State-space average-value modelling of capacitor-based switching stages: including conduction losses

TitleState-space average-value modelling of capacitor-based switching stages: including conduction losses
Publication TypeJournal Article
Year of Publication2007
AuthorsDavoudi, A., P. L. Chapman, and J. Jatskevich
JournalElectronics Letters
Volume43
Pagination893 -895
Date Publishedaug.
ISSN0013-5194
Keywordscapacitor switching, capacitor-based switching, conduction loss, DC-DC power convertors, hardware measurement, inductor-based switching stage, power inductors, pulse-width modulated DC-DC converter, PWM power convertors, state-space average-value modelling
Abstract

State-space average-value models of a second-order pulse-width modulated DC-DC converter have been proposed in the literature to represent the non-ideal inductor-based switching stages. This Letter extends previous works and proposes a new full-order, state-space average-value model of fourth-order DC-DC converters, which considers the non-ideal capacitor-based switching stages. The proposed model is seamlessly functional in all operational modes and has been verified by hardware measurement and detailed simulation in both time and frequency domains.

URLhttp://dx.doi.org/10.1049/el:20070749
DOI10.1049/el:20070749

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