A 32 μm<sup>2</sup> MOS-Based Remote Sensing Temperature Sensor with 1.29 °C Inaccuracy for Thermal Management

This paper introduces a compact NMOS-based temperature sensor designed for precise thermal management in high-performance integrated circuits. Fabricated using the TSMC 180 nm process with a 1.8 V supply, this sensor employs a single diode-connected NMOS transistor, achieving a significant size redu...

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Main Authors: Ruohan Yang, Kwabena Oppong Banahene, Bryce Gadogbe, Randall Geiger, Degang Chen
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Computers
Subjects:
Online Access:https://www.mdpi.com/2073-431X/14/1/26
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author Ruohan Yang
Kwabena Oppong Banahene
Bryce Gadogbe
Randall Geiger
Degang Chen
author_facet Ruohan Yang
Kwabena Oppong Banahene
Bryce Gadogbe
Randall Geiger
Degang Chen
author_sort Ruohan Yang
collection DOAJ
description This paper introduces a compact NMOS-based temperature sensor designed for precise thermal management in high-performance integrated circuits. Fabricated using the TSMC 180 nm process with a 1.8 V supply, this sensor employs a single diode-connected NMOS transistor, achieving a significant size reduction and improved voltage headroom. The sensor’s area is 32 µm<sup>2</sup> per unit, enabling dense integration around thermal hotspots. A novel voltage calibration method ensures accurate temperature extraction. The measurement results demonstrate three-sigma errors within ±0.1 °C in the critical range of 75 °C to 95 °C and +1.29/−1.08 °C outside this range, confirming the sensor’s high accuracy and suitability for advanced thermal management applications.
format Article
id doaj-art-45c1272228a3417786ff2a0cfc5e7d43
institution Kabale University
issn 2073-431X
language English
publishDate 2025-01-01
publisher MDPI AG
record_format Article
series Computers
spelling doaj-art-45c1272228a3417786ff2a0cfc5e7d432025-01-24T13:27:55ZengMDPI AGComputers2073-431X2025-01-011412610.3390/computers14010026A 32 μm<sup>2</sup> MOS-Based Remote Sensing Temperature Sensor with 1.29 °C Inaccuracy for Thermal ManagementRuohan Yang0Kwabena Oppong Banahene1Bryce Gadogbe2Randall Geiger3Degang Chen4Department of Electrical and Computer Engineering, Iowa State University, Ames, IA 50011, USADepartment of Electrical and Computer Engineering, Iowa State University, Ames, IA 50011, USADepartment of Electrical and Computer Engineering, Iowa State University, Ames, IA 50011, USADepartment of Electrical and Computer Engineering, Iowa State University, Ames, IA 50011, USADepartment of Electrical and Computer Engineering, Iowa State University, Ames, IA 50011, USAThis paper introduces a compact NMOS-based temperature sensor designed for precise thermal management in high-performance integrated circuits. Fabricated using the TSMC 180 nm process with a 1.8 V supply, this sensor employs a single diode-connected NMOS transistor, achieving a significant size reduction and improved voltage headroom. The sensor’s area is 32 µm<sup>2</sup> per unit, enabling dense integration around thermal hotspots. A novel voltage calibration method ensures accurate temperature extraction. The measurement results demonstrate three-sigma errors within ±0.1 °C in the critical range of 75 °C to 95 °C and +1.29/−1.08 °C outside this range, confirming the sensor’s high accuracy and suitability for advanced thermal management applications.https://www.mdpi.com/2073-431X/14/1/26complementary metal oxide semiconductor (CMOS) temperature sensorsmart sensorthermal managementtemperature calibrationremote sensing
spellingShingle Ruohan Yang
Kwabena Oppong Banahene
Bryce Gadogbe
Randall Geiger
Degang Chen
A 32 μm<sup>2</sup> MOS-Based Remote Sensing Temperature Sensor with 1.29 °C Inaccuracy for Thermal Management
Computers
complementary metal oxide semiconductor (CMOS) temperature sensor
smart sensor
thermal management
temperature calibration
remote sensing
title A 32 μm<sup>2</sup> MOS-Based Remote Sensing Temperature Sensor with 1.29 °C Inaccuracy for Thermal Management
title_full A 32 μm<sup>2</sup> MOS-Based Remote Sensing Temperature Sensor with 1.29 °C Inaccuracy for Thermal Management
title_fullStr A 32 μm<sup>2</sup> MOS-Based Remote Sensing Temperature Sensor with 1.29 °C Inaccuracy for Thermal Management
title_full_unstemmed A 32 μm<sup>2</sup> MOS-Based Remote Sensing Temperature Sensor with 1.29 °C Inaccuracy for Thermal Management
title_short A 32 μm<sup>2</sup> MOS-Based Remote Sensing Temperature Sensor with 1.29 °C Inaccuracy for Thermal Management
title_sort 32 μm sup 2 sup mos based remote sensing temperature sensor with 1 29 °c inaccuracy for thermal management
topic complementary metal oxide semiconductor (CMOS) temperature sensor
smart sensor
thermal management
temperature calibration
remote sensing
url https://www.mdpi.com/2073-431X/14/1/26
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