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In this paper, a 13.56 MHz CMOS near-field inductive link power supply (ILPS) that can deliver 20 mA output current for implantable medical devices (IMDs) is proposed and fabricated. In the proposed ILPS, the pair of inductive link coils is constructed in the spiral shape with a ferrite core to save space and increase efficiency. Experimental results have shown that the near-field coils can transmit...
This paper presents an exact and high-efficiency PFM dc-dc boost converter designed with a standard TSMC 3.3/5 V 0.35-mum CMOS technology. The proposed boost converter utilizes a dynamic stored energy technique to reduce output voltage variation and raise power conversion efficiency. This result is realized using a dynamic stored energy controller and a load current detector that accurately generates...
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