Abstract
In this paper, a series resonant converter (SRC) using a piezoelectric transducer for low profile application is proposed. The proposed circuit allows integration of the power circuit by eliminating conventional bulky magnetic components. Effects of the material constants such as electromechanical coupling coefficient and mechanical quality factor on the converter performance are discussed. Design considerations of piezoelectric transducer for power converter applications are presented. Experimental results with a 15W prototype converter driving light emitting diode (LED) backlight using a single-layered piezoelectric transducer verify the feasibility of the piezoelectric transducer application in power converters.
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