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Conference Paper: Reset-sensing quasi-V2 single-inductor multiple-output buck converter with reduced cross-regulation

TitleReset-sensing quasi-V2 single-inductor multiple-output buck converter with reduced cross-regulation
Authors
KeywordsReset-sensing quasi-V2 control
Cross-regulation
Discontinuous Conduction Mode (DCM)
Single-Inductor Multiple-Output (SIMO)
Issue Date2015
PublisherIEEE. The Journal's web site is located at http://www.ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000047
Citation
The 2015 IEEE Applied Power Electronics Conference and Exposition (APEC), Charlotte, NC., 15-19 March 2015. In IEEE Applied Power Electronics Conference and Exposition Conference Proceedings, 2015, p. 935-940 How to Cite?
AbstractThis paper proposes a reset-sensing quasi-V2 single-inductor multiple-output (SIMO) converter with minimal cross-regulation. The conventional quasi-V2 sensing scheme in SIMO converters suffers from serious cross-regulation which is primarily induced by the load differentiation with unbalanced loads. It is shown that the proposed reset-sensing quasi-V2 control scheme can significantly reduce cross-regulation by completely discharging the feed-forward sensing node to zero volts during the idle phase in Discontinuous Conduction Mode (DCM). The cross-regulation with the conventional quasi-V2 single-inductor dual-output (SIDO) converter for a load current step of 150 mA is experimentally verified to be more than 1.25 mV/mA. By employing the proposed quasi-V2 control method, the experimental results demonstrate that the cross-regulation for a load current step of 150 mA is significantly reduced to within 0.087 mV/mA. Hence, with the proposed scheme, a load transient in one output will have a minimal effect on the DC operating point of another output. This enables separate current control at each individually-driven output of a SIMO converter. © IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/210621
ISBN
ISSN

 

DC FieldValueLanguage
dc.contributor.authorLee, ATL-
dc.contributor.authorTan, SC-
dc.contributor.authorHui, SYR-
dc.contributor.authorChan, PCH-
dc.contributor.authorSin, JKO-
dc.date.accessioned2015-06-22T02:18:27Z-
dc.date.available2015-06-22T02:18:27Z-
dc.date.issued2015-
dc.identifier.citationThe 2015 IEEE Applied Power Electronics Conference and Exposition (APEC), Charlotte, NC., 15-19 March 2015. In IEEE Applied Power Electronics Conference and Exposition Conference Proceedings, 2015, p. 935-940-
dc.identifier.isbn978-1-4799-6735-3-
dc.identifier.issn1048-2334-
dc.identifier.urihttp://hdl.handle.net/10722/210621-
dc.description.abstractThis paper proposes a reset-sensing quasi-V2 single-inductor multiple-output (SIMO) converter with minimal cross-regulation. The conventional quasi-V2 sensing scheme in SIMO converters suffers from serious cross-regulation which is primarily induced by the load differentiation with unbalanced loads. It is shown that the proposed reset-sensing quasi-V2 control scheme can significantly reduce cross-regulation by completely discharging the feed-forward sensing node to zero volts during the idle phase in Discontinuous Conduction Mode (DCM). The cross-regulation with the conventional quasi-V2 single-inductor dual-output (SIDO) converter for a load current step of 150 mA is experimentally verified to be more than 1.25 mV/mA. By employing the proposed quasi-V2 control method, the experimental results demonstrate that the cross-regulation for a load current step of 150 mA is significantly reduced to within 0.087 mV/mA. Hence, with the proposed scheme, a load transient in one output will have a minimal effect on the DC operating point of another output. This enables separate current control at each individually-driven output of a SIMO converter. © IEEE.-
dc.languageeng-
dc.publisherIEEE. The Journal's web site is located at http://www.ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000047-
dc.relation.ispartofIEEE Applied Power Electronics Conference and Exposition Conference Proceedings-
dc.rightsIEEE Applied Power Electronics Conference and Exposition Conference Proceedings. Copyright © IEEE.-
dc.rights©2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectReset-sensing quasi-V2 control-
dc.subjectCross-regulation-
dc.subjectDiscontinuous Conduction Mode (DCM)-
dc.subjectSingle-Inductor Multiple-Output (SIMO)-
dc.titleReset-sensing quasi-V2 single-inductor multiple-output buck converter with reduced cross-regulation-
dc.typeConference_Paper-
dc.identifier.emailLee, ATL: tlalee@hku.hk-
dc.identifier.emailTan, SC: sctan@eee.hku.hk-
dc.identifier.emailHui, SYR: ronhui@eee.hku.hk-
dc.identifier.authorityTan, SC=rp01606-
dc.identifier.authorityHui, SYR=rp01510-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/APEC.2015.7104461-
dc.identifier.hkuros244195-
dc.identifier.hkuros244387-
dc.identifier.spage935-
dc.identifier.epage940-
dc.publisher.placeUnited States-
dc.customcontrol.immutablesml 150622-

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