A High-Efficiency Low-Voltage CMOS Rectifier for Harvesting Energy in Implantable Devices


We have a tendency to gift, during this paper, a brand new full-wave CMOS rectifier dedicated for wirelessly-powered low-voltage biomedical implants. It uses bootstrapped capacitors to reduce the effective threshold voltage of selected MOS switches. It achieves a significant increase in its overall power potency and low voltage-drop. Therefore, the rectifier is nice for applications with low-voltage power supplies and giant load current. The rectifier topology does not require complex circuit style. The highest voltages accessible within the circuit are used to drive the gates of selected transistors so as to reduce leakage current and to lower their channel on-resistance, whereas having high transconductance. The proposed rectifier was fabricated using the quality TSMC zero.18 $murm m$ CMOS process. When connected to a sinusoidal source of three.3 V peak amplitude, it permits improving the overall power potency by elevenp.c compared to the best recently published results given by a gate cross-coupled-based mostly structure.

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