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논문 기본 정보

자료유형
학술저널
저자정보
Jongwan Kim (Virginia Polytechnic Institute and State University) Jung-Muk Choe (United Technologies Research Center) Yousef Alabdrabalnabi (Schlumberger) Jih-Sheng Jason Lai (Virginia Polytechnic Institute and State University)
저널정보
전력전자학회 전력전자학회논문지 전력전자학회 논문지 제24권 제3호
발행연도
2019.6
수록면
201 - 206 (6page)

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초록· 키워드

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This study presents the design and experimental result of a GaN-based DC–DC converter with an integrated gate driver. The GaN device is attractive to power electronic applications due to its superior device performance. However, the switching loss of a GaN-based power converter is susceptible to the common source inductance, and converter efficiency is severely degraded with a large loop inductance. The objective of this study is to achieve high-efficiency power conversion and the highest power density using a multiphase integrated half-bridge GaN solution with minimized loop inductance. Before designing the converter, several GaN and Si devices were compared and loss analysis was conducted. Moreover, the impact of common source inductance from layout parasitic inductance was carefully investigated. Experimental test was conducted in buck mode operation at 48–12 V, and results showed a peak efficiency of 97.8%.

목차

Abstract
1. Introduction
2. Device Characteristic Comparison
3. Power Loss Calculation
4. Experimental Result
5. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2019-560-000681847