987145","https://openalex.org/W4366165321","https://openalex.org/W3081405802","https://openalex.org/W4287514677","https://openalex.org/W2017190659","https://openalex.org/W4282007662"],"abstract_inverted_index":{"With":[0],"the":[1,28,32,37,66,79,84],"advancement":[2],"of":[3,94],"artificial":[4],"intelligence":[5],"(AI),":[6],"computing":[7],"processors":[8,67,196],"and":[9,22,36,56,68,92,114,120,137,147,173,207],"GPUs":[10],"have":[11,162,183],"dramatically":[12],"increased":[13],"their":[14,88,166],"current":[15,54,112,169,198],"consumption.":[16],"Significant":[17],"power":[18,90],"($I^{2}":[19],"R$)":[20],"losses":[21],"heat":[23],"can":[24,61],"be":[25,62],"generated":[26],"on":[27],"routing":[29],"path":[30],"between":[31],"voltage":[33,98,129,190],"regulators":[34,99],"(VRs)":[35],"processors,":[38],"as":[39,158],"shown":[40],"in":[41,76,82,101,195],"Fig.":[42],"1.":[43],"To":[44],"address":[45],"this":[46],"issue,":[47],"VRs":[48,77,181],"are":[49,175],"required":[50,146],"to":[51,65,87,109,134,187],"possess":[52],"high":[53,57,111],"density":[55,91,113],"efficiency,":[58],"ensuring":[59],"they":[60,117],"placed":[63],"closest":[64],"do":[69],"not":[70],"generate":[71],"excessive":[72],"heat.":[73],"The":[74],"inductors":[75,108,136,159],"present":[78],"greatest":[80],"challenge":[81],"minimizing":[83],"size":[85],"due":[86],"low":[89],"difficulty":[93],"integration.":[95],"Fully":[96],"integrated":[97],"(FIVRs)":[100],"[1],":[102],"[2]":[103],"employed":[104],"high-performance":[105],"in-package":[106],"air-core/magnetic":[107],"achieve":[110],"efficiency.":[115],"However,":[116,142],"require":[118],"expensive":[119],"exclusive":[121],"inductor":[122],"fabrication":[123],"processes.":[124],"In":[125],"[3],":[126],"a":[127,139],"switched-capacitor":[128],"regulator":[130],"(SCVR)":[131],"was":[132],"adopted":[133],"avoid":[135],"establish":[138],"compact":[140],"volume.":[141],"deeptrenched":[143],"capacitors":[144],"were":[145,151],"slow":[148],"transient":[149,185,205],"responses":[150],"observed.":[152],"Additionally,":[153],"multiphase":[154],"FIVRs":[155],"utilizing":[156],"bond-wires":[157,174],"[4],":[160],"[5]":[161],"been":[163],"explored,":[164],"but":[165],"maximum":[167],"output":[168,189],"(lout)":[170],"is":[171],"limited,":[172],"incompatible":[176],"with":[177,203],"flip-chip":[178],"packages.":[179],"Moreover,":[180],"must":[182],"fast":[184],"response":[186],"stabilize":[188],"during":[191],"extreme":[192],"load":[193],"fluctuations":[194],"while":[197],"transient-enhancement":[199],"techniques":[200],"cannot":[201],"cope":[202],"various":[204],"conditions":[206],"may":[208],"still":[209],"experience":[210],"large":[211],"undershoot.":[212]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-06-19T17:40:00.097472","created_date":"2025-10-10T00:00:00"}