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논문 기본 정보

자료유형
학술대회자료
저자정보
Yijie Qian (Southeast University) Xinru Wang (Southeast University) Lingyun Li (Southeast University) Shen Xu (Southeast University) Weifeng Sun (Southeast University)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2023-ECCE Asia
발행연도
2023.5
수록면
518 - 523 (6page)

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초록· 키워드

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To meet the requirements of faster transient response in multiprocessor power supplies, this paper proposes a new auxiliary circuit that can be shared between several loads. The auxiliary circuit can connect to any load during the transient by reconfiguring the energy path. Costs and space are further saved since only one auxiliary circuit is needed, no matter how many processors the system has. The design of the auxiliary circuit is explained and implemented as a two-phase interleaved buck converter with several switches. Simulation results for a 250A step current with a slew rate of ±1200A/μs and experimental results for a 70A step current with a slew rate of -150A/μs are provided for verification, showing a 44% reduction in the overshoot voltage, a 34% reduction in the undershoot voltage, and nearly half the output capacitor area savings.

목차

Abstract
I. INTRODUCTION
II. PROPOSED AUXILIARY CIRCUITS SCHEME
III. IMPLEMENTATION OF AUXILIARY CIRCUITS FOR MULTIPROCESSOR POWER SUPPLIES
IV. EXPERIMENTAL VALIDATION
V. CONCLUSION
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