M. Dini, M. Filippi, A. Romani, M. Tartagni, V. Bottarel, G. Ricotti
{"title":"A 40 nA/source energy harvesting power converter for multiple and heterogeneous sources","authors":"M. Dini, M. Filippi, A. Romani, M. Tartagni, V. Bottarel, G. Ricotti","doi":"10.1109/ESSCIRC.2014.6942071","DOIUrl":null,"url":null,"abstract":"This paper presents a fully autonomous integrated circuit for power conversion from multiple and heterogeneous energy harvesting transducers. Five input channel are dedicated to vibrational harvesting and exploiting multi-frequency operations. Additional four input channels are dedicated to manage DC sources. An independent MPPT is applied on each channel. A relevant feature of the design is the use of specific nano-power design techniques which reduce the converter quiescent consumption down to 40 nA/source and still keep energy conversion efficiency up to 82.8%. Only few external components are required: an external capacitor for energy storage, a single inductor and four capacitors for MPPT on DC sources.","PeriodicalId":202377,"journal":{"name":"ESSCIRC 2014 - 40th European Solid State Circuits Conference (ESSCIRC)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ESSCIRC 2014 - 40th European Solid State Circuits Conference (ESSCIRC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESSCIRC.2014.6942071","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
This paper presents a fully autonomous integrated circuit for power conversion from multiple and heterogeneous energy harvesting transducers. Five input channel are dedicated to vibrational harvesting and exploiting multi-frequency operations. Additional four input channels are dedicated to manage DC sources. An independent MPPT is applied on each channel. A relevant feature of the design is the use of specific nano-power design techniques which reduce the converter quiescent consumption down to 40 nA/source and still keep energy conversion efficiency up to 82.8%. Only few external components are required: an external capacitor for energy storage, a single inductor and four capacitors for MPPT on DC sources.
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