{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T02:27:50Z","timestamp":1760236070910,"version":"build-2065373602"},"reference-count":30,"publisher":"MDPI AG","issue":"20","license":[{"start":{"date-parts":[[2021,10,17]],"date-time":"2021-10-17T00:00:00Z","timestamp":1634428800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61531008"],"award-info":[{"award-number":["61531008"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100008120","name":"Regionale forskningsfond Oslofjordfondet","doi-asserted-by":"publisher","award":["285575"],"award-info":[{"award-number":["285575"]}],"id":[{"id":"10.13039\/501100008120","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Chongqing Research Program of Basic and Frontier Technology","award":["Cstc2018jcyjA3877","cstc2018jcyjAX0474","cstc2019jcyj-msxmX0776"],"award-info":[{"award-number":["Cstc2018jcyjA3877","cstc2018jcyjAX0474","cstc2019jcyj-msxmX0776"]}]},{"name":"Chongqing Education Commission\u2013Science and Technology Research Program","award":["KJZD- 358 K201800802","KJZDK201900802","KLZD-K202000805"],"award-info":[{"award-number":["KJZD- 358 K201800802","KJZDK201900802","KLZD-K202000805"]}]},{"name":"Regionale forskningsfond Agder","award":["321343"],"award-info":[{"award-number":["321343"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Power conversion efficiency (PCE) has been one of the key concerns for power management circuits (PMC) due to the low output power of the vibrational energy harvesters. This work reports a dynamic threshold cancellation technique for a high-power conversion efficiency CMOS rectifier. The proposed rectifier consists of two stages, one passive stage with a negative voltage converter, and another stage with an active diode controlled by a threshold cancellation circuit. The former stage conducts the signal full-wave rectification with a voltage drop of 1 mV, whereas the latter reduces the reverse leakage current, consequently enhancing the output power delivered to the ohmic load. As a result, the rectifier can achieve a voltage and power conversion efficiency of over 99% and 90%, respectively, for an input voltage of 0.45 V and for low ohmic loads. The proposed circuit is designed in a standard 130 nm CMOS process and works for an operating frequency range from 800 Hz to 51.2 kHz, which is promising for practical applications.<\/jats:p>","DOI":"10.3390\/s21206883","type":"journal-article","created":{"date-parts":[[2021,10,17]],"date-time":"2021-10-17T23:25:15Z","timestamp":1634513115000},"page":"6883","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["A Dynamic Threshold Cancellation Technique for a High-Power Conversion Efficiency CMOS Rectifier"],"prefix":"10.3390","volume":"21","author":[{"given":"Ant\u00f3nio","family":"Godinho","sequence":"first","affiliation":[{"name":"Chongqing Key Laboratory of Micro-Nano Systems and Smart Transduction, Collaborative Innovation Center on Micro-Nano Transduction and Intelligent Eco-Internet of Things, Chongqing Key Laboratory of Colleges and Universities on Micro-Nano Systems Technology and Smart Transducing, National Research Base of Intelligent Manufacturing Service, Chongqing Technology and Business University, Chongqing 400067, China"}]},{"given":"Zhaochu","family":"Yang","sequence":"additional","affiliation":[{"name":"Chongqing Key Laboratory of Micro-Nano Systems and Smart Transduction, Collaborative Innovation Center on Micro-Nano Transduction and Intelligent Eco-Internet of Things, Chongqing Key Laboratory of Colleges and Universities on Micro-Nano Systems Technology and Smart Transducing, National Research Base of Intelligent Manufacturing Service, Chongqing Technology and Business University, Chongqing 400067, China"}]},{"given":"Tao","family":"Dong","sequence":"additional","affiliation":[{"name":"Department of Microsystems (IMS), Faculty of Technology Natural Sciences and Maritime Sciences, University of South-Eastern Norway, 3616 Kongsberg, Norway"}]},{"given":"Lu\u00eds","family":"Gon\u00e7alves","sequence":"additional","affiliation":[{"name":"Center for MicroElectromechanical Systems (CMEMS-UMinho), University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"given":"Paulo","family":"Mendes","sequence":"additional","affiliation":[{"name":"Center for MicroElectromechanical Systems (CMEMS-UMinho), University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"given":"Yumei","family":"Wen","sequence":"additional","affiliation":[{"name":"School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China"}]},{"given":"Ping","family":"Li","sequence":"additional","affiliation":[{"name":"School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China"}]},{"given":"Zhuangde","family":"Jiang","sequence":"additional","affiliation":[{"name":"Chongqing Key Laboratory of Micro-Nano Systems and Smart Transduction, Collaborative Innovation Center on Micro-Nano Transduction and Intelligent Eco-Internet of Things, Chongqing Key Laboratory of Colleges and Universities on Micro-Nano Systems Technology and Smart Transducing, National Research Base of Intelligent Manufacturing Service, Chongqing Technology and Business University, Chongqing 400067, China"}]}],"member":"1968","published-online":{"date-parts":[[2021,10,17]]},"reference":[{"key":"ref_1","first-page":"1","article-title":"Energy-harvesting wireless sensor networks (EH-WSNs) A review","volume":"14","author":"Adam","year":"2018","journal-title":"ACM Trans. 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