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전원모듈 소형화를 위한 Planar Inductor/Transformer 설계에 관한 연구
안대진(Dae-Jin Ahn),지봉철(Bong-Chul Ji),장호산(Ho-San Jang),신유용(You-Yong Shin) 대한전자공학회 2023 대한전자공학회 학술대회 Vol.2023 No.11
Due to the emergence of smart devices and wearable devices due to the influence of the 4th Industrial Revolution, the demand for technologies such as high performance, high efficiency, and small/light weight of SMPS is increasing. However, due to the limitations of energy accumulation and conversion elements such as transformer, capacitor, and inductor, it is difficult to make it smaller/lighter. This paper deals with a study on how to design a high-efficiency and high-density power conversion system using Planar Inductor/Transformer, which can be applied to small power conversion modules. Planar Inductor/Transformer features a flat plane design and high-density winding, which improves space efficiency and power conversion efficiency. The text analyzes the requirements of the proposed power conversion module, introduces technical aspects and features of Planar magnetics, and presents design guidelines. In addition, it explains in detail how to design and manufacture high efficiency by applying Planar Inductor/Transformer.