{"id":"https://openalex.org/W2128343557","doi":"https://doi.org/10.1109/tcsii.2009.2027955","title":"High-Efficiency Current-Regulated Charge Pump for a White LED Driver","display_name":"High-Efficiency Current-Regulated Charge Pump for a White LED Driver","publication_year":2009,"publication_date":"2009-08-21","ids":{"openalex":"https://openalex.org/W2128343557","doi":"https://doi.org/10.1109/tcsii.2009.2027955","mag":"2128343557"},"language":"en","primary_location":{"id":"doi:10.1109/tcsii.2009.2027955","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2009.2027955","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Circuits and Systems II: Express Briefs","raw_type":"journal-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/A5101999372","display_name":"Chi-Hao Wu","orcid":"https://orcid.org/0000-0002-3085-7422"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Chi-Hao Wu","raw_affiliation_strings":["Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan","Grad. Inst. of Electron. Eng., Nat. Taiwan Univ., Taipei, Taiwan#TAB#"],"affiliations":[{"raw_affiliation_string":"Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Grad. Inst. of Electron. Eng., Nat. Taiwan Univ., Taipei, Taiwan#TAB#","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022331478","display_name":"Chern-Lin Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chern-Lin Chen","raw_affiliation_strings":["Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan","Grad. Inst. of Electron. Eng., Nat. Taiwan Univ., Taipei, Taiwan#TAB#"],"affiliations":[{"raw_affiliation_string":"Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Grad. Inst. of Electron. Eng., Nat. Taiwan Univ., Taipei, Taiwan#TAB#","institution_ids":["https://openalex.org/I16733864"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5101999372"],"corresponding_institution_ids":["https://openalex.org/I16733864"],"apc_list":null,"apc_paid":null,"fwci":5.6824,"has_fulltext":false,"cited_by_count":49,"citation_normalized_percentile":{"value":0.96272781,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"56","issue":"10","first_page":"763","last_page":"767"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10175","display_name":"Advanced DC-DC Converters","score":0.9991999864578247,"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/T10175","display_name":"Advanced DC-DC Converters","score":0.9991999864578247,"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/T11230","display_name":"Innovative Energy Harvesting Technologies","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T11249","display_name":"Wireless Power Transfer Systems","score":0.9955999851226807,"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/charge-pump","display_name":"Charge pump","score":0.7500339150428772},{"id":"https://openalex.org/keywords/capacitor","display_name":"Capacitor","score":0.742701530456543},{"id":"https://openalex.org/keywords/current","display_name":"Current (fluid)","score":0.652302622795105},{"id":"https://openalex.org/keywords/charge","display_name":"Charge (physics)","score":0.5958017110824585},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.5600653886795044},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.5538484454154968},{"id":"https://openalex.org/keywords/diode","display_name":"Diode","score":0.5428812503814697},{"id":"https://openalex.org/keywords/notation","display_name":"Notation","score":0.5097207427024841},{"id":"https://openalex.org/keywords/chip","display_name":"Chip","score":0.47895461320877075},{"id":"https://openalex.org/keywords/electronic-circuit","display_name":"Electronic circuit","score":0.4574600160121918},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.4524586796760559},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.43546563386917114},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.42516326904296875},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.35058531165122986},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3047518730163574},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23581022024154663},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.15287387371063232},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.09684255719184875}],"concepts":[{"id":"https://openalex.org/C114825011","wikidata":"https://www.wikidata.org/wiki/Q440704","display_name":"Charge pump","level":4,"score":0.7500339150428772},{"id":"https://openalex.org/C52192207","wikidata":"https://www.wikidata.org/wiki/Q5322","display_name":"Capacitor","level":3,"score":0.742701530456543},{"id":"https://openalex.org/C148043351","wikidata":"https://www.wikidata.org/wiki/Q4456944","display_name":"Current (fluid)","level":2,"score":0.652302622795105},{"id":"https://openalex.org/C188082385","wikidata":"https://www.wikidata.org/wiki/Q73792","display_name":"Charge (physics)","level":2,"score":0.5958017110824585},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.5600653886795044},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5538484454154968},{"id":"https://openalex.org/C78434282","wikidata":"https://www.wikidata.org/wiki/Q11656","display_name":"Diode","level":2,"score":0.5428812503814697},{"id":"https://openalex.org/C45357846","wikidata":"https://www.wikidata.org/wiki/Q2001982","display_name":"Notation","level":2,"score":0.5097207427024841},{"id":"https://openalex.org/C165005293","wikidata":"https://www.wikidata.org/wiki/Q1074500","display_name":"Chip","level":2,"score":0.47895461320877075},{"id":"https://openalex.org/C134146338","wikidata":"https://www.wikidata.org/wiki/Q1815901","display_name":"Electronic circuit","level":2,"score":0.4574600160121918},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.4524586796760559},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.43546563386917114},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.42516326904296875},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.35058531165122986},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3047518730163574},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23581022024154663},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.15287387371063232},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.09684255719184875}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsii.2009.2027955","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsii.2009.2027955","pdf_url":null,"source":{"id":"https://openalex.org/S93916849","display_name":"IEEE Transactions on Circuits & Systems II Express Briefs","issn_l":"1549-7747","issn":["1549-7747","1558-3791"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Circuits and Systems II: Express Briefs","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8999999761581421,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W36204966","https://openalex.org/W1521256933","https://openalex.org/W1536945048","https://openalex.org/W1597620877","https://openalex.org/W2104483444","https://openalex.org/W2117340602","https://openalex.org/W2119623253","https://openalex.org/W2134208501","https://openalex.org/W2138019299","https://openalex.org/W2150297702","https://openalex.org/W6630899804","https://openalex.org/W6675630242"],"related_works":["https://openalex.org/W2504004674","https://openalex.org/W3014521742","https://openalex.org/W1595229445","https://openalex.org/W2498744856","https://openalex.org/W4390482104","https://openalex.org/W322408318","https://openalex.org/W2051673417","https://openalex.org/W2800568880","https://openalex.org/W4241635412","https://openalex.org/W1851494072"],"abstract_inverted_index":{"<para":[0],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[1],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[2],"This":[3],"brief":[4],"presents":[5],"a":[6,12,57,77,98],"high-efficiency":[7],"current-regulated":[8],"charge":[9,18,28],"pump":[10,19,29],"for":[11],"white":[13],"light-emitting":[14],"diode":[15],"driver.":[16],"The":[17,42,69,83],"incorporates":[20],"no":[21],"series":[22],"current":[23,32,40,60],"regulator,":[24],"unlike":[25],"conventional":[26],"voltage":[27,65],"circuits.":[30],"Output":[31],"regulation":[33],"is":[34,72,90],"accomplished":[35],"by":[36],"the":[37,87],"proposed":[38],"pumping":[39,78],"control.":[41],"experimental":[43],"system,":[44],"with":[45],"two":[46],"1-":[47],"<formula":[48,92],"formulatype=\"inline\">":[49,93,100],"<tex":[50,94,101],"Notation=\"TeX\">$\\mu\\hbox{F}$</tex></formula>":[51],"flying":[52],"and":[53],"load":[54],"capacitors,":[55],"delivers":[56],"regulated":[58],"20-mA":[59],"from":[61],"an":[62],"input":[63],"supply":[64],"of":[66,80,86],"2.8\u20134.2":[67],"V.":[68],"measured":[70],"variation":[71],"less":[73],"than":[74],"0.6%":[75],"at":[76],"frequency":[79],"200":[81],"kHz.":[82],"active":[84],"area":[85],"designed":[88],"chip":[89],"0.43":[91],"Notation=\"TeX\">$":[95],"\\hbox{mm}^{2}$</tex></formula>":[96],"in":[97],"0.5-<formula":[99],"Notation=\"TeX\">$\\mu\\hbox{m}$</tex></formula>":[102],"CMOS":[103],"process.":[104],"</para>":[105]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":8}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
