a self-biased active voltage doubler for energy harvesting systems

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ID: 179848
2017
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Abstract
An active voltage doubler utilizing a single supply op-amp for energy harvesting system is presented. The proposed doubler is used for rectification process to achieve both acceptably high power conversion efficiency (PCE) and large rectified DC voltage. The incorporated op-amp is self-biased, meaning no external supply is needed but rather it uses part of the harvested energy for its biasing. The proposed active doubler achieves maximum power conversion efficiency (PCE) of 61.7% for a 200 Hz sinusoidal input of 0.8 V for a 20 KΩ load resistor. This efficiency is 2 times more when compared with the passive voltage doubler. The rectified DC voltage is almost 2 times more than conventional passive doubler. The relation between PCE and the load resistor is also presented. The proposed active voltage doubler is designed and simulated in LF 0.15 μm CMOS process technology using Cadence virtuoso tool.
Reference Key
tayyab2017activea Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Umais Tayyab;Hussain A. Alzaher
Journal anales de psicologia
Year 2017
DOI
10.1155/2017/1650161
URL
http://dx.doi.org/10.1155/2017/1650161
Keywords
electrical engineering electronics nuclear engineering

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