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Article: Adaptive mixed on-time and switching frequency control of a system of interleaved switched-capacitor converters

TitleAdaptive mixed on-time and switching frequency control of a system of interleaved switched-capacitor converters
Authors
KeywordsAdaptive Control
Dc-Dc Converters
Electromagnetic Interference (Emi)
Interleaving
Switched-Capacitor (Sc) Converters
Issue Date2011
Citation
Ieee Transactions On Power Electronics, 2011, v. 26 n. 2, p. 364-380 How to Cite?
AbstractThe switched-capacitor (SC) converters are ideal switching-mode power supplies for consumer portable electronic devices due to their nature of being light weight, small size, and high-power density. However, they suffer from a discontinuous input-current waveform with large di/dt, which leads to significant electromagnetic interference emission. This paper proposes a configuration of SC converters connected in parallel, with their inputs and outputs interleaved and adaptively controlled. The interleaving operation is performed by using an original type of control in which both the capacitors charging time T ON and switching frequency are adjusted to get the line and load regulation. It is shown that, for a given range of variation of the supply voltage and load, there always exists a solution [T ON, T S] that assures both output-voltage regulation and perfect interleaving. Experimental results are provided to validate the feasibility of the proposed scheme. Precise interleaving, and good line and load regulation are maintained for all the designated range, including the transient periods. © 2006 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/155604
ISSN
2015 Impact Factor: 4.953
2015 SCImago Journal Rankings: 3.005
ISI Accession Number ID
Funding AgencyGrant Number
Hong Kong Polytechnic UniversityA-PB0Z
Funding Information:

Manuscript received January 14, 2010; revised March 10, 2010 and April 25, 2010; accepted July 7, 2010. Date of current version February 4, 2011. This work was supported by an internal competitive research grant from the Hong Kong Polytechnic University under Grant A-PB0Z. This paper was presented in part at the 2010 IEEE Energy Conversion Congress and Exposition, Atlanta, GA. Recommended for publication by Associate Editor M. Ferdowsi.

References

 

DC FieldValueLanguage
dc.contributor.authorTan, SCen_US
dc.contributor.authorKiratipongvoot, Sen_US
dc.contributor.authorBronstein, Sen_US
dc.contributor.authorIoinovici, Aen_US
dc.contributor.authorLai, YMen_US
dc.contributor.authorTse, CKen_US
dc.date.accessioned2012-08-08T08:34:19Z-
dc.date.available2012-08-08T08:34:19Z-
dc.date.issued2011en_US
dc.identifier.citationIeee Transactions On Power Electronics, 2011, v. 26 n. 2, p. 364-380en_US
dc.identifier.issn0885-8993en_US
dc.identifier.urihttp://hdl.handle.net/10722/155604-
dc.description.abstractThe switched-capacitor (SC) converters are ideal switching-mode power supplies for consumer portable electronic devices due to their nature of being light weight, small size, and high-power density. However, they suffer from a discontinuous input-current waveform with large di/dt, which leads to significant electromagnetic interference emission. This paper proposes a configuration of SC converters connected in parallel, with their inputs and outputs interleaved and adaptively controlled. The interleaving operation is performed by using an original type of control in which both the capacitors charging time T ON and switching frequency are adjusted to get the line and load regulation. It is shown that, for a given range of variation of the supply voltage and load, there always exists a solution [T ON, T S] that assures both output-voltage regulation and perfect interleaving. Experimental results are provided to validate the feasibility of the proposed scheme. Precise interleaving, and good line and load regulation are maintained for all the designated range, including the transient periods. © 2006 IEEE.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Transactions on Power Electronicsen_US
dc.subjectAdaptive Controlen_US
dc.subjectDc-Dc Convertersen_US
dc.subjectElectromagnetic Interference (Emi)en_US
dc.subjectInterleavingen_US
dc.subjectSwitched-Capacitor (Sc) Convertersen_US
dc.titleAdaptive mixed on-time and switching frequency control of a system of interleaved switched-capacitor convertersen_US
dc.typeArticleen_US
dc.identifier.emailTan, SC:sctan@hku.hken_US
dc.identifier.authorityTan, SC=rp01606en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/TPEL.2010.2060497en_US
dc.identifier.scopuseid_2-s2.0-79951524969en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79951524969&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume26en_US
dc.identifier.issue2en_US
dc.identifier.spage364en_US
dc.identifier.epage380en_US
dc.identifier.isiWOS:000287096700006-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridTan, SC=26642772000en_US
dc.identifier.scopusauthoridKiratipongvoot, S=35098739400en_US
dc.identifier.scopusauthoridBronstein, S=7003798246en_US
dc.identifier.scopusauthoridIoinovici, A=7003591597en_US
dc.identifier.scopusauthoridLai, YM=7401512093en_US
dc.identifier.scopusauthoridTse, CK=7103295097en_US

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