Design procedure for reduced filter size in a buck converter using a 4th-order resonance filter

dc.contributor.authorKandeel, Youssef
dc.contributor.authorO'Driscoll, Séamus
dc.contributor.authorÓ Mathúna, Cian
dc.contributor.authorDuffy, Maeve
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2022-09-22T09:17:51Z
dc.date.available2022-09-22T09:17:51Z
dc.date.issued2022-09-16
dc.date.updated2022-09-21T15:38:41Z
dc.description.abstractThis article presents a novel design procedure for 4th order and 4th order resonance (4thRes) output filters, for given buck converter specifications, making components selection a straightforward process. An accurate filter analysis is provided to predict the filter component currents and voltages in both frequency and time domains. Application of the analysis in a design study of a 20 MHz, 5.4 W buck converter shows that the 4thRes filter has the potential to reduce the output passive components for a wide duty cycle range. As compared with a 2nd order filter at V IN = 6.6 V to V OUT = 1.8 V, total inductance, inductor energy, capacitance, and capacitor energy are 58%, 35%, 45%, and 31% lower, respectively. Air-core PCB integrated solenoid inductors are considered for implementation and testing within a prototype converter to show the impact of these filters on the converter performance. The 4thRes filter achieved 3.7% and 3.6% higher full-load efficiency than the 2nd and 4th order filters, respectively, and a better load transient performance.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationKandeel, Y., O'Driscoll, S., Ó Mathúna, C. and Duffy, M. (2022) 'Design procedure for reduced filter size in a buck converter using a 4th-order resonance filter', IEEE Transactions on Power Electronics. doi: 10.1109/TPEL.2022.3206050en
dc.identifier.doi10.1109/TPEL.2022.3206050en
dc.identifier.eissn1941-0107
dc.identifier.issn0885-8993
dc.identifier.journaltitleIEEE Transactions on Power Electronicsen
dc.identifier.urihttps://hdl.handle.net/10468/13632
dc.language.isoenen
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Investigator Programme/15/IA/3180/IE/Advanced Integrated Power Magnetics Technology- From Atoms to Systems/en
dc.rights© 2022, the Authors. This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectBuck converteren
dc.subject4th order resonance filteren
dc.subjectPCB inductoren
dc.subjectSolenoid inductoren
dc.titleDesign procedure for reduced filter size in a buck converter using a 4th-order resonance filteren
dc.typeArticle (peer-reviewed)en
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