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    A Self-Biased Active Voltage Doubler for Energy Harvesting Systems

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    Type
    Article
    Authors
    Tayyab, Umais cc
    Alzaher, Hussain A. cc
    KAUST Grant Number
    OSR-2016-KKI-2880
    Date
    2017-12-03
    Online Publication Date
    2017-12-03
    Print Publication Date
    2017
    Permanent link to this record
    http://hdl.handle.net/10754/626672
    
    Metadata
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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 K 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.
    Citation
    Tayyab U, Alzaher HA (2017) A Self-Biased Active Voltage Doubler for Energy Harvesting Systems. Active and Passive Electronic Components 2017: 1–6. Available: http://dx.doi.org/10.1155/2017/1650161.
    Sponsors
    The authors would like to acknowledge the support of KAUST-KFUPM Initiative (KKI) program, Project no. OSR-2016-KKI-2880.
    Publisher
    Hindawi Limited
    Journal
    Active and Passive Electronic Components
    DOI
    10.1155/2017/1650161
    ae974a485f413a2113503eed53cd6c53
    10.1155/2017/1650161
    Scopus Count
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    Publications Acknowledging KAUST Support

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