Design and calibration method for precise temperature sensor

• Autorzy: Stepniewski Kamil , Dec Bartosz , Łuczyk Arkadiusz , Jasiński Jakub , Siwiec Krzysztof

Identyfikatory

DOI

10.24425/ijet.2025.156675

• Języki publikacji: EN

Abstrakty

EN

This paper presents the design of the temperature sensor and analysis of different calibration methods. The main aspect of the analysis was optimization of the number and location of the measurement points needed to perform the calibration for a given accuracy. For this purpose, temperature sensors using proportional to the absolute temperature (PTAT) current and current controlled oscillator (CCO) have been designed in 180 nm technology. To reduce the sensitivity of the sensor to the supply voltage, the low dropout regulator (LDO) has been used. The bandgap circuit generates the stable reference voltage for the LDO and PTAT current for the CCO

Słowa kluczowe

EN

temperature Sensor; bandgap reference voltage; voltage regulator; current controlled oscillator; polynomial calibration

• Wydawca: Polish Academy of Sciences, Committee of Electronics and Telecommunication
• Czasopismo: International Journal of Electronics and Telecommunications
• Rocznik: 2025
• Tom: Vol. 71, No. 4
• Strony: 22
• Opis fizyczny: Bibliogr. 5 poz., fot., rys., tab.

Twórcy

autor

Stepniewski Kamil

• Warsaw University of Technology, Warsaw, Poland

autor

Dec Bartosz

• Warsaw University of Technology, Warsaw, Poland

autor

Łuczyk Arkadiusz

• Warsaw University of Technology, Warsaw, Poland

autor

Jasiński Jakub

• Warsaw University of Technology, Warsaw, Poland

autor

Siwiec Krzysztof

• Warsaw University of Technology, Warsaw, Poland

Bibliografia

• [1] R. J. Baker, CMOS circuit design, layout, and simulation. Hoboken, New Jersey: John Wiley, 2019.
• [2] T. Anand, K. A. A. Makinwa, and P. K. Hanumolu, “A vco based highly digital temperature sensor with 0.034 °c/mv supply sensitivity,” in IEEE J. Solid-State Circuits, vol. 51, no. 11, 2016, p. 2651-2663.
• [3] S. Jeong, Z. Foo, Y. Lee, J. Y. Sim, D. Blaauw, and D. Sylvester, “A fully-integrated 71 nw cmos temperature sensor for low power wireless sensor nodes,” in IEEE J. Solid-State Circuits, vol. 49, no. 8, 2014, pp. 1682-1693.
• [4] H. Park and J. Kim, “A 0.8-v resistor-based temperature sensor in 65-nm cmos with supply sensitivity of 0.28 °c/v,” in IEEE J. Solid-State Circuits, vol. 53, no. 3, 2018, p. 906-912.
• [5] X. Wang, P.-H. P. Wang, Y. Cao, and P. P. Mercier, “A vco based highly digital temperature sensor with 0.034 °c/mv supply sensitivity,” in IEEE Trans. Circuits Syst. I, vol. 64, no. 9, 2017, p. 2274-2283.

Uwagi

This work was supported in part by the Polish National Center for Research and Development under project No. CYBERSECIDENT/369203/I/NCBR/2017.