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In this paper, a 13.56 MHz power-efficient CMOS active rectifier is proposed for implantable medical devices. The digital offset compensation technique automatically compensates the turn-off delay to minimize the reverse leakage current to improve the conversion efficiency. The simulation results show that the proposed rectifier achieves 92.9% PCE with wide input voltage range. The input operating...
This paper presents an inductive coupling wireless power receiver with high efficiency active rectifier and multi feedback LDO regulator. The synchronous active rectifier with the zero current sensing is proposed to achieve the high efficiency minimizing the reverse leakage current. Multi Feedback LDO regulator is proposed to implement the output voltage regulation, over voltage protection, over current...
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