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MOSFET-Based and P-N Diode Based Temperature Sensor in a 4H-SiC CMOS Technology

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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Abstract

This paper presents p-n diode temperature sensors and MOSFET temperature sensors in low-voltage silicon carbide (SiC) CMOS technology. The reported temperature sensors directly make use of the existing doping layers in the CMOS process, thus enabling the monolithic integration of the SiC temperature transducer and the SiC readout electronics. The temperature sensor is characterized from 25 to 200°C. The diode-based temperature sensor has a maximum sensitivity of 3.27 mV/°C and a maximum R 2 of 99.81%. The MOSFET-based temperature sensor achieved a maximal sensitivity of 16.5 mV/°C, however, with less linearity (R 2 max = 99.11%). This technology shows a unique potential for implementing harsh environment smart temperature sensors.
Original languageEnglish
Title of host publicationProceedings of the 2023 22nd International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers)
Place of PublicationPiscaway
PublisherIEEE
Pages201-204
Number of pages4
ISBN (Electronic)978-4-88686-435-2
ISBN (Print)979-8-3503-3302-2
Publication statusPublished - 2023
EventTransducers 2023: 22nd International Conference on Solid-State Sensors, Actuators and Microsystems - Kyoto, Japan
Duration: 25 Jun 2023 → 29 Jun 2023

Conference

ConferenceTransducers 2023: 22nd International Conference on Solid-State Sensors, Actuators and Microsystems
Country/TerritoryJapan
CityKyoto
Period25/06/23 → 29/06/23

Bibliographical note

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

  • Silicon carbide
  • temperature sensing
  • CMOS
  • harsh environment

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