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논문 기본 정보

자료유형
학술대회자료
저자정보
Chang-Yeob Chu (Korea Advanced Institute of Science and Technology) Youngseok Lee (Korea Advanced Institute of Science and Technology) Sangcheol Moon (Samsung Electronics) Ki-Bum Park (Korea Advanced Institute of Science and Technology)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2023-ECCE Asia
발행연도
2023.5
수록면
1,430 - 1,436 (7page)

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초록· 키워드

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Non-isolated resonant converter with peak charge control for high power density is studied in this paper. Step-down converter is required for system on chip (SoC) operation. Buck converter is mainly used, and many studies have been conducted to improve power density by reducing the size of converter. Increasing the switching frequency of converter can contribute to the size reduction. Therefore, class D/E resonant converter suitable for high-frequency operation due to zero voltage switching (ZVS) is chosen as a step-down converter instead of conventional hard switching buck converter. Furthermore, the output capacitor ripple current-based peak charge control and adaptive voltage position (AVP) are simultaneously applied to the class D/E resonant converter. Based on this control method, the size of passive components can be further minimized. The operation of converter with peak charge control and AVP is shown by simulation. Finally, comparison of passive component values according to topology and control method is provided.

목차

Abstract
I. INTRODUCTION
II. NON-ISOLATED RESONANT CONVERTER
III. CONTROL METHOD
IV. SIMULATION AND COMPARISON
V. CONCLUSIONS
REFERENCES

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