Analisys of Current-Bidirectional Buck-Boost Based Automotive Switch-Mode Audio Amplifier

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2011

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The following study was carried out in order to assess quantitatively the performance of the buck-boost converter when used as switch-mode audio amplifier. It comprises of, to begin with, the delimitation of design criteria based on the state-ofthe- art solution, which is based in a differential mode buck-based amplifier with a boost converter as power supply. The averaged switch modelling of the differential mode current bidirectional topology is also used, in order to analyze the steady state and frequency domain behaviour of this converter and parameterize it to meet the design criteria. Next, several piecewise-linear simulation results are shown with detail enough to emphasize the features of the converter. A simple prototype is implemented to verify the main predicted features. Presently no previous publication could be found containing a thorough analysis of this topology in such configuration when applied for audio.
Original languageEnglish
TitleAutomotive Power Electronics Conference and Exhibition.
Publication date2011
StatePublished

Conference

Conference4. International Conference and Exhibition "Automotive Power Electronics"
CityParis, France
Period01/01/11 → …
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