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一种用于无线供电集成小型化能量传感系统的自举比较器开关有源整流电路。

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

机构信息

Department of Electrical Engineering, School of Electrical and Computer Engineering, College of Engineering, Chang Gung University, Taoyuan 33302, Taiwan.

Green Technology Research Center, Portable Energy System Group, College of Engineering, Chang Gung University, Taoyuan 33302, Taiwan.

出版信息

Sensors (Basel). 2019 Oct 30;19(21):4714. doi: 10.3390/s19214714.

DOI:10.3390/s19214714
PMID:31671602
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6864721/
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.

摘要

人类的预期寿命在一定程度上逐渐延长，这部分要归功于技术的快速进步，包括可穿戴和可植入生物医学电子设备以及感测监测器的开发和使用。本文提出了一种新的架构，以取代应用于上述设备和监测器的无线电源系统中的传统二极管电路实现。通过实现接近理想的功率晶体管开关，并利用传统二极管的特性来防止反向电流，所提出的方法极大地提高了能量收集器在功率转换中的性能。本文所描述的用于生物医学系统的不间断永久近场无线近场电源中使用的 MOS 收集器采用台湾积体电路制造公司（TSMC）标准的 180nm 工艺进行设计和验证，在 3.3V ac 输入下，输出负载（0.1-1kΩ）时，实现了电压转换效率（VCE）=73.55-95.12%和功率转换效率（PCE）=80.36-90.08%的性能结果，整体面积为 1.189mm。这些结果有望为新的“绿色能源”小型化能量感测系统创造一个重要的技术利基，包括前沿的无线供电生物医学电子应用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/6864721/b35fc7ec7701/sensors-19-04714-g035.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/6864721/a2e86f4ce147/sensors-19-04714-g017.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/6864721/e57386cbe1ca/sensors-19-04714-g018.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/6864721/1e71cccf3d67/sensors-19-04714-g019.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/6864721/c1faefd90f9e/sensors-19-04714-g026.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/6864721/f71d08b67f56/sensors-19-04714-g027.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/6864721/a5c9aa6fd49f/sensors-19-04714-g028.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/6864721/05f089685d1d/sensors-19-04714-g029.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/6864721/baa7b9ff24df/sensors-19-04714-g031a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/6864721/74176170076d/sensors-19-04714-g032.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/6864721/c6176d53bc2f/sensors-19-04714-g033.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/6864721/42f9bafd8cbc/sensors-19-04714-g034.jpg
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本文引用的文献

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