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Conference Paper: Switched-capacitor converter configuration with low EMI emission obtained by interleaving and its large-signal modeling

TitleSwitched-capacitor converter configuration with low EMI emission obtained by interleaving and its large-signal modeling
Authors
Tan, SCNur, MKiratipongvoot, SBronstein, SLai, YMTse, CKIoinovici, A
Issue Date2009
Citation
Proceedings - Ieee International Symposium On Circuits And Systems, 2009, p. 1081-1084 How to Cite?
DOI: http://dx.doi.org/10.1109/ISCAS.2009.5117947
AbstractThe switched-capacitor converters are ideal switching-mode power supplies for portable electronic consumers due to their light weight, small size, and high power density. However, they suffer from a discontinuous input current waveform with large di/dt, what leads to significant electromagnetic interference (EMI) emission. This paper proposes a configuration of switched-capacitor converters connected in parallel with their inputs and outputs interleaved. The interleaving times are calculated by taking into account the fast capacitor-charging characteristic, and the need to have the nominal operating point on its linear part for increasing the regulation range at changes in the input voltage and load. To improve control performance and avoid the use of small-signal linearization in the control design, a large-signal approach is adopted for modeling the converter, allowing for a design of a sliding mode control. ©2009 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/148980
ISSN
0271-4310
2020 SCImago Journal Rankings: 0.229
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorTan, SCen_HK
dc.contributor.authorNur, Men_HK
dc.contributor.authorKiratipongvoot, Sen_HK
dc.contributor.authorBronstein, Sen_HK
dc.contributor.authorLai, YMen_HK
dc.contributor.authorTse, CKen_HK
dc.contributor.authorIoinovici, Aen_HK
dc.date.accessioned2012-06-20T06:17:27Z-
dc.date.available2012-06-20T06:17:27Z-
dc.date.issued2009en_HK
dc.identifier.citationProceedings - Ieee International Symposium On Circuits And Systems, 2009, p. 1081-1084en_HK
dc.identifier.issn0271-4310en_HK
dc.identifier.urihttp://hdl.handle.net/10722/148980-
dc.description.abstractThe switched-capacitor converters are ideal switching-mode power supplies for portable electronic consumers due to their light weight, small size, and high power density. However, they suffer from a discontinuous input current waveform with large di/dt, what leads to significant electromagnetic interference (EMI) emission. This paper proposes a configuration of switched-capacitor converters connected in parallel with their inputs and outputs interleaved. The interleaving times are calculated by taking into account the fast capacitor-charging characteristic, and the need to have the nominal operating point on its linear part for increasing the regulation range at changes in the input voltage and load. To improve control performance and avoid the use of small-signal linearization in the control design, a large-signal approach is adopted for modeling the converter, allowing for a design of a sliding mode control. ©2009 IEEE.en_HK
dc.languageengen_US
dc.relation.ispartofProceedings - IEEE International Symposium on Circuits and Systemsen_HK
dc.titleSwitched-capacitor converter configuration with low EMI emission obtained by interleaving and its large-signal modelingen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailTan, SC:sctan@hku.hken_HK
dc.identifier.authorityTan, SC=rp01606en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/ISCAS.2009.5117947en_HK
dc.identifier.scopuseid_2-s2.0-70350158205en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-70350158205&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.spage1081en_HK
dc.identifier.epage1084en_HK
dc.identifier.scopusauthoridTan, SC=26642772000en_HK
dc.identifier.scopusauthoridNur, M=24921630500en_HK
dc.identifier.scopusauthoridKiratipongvoot, S=35098739400en_HK
dc.identifier.scopusauthoridBronstein, S=7003798246en_HK
dc.identifier.scopusauthoridLai, YM=7401512093en_HK
dc.identifier.scopusauthoridTse, CK=7103295097en_HK
dc.identifier.scopusauthoridIoinovici, A=7003591597en_HK
dc.identifier.issnl0271-4310-

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