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Bien, Franklin
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dc.citation.endPage 4462 -
dc.citation.number 11 -
dc.citation.startPage 4458 -
dc.citation.title IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS -
dc.citation.volume 69 -
dc.contributor.author Park, Woojin -
dc.contributor.author Namgoong, Gyeongho -
dc.contributor.author Choi, Eunho -
dc.contributor.author Lee, Bonyoung -
dc.contributor.author Park, Hyunjun -
dc.contributor.author Ma, Hyunggun -
dc.contributor.author Bien, Franklin -
dc.date.accessioned 2023-12-21T13:20:23Z -
dc.date.available 2023-12-21T13:20:23Z -
dc.date.created 2022-11-29 -
dc.date.issued 2022-11 -
dc.description.abstract Fully integrated on-time-based mode control is utilized to achieve an efficient mode control of a PWM/PFM mode buck converter for implantable medical devices. The proposed method predicts load current from the on-time of the power switches of the buck converter and does not require an additional current sensor. Additional passive components for load current estimation are not required in this approach. Moreover, this method consumes less control power and requires a smaller area compared with other circuits used for load current prediction. The proposed dual mode buck converter is fabricated using TSMC 0.18 mu m CMOS technology. The active chip area is 0.58 x 0.46 mm(2). The input voltage range is 2.2-5.0 V, the output voltage is 1.8 V, and the load current range is 0.2-100 mA. The experimental results demonstrate the proper mode transition under step-up/down load current transient. The peak power conversion efficiency was approximately 94 % at 50 mA, and the minimum efficiency was approximately 77 % within the load current range. -
dc.identifier.bibliographicCitation IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, v.69, no.11, pp.4458 - 4462 -
dc.identifier.doi 10.1109/TCSII.2022.3194154 -
dc.identifier.issn 1549-7747 -
dc.identifier.scopusid 2-s2.0-85135760450 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/60396 -
dc.identifier.wosid 000875902500057 -
dc.language 영어 -
dc.publisher IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC -
dc.title A 94% Peak Efficiency Dual Mode Buck Converter With Fully Integrated On-Time-Based Mode Control for Implantable Medical Devices -
dc.type Article -
dc.description.isOpenAccess FALSE -
dc.relation.journalWebOfScienceCategory Engineering, Electrical & Electronic -
dc.relation.journalResearchArea Engineering -
dc.type.docType Article -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor pulse width modulation (PWM) -
dc.subject.keywordAuthor Pulse width modulation -
dc.subject.keywordAuthor Sensors -
dc.subject.keywordAuthor Buck converters -
dc.subject.keywordAuthor Voltage measurement -
dc.subject.keywordAuthor Resistors -
dc.subject.keywordAuthor pulse frequency modulation (PFM) -
dc.subject.keywordAuthor continuous conduction mode (CCM) -
dc.subject.keywordAuthor discontinuous conduction mode (DCM) -
dc.subject.keywordAuthor Inductors -
dc.subject.keywordAuthor Capacitors -
dc.subject.keywordAuthor Implantable medical devices (IMDs) -
dc.subject.keywordAuthor wireless power transfer (WPT) -

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