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DC Field | Value | Language |
---|---|---|
dc.citation.endPage | 521 | - |
dc.citation.number | 3 | - |
dc.citation.startPage | 509 | - |
dc.citation.title | IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS | - |
dc.citation.volume | 15 | - |
dc.contributor.author | Namgoong, Gyeongho | - |
dc.contributor.author | Choi, Eunho | - |
dc.contributor.author | Park, Woojin | - |
dc.contributor.author | Lee, Bonyoung | - |
dc.contributor.author | Park, Hyunjun | - |
dc.contributor.author | Ma, Hyunggun | - |
dc.contributor.author | Bien, Franklin | - |
dc.date.accessioned | 2023-12-21T15:41:31Z | - |
dc.date.available | 2023-12-21T15:41:31Z | - |
dc.date.created | 2021-08-26 | - |
dc.date.issued | 2021-06 | - |
dc.description.abstract | In this paper, a fully integrated active rectifier with triple feedback loops is proposed to enhance power conversion efficiency (PCE) over a wide loading range by calibrating both the gate transition timing and power switch size. The on- and off-transitions of the power switches are calibrated using a hybrid delay-based gate control circuit (HDGCC) with hybrid feedback loops. Conventional active rectifiers that only focused on calibrating the gate transition timing of a NMOS power switch with a fixed power switch size exhibit a low PCE when the loading condition deviates from the predetermined range. Thus, an automatic size selector based on a third feedback loop is proposed, which changes the power switch size based on the loading condition and ensures a stable operation of the hybrid loops by maintaining the voltage drop across the NMOS switches. An active rectifier was fabricated using the standard 0.18 mu m CMOS process. The effectiveness and robustness of the two-dimensional calibration were verified through measurements under an AC input voltage ranging from 2.5 to 5.0 V and an output power ranging from 1.25 to 125 mW. The peak voltage conversion ratio and peak PCE were 97.6% and 95.0%, respectively, at R-L = 500 omega. | - |
dc.identifier.bibliographicCitation | IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS, v.15, no.3, pp.509 - 521 | - |
dc.identifier.doi | 10.1109/TBCAS.2021.3083276 | - |
dc.identifier.issn | 1932-4545 | - |
dc.identifier.scopusid | 2-s2.0-85107205715 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/53560 | - |
dc.identifier.url | https://ieeexplore.ieee.org/document/9440730 | - |
dc.identifier.wosid | 000684698900017 | - |
dc.language | 영어 | - |
dc.publisher | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC | - |
dc.title | A 6.78 MHz, 95.0% Peak Efficiency Monolithic Two-Dimensional Calibrated Active Rectifier for Wirelessly Powered Implantable Biomedical Devices | - |
dc.type | Article | - |
dc.description.isOpenAccess | FALSE | - |
dc.relation.journalWebOfScienceCategory | Engineering, Biomedical; Engineering, Electrical & Electronic | - |
dc.relation.journalResearchArea | Engineering | - |
dc.type.docType | Article | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordAuthor | Active rectifier | - |
dc.subject.keywordAuthor | adaptive delay compensation | - |
dc.subject.keywordAuthor | adaptive sizing control | - |
dc.subject.keywordAuthor | implantable medical devices | - |
dc.subject.keywordAuthor | triple feedback loop | - |
dc.subject.keywordAuthor | two-dimensional calibration | - |
dc.subject.keywordAuthor | wireless power transmission | - |
dc.subject.keywordPlus | SWITCHED-OFFSET | - |
dc.subject.keywordPlus | TRANSFER SYSTEM | - |
dc.subject.keywordPlus | TIME CONTROL | - |
dc.subject.keywordPlus | COMPENSATION | - |
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