Franz Marcus Schüffny, Michael Hayoz, Cheolyong Bae, I. Arya, M. Gokhale, Annapragada Hema Chandar, Martin Nielsen-Lönn, Pavel Angelov
{"title":"Zero-crossing detector for a piezoelectric energy harvester","authors":"Franz Marcus Schüffny, Michael Hayoz, Cheolyong Bae, I. Arya, M. Gokhale, Annapragada Hema Chandar, Martin Nielsen-Lönn, Pavel Angelov","doi":"10.1109/NORCHIP.2017.8124957","DOIUrl":null,"url":null,"abstract":"Energy harvesting is a method that extracts electrical energy from the environment. This paper presents an integrated circuit in 0.35-μm CMOS that harvests energy from mechanical vibration using a piezoelectric transducer. The circuit applies a bias-flip rectifier to improve the efficiency of the energy extraction. The paper focuses on the design of the key element of the bias-flip rectifier, the zero-crossing detector. It detects the zero crossing of the input current from the piezoelectric transducer and generates the control signals for the bias-flip rectifier. Post-layout simulations show a very low power consumption and high efficiency of the harvester.","PeriodicalId":373686,"journal":{"name":"2017 IEEE Nordic Circuits and Systems Conference (NORCAS): NORCHIP and International Symposium of System-on-Chip (SoC)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 IEEE Nordic Circuits and Systems Conference (NORCAS): NORCHIP and International Symposium of System-on-Chip (SoC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NORCHIP.2017.8124957","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
Energy harvesting is a method that extracts electrical energy from the environment. This paper presents an integrated circuit in 0.35-μm CMOS that harvests energy from mechanical vibration using a piezoelectric transducer. The circuit applies a bias-flip rectifier to improve the efficiency of the energy extraction. The paper focuses on the design of the key element of the bias-flip rectifier, the zero-crossing detector. It detects the zero crossing of the input current from the piezoelectric transducer and generates the control signals for the bias-flip rectifier. Post-layout simulations show a very low power consumption and high efficiency of the harvester.