共享电感结构可重构调节整流器(SR-RR)实现6.78 mhz AC-DC整流和1mhz DC-DC能量回收

2022 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits) Pub Date : 2022-06-12 DOI:10.1109/vlsitechnologyandcir46769.2022.9830263

Fu-Bin Yang, Dao-Han Yao, Po-Hung Chen

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引用次数: 0

摘要

提出了一种用于无线电力传输(WPT)系统的6.78 mhz四模结构可重构整流器(SR-RR)。SR-RR通过共用一个接收线圈和电源开关，将交直流调节整流器和DC-DC升压变换器的功能结合在一起。测量结果表明，接收机效率峰值为91.9%，系统效率峰值为64.4%，轻载效率提高38.9%，输出功率扩展1.7倍。

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A Shared-Inductor Structure-Reconfigurable Regulating Rectifier (SR-RR) Enabling 6.78-MHz AC-DC Rectification and 1-MHz DC-DC Energy Recycling

This paper presents a 6.78-MHz quad-mode structure-reconfigurable regulating rectifier (SR-RR) for wireless power transfer (WPT) systems. The proposed SR-RR combines AC-DC regulating rectifier and DC-DC boost converter functions in one stage by sharing a receiver coil and power switches. The measurement results demonstrate 91.9% peak receiver efficiency and 64.4% peak system efficiency while obtaining 38.9% light-load efficiency improvement and 1.7X output power extension.

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来源期刊

2022 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits)

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