A Bootstrapped Comparator-Switched Active Rectifying Circuit for Wirelessly Powered Integrated Miniaturized Energy Sensing Systems.

Clicks: 257
ID: 79091
2019
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Abstract
Human life expectancy has gradually increased in part through rapid advances in technology, including the development and use of wearable and implantable biomedical electronic devices and sensing monitors. A new architecture is proposed in this paper to replace the traditional diode circuit implementation in wireless power supply systems applied to the above-mentioned devices and monitors. By achieving near-ideal power transistor switching and leveraging the characteristics of conventional diodes to prevent reverse current, the proposed approach greatly improves the performance of the energy harvester in power conversion. The MOS harvester used in the uninterrupted permanent wireless near-field power supply described here for use in biomedical systems was designed and verified using the Taiwan Semiconductor Manufacturing Company (TSMC) standard 180-nm process, achieving performance results of Voltage conversion efficiency (VCE) = 73.55-95.12% and Power conversion efficiency (PCE) = 80.36-90.08% with the output load (0.1-1 kΩ) under 3.3 V ac input with an overall area of 1.189 mm. These results are expected to create an important technical niche for new "green-energy" miniaturized energy sensing systems including cutting edge wirelessly powered biomedical electronics applications.
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gong2019asensors Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Gong, Cihun-Siyong Alex;Li, Shiang-Wei;Shiue, Muh-Tian;
Journal sensors
Year 2019
DOI
E4714
URL
https://www.mdpi.com/1424-8220/19/21/4714
Keywords
energy harvesting integrated circuits ac-dc power converters rfid tags implantable biomedical devices rectifying circuit wireless sensing systems

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