A robust cross-regulation-suppressed single-inductor multiple-output DC-DC converter with duty-regulated comparator control
Refereed conference paper presented and published in conference proceedings


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AbstractA robust cross-regulation-suppressed single-inductor multiple-output (SIMO) dc-dc converter with duty-regulated comparator control is proposed. The control scheme effectively combines comparator-based and linear-compensator-based controllers to achieve fast load-transient response and low cross regulation to other output channels simultaneously. The control algorithm does not rely on duty-inductor-current feed-forward which is sensitive to the accuracy of inductor-current sensor. As a result, it can provide robust cross-regulation suppression for a wide range of loading for the SIMO dc-dc converter. Moreover, together with the average-inductor-current control, the proposed control algorithm is suitable for SIMO dc-dc converter which has auto-buck-boost property for each sub-converter, which makes the SIMO converter suitable for dynamic voltage scaling applications.
All Author(s) ListZheng Y., Ho M., Leung K.N., Guo J., Chen H.
Name of Conference58th IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2015
Start Date of Conference02/08/2015
End Date of Conference05/08/2015
Place of ConferenceFort Collins
Country/Region of ConferenceUnited States of America
Detailed descriptionorganized by IEEE CAS,
Year2015
Month9
Day28
Volume Number2015-September
ISBN9781467365574
ISSN1548-3746
LanguagesEnglish-United Kingdom
KeywordsAuto buck-boost, comparator based, cross regulation, current mode, single-inductor multiple-output dc-dc converter

Last updated on 2020-22-09 at 02:26