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An ultra-low power wake-Up timer compatible with n-FET based flexible technologies

2025-01-12Artigo científico Acesso aberto
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dc.contributor.authorNarbón, D.
dc.contributor.authorSoler-Fernández, J. L.
dc.contributor.authorSantos, A.
dc.contributor.authorBarquinha, P.
dc.contributor.authorMartins, R.
dc.contributor.authorDiéguez, A.
dc.contributor.authorPrades, J. D.
dc.contributor.authorAlonso, O.
dc.contributor.institutionCENIMAT-i3N - Centro de Investigação de Materiais (Lab. Associado I3N)
dc.contributor.institutionDCM - Departamento de Ciência dos Materiais
dc.contributor.pblNature Publishing Group
dc.date.accessioned2025-05-29T21:19:20Z
dc.date.available2025-05-29T21:19:20Z
dc.date.issued2025-01-12
dc.descriptionFunding Information: This work was supported by the European Union’s Horizon 2020 Research and Innovation Programme, under grant agreement Nr. 951774. JLSF thanks the Spanish Ministry of Universities for its support through the FPU fellowship grant (FPU22/01008). JDP acknowledges the sponsorship of the Alexander von Humboldt Professorship of the Humboldt Foundation and the Federal Ministry for Education and Research (Germany). This work also received funding from the European Community’s Horizon Europe program (ERC-POC FLETRAD, grant agreement no. 101082283) and from National Funds through the FCT - Fundação para a Ciência e a Tecnologia, I.P., projects LA/P/0037/2020, UIDP/50025/2020 and UIDB/50025/2020. This research was also supported by the Generalitat de Catalunya through the grant 2021 SGR 01108. Publisher Copyright: © The Author(s) 2025.
dc.description.abstractFlexible integrated circuits (FlexICs) have drawn increasing attention, particularly in remote sensors and wearables operating in a limited power budget. Here, we present an ultra-low power timer designed to wake-up an external circuit periodically, from a deep-sleep state into an active state, thereby largely reducing the system power consumption. We achieved this with a circuit topology that exploits the transistor’s leakage current to generate a low frequency wake-up signal. This topology is compatible with IC technologies where only n-type transistors are available. The design was implemented with the sustainable FlexIC process of PragmatIC, that is based on Indium Gallium Zinc Oxide (IGZO) thin-film transistors. Our timer generates mean wake-up frequency of 0.24 ± 0.15 Hz, with a mean power consumption of 26.7 ± 14.1 nW. In this paper, we provide details of the Wake-Up timer’s design and performance at different supply voltages, under temperature variations and different light conditions.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent13
dc.format.extent3324301
dc.identifier.doi10.1038/s41528-024-00374-4
dc.identifier.issn2397-4621
dc.identifier.otherPURE: 117061934
dc.identifier.otherPURE UUID: d37e31a1-f14d-4cbc-9a6a-f85bd88b476d
dc.identifier.otherScopus: 85218245814
dc.identifier.otherWOS: 001396076600001
dc.identifier.urihttp://hdl.handle.net/10362/183624
dc.identifier.urlhttps://www.scopus.com/pages/publications/85218245814
dc.identifier.urlhttps://www.webofscience.com/wos/woscc/full-record/WOS:001396076600001
dc.language.isoeng
dc.peerreviewedyes
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/951774/EU
dc.relationFully Oxide-based Zero-Emission and Portable Energy Supply
dc.relationInstitute of Nanostructures, Nanomodelling and Nanofabrication
dc.relationInstitute of Nanostructures, Nanomodelling and Nanofabrication
dc.relationinfo:eu-repo/grantAgreement/FCT/Concurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017%2F2018) - Financiamento Base/UIDB%2F50025%2F2020/PT
dc.subjectGeneral Materials Science
dc.subjectElectrical and Electronic Engineering
dc.titleAn ultra-low power wake-Up timer compatible with n-FET based flexible technologiesen
dc.typejournal article
degois.publication.firstPage1
degois.publication.lastPage13
degois.publication.titlenpj Flexible Electronics
degois.publication.volume9
dspace.entity.typePublication
oaire.awardNumber951774
oaire.awardNumberLA/P/0037/2020
oaire.awardNumberUIDP/50025/2020
oaire.awardNumberUIDB/50025/2020
oaire.awardTitleFully Oxide-based Zero-Emission and Portable Energy Supply
oaire.awardTitleInstitute of Nanostructures, Nanomodelling and Nanofabrication
oaire.awardTitleInstitute of Nanostructures, Nanomodelling and Nanofabrication
oaire.awardURIinfo:eu-repo/grantAgreement/EC/H2020/951774/EU
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0037%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F50025%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Concurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017%2F2018) - Financiamento Base/UIDB%2F50025%2F2020/PT
oaire.fundingStreamH2020
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamConcurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017/2018) - Financiamento Base
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameEuropean Commission
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccess
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relation.isProjectOfPublication4b1cd3c6-a456-4abc-8246-39c79dc9ec18
relation.isProjectOfPublication.latestForDiscovery0be2b9bc-e372-4e1f-b638-bb2c018d56c4

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