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Coupled Inductor Design Method for 2-Phase Interleaved Boost Converter
Dong Liang¢Ó and Hwi-Beom Shin*
Abstract To achieve the high efficiency and reliability, the multiphase interleaved converters with coupled inductors have been widely applied. In this paper, a coupled inductor design method for 2-phase interleaved boost converter is presented. A new area product equation is derived to select the proper core size. The wire size, the number of turns and the air gap length are also determined by using the proposed coupled inductor design method. Finally, the validity of the proposed coupled inductor design method is confirmed by the simulation and experimental results of a design example.
Keyword Coupled inductor, 2-phase interleaved boost converter
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