Approach to integrated energy harvesting voltage source based on novel active TEG array system

Roman Buzilo, Boris Likhterov, Robert Giterman, Itamar Levi, Alexander Fish, Alexander Belenky

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

7 Scopus citations

Abstract

This paper presents a new system approach to an on-chip voltage source based on integrated thermoelectric generator (TEG) elements. The proposed architecture employs a novel active TEG array (ATA) system. The ATA system is able to control the TEG's harvested electrical energy, without using a DC/DC integrated converter. This makes it possible to cut power losses due to the non-ideality of the converter efficiency and to reduce the chip area. Commonly, the reduced efficiency of DC/DC converters was compensated for by adding TEG elements, thus enlarging the chip area. The proposed novel approach to designing an energy harvesting integrated voltage source was implemented to support ultra-low power systems for biomedical applications such as wearable wireless body sensors. The voltage source was simulated in a 0.18 ¿m standard CMOS process, supplying 1.8V±0.18V. The simulation results are presented.

Original languageEnglish
Title of host publication2014 IEEE Faible Tension Faible Consommation, FTFC 2014
PublisherIEEE Computer Society
ISBN (Print)9781479937738
DOIs
StatePublished - 1 Jan 2014
Externally publishedYes
Event2014 IEEE Faible Tension Faible Consommation, FTFC 2014 - Monaco, Monaco
Duration: 4 May 20146 May 2014

Publication series

Name2014 IEEE Faible Tension Faible Consommation, FTFC 2014

Conference

Conference2014 IEEE Faible Tension Faible Consommation, FTFC 2014
Country/TerritoryMonaco
CityMonaco
Period4/05/146/05/14

Keywords

  • ATA
  • STA
  • TEG
  • energy harvesting
  • on-chip TEG
  • voltage-source
  • wearable body sensing

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