Under-FET Thermal Sensor Enabling Smart Full-Chip Run-Time Thermal Management

This article reports design, fabrication and analysis of a novel under-transistor (under-FET) in-hole thermal sensor diode structure. Being able to accurately monitor self-heating of individual transistor in-operando, the under-FET temperature sensor enables smart full-chip run-time thermal manageme...

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Main Authors: Cheng Li, Qi Chen, Feilong Zhang, Mengfu Di, Zijin Pan, Fei Lu, Albert Wang
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Journal of the Electron Devices Society
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9187944/
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author Cheng Li
Qi Chen
Feilong Zhang
Mengfu Di
Zijin Pan
Fei Lu
Albert Wang
author_facet Cheng Li
Qi Chen
Feilong Zhang
Mengfu Di
Zijin Pan
Fei Lu
Albert Wang
author_sort Cheng Li
collection DOAJ
description This article reports design, fabrication and analysis of a novel under-transistor (under-FET) in-hole thermal sensor diode structure. Being able to accurately monitor self-heating of individual transistor in-operando, the under-FET temperature sensor enables smart full-chip run-time thermal management with spatial resolution down to single transistor level. The in-hole thermal sensors were fabricated in a CMOS process and validated in measurements. The new chip level thermal management technique was demonstrated using a prototype power amplifier (PA) IC designed in a foundry 40nm CMOS. It opens a door for self-learning based full-chip real-time intelligent thermal management for future ICs.
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spelling doaj.art-63ecbbc27e664ef08261d3efa734b8892022-12-21T20:47:39ZengIEEEIEEE Journal of the Electron Devices Society2168-67342020-01-0181242124810.1109/JEDS.2020.30227309187944Under-FET Thermal Sensor Enabling Smart Full-Chip Run-Time Thermal ManagementCheng Li0https://orcid.org/0000-0001-9300-7583Qi Chen1https://orcid.org/0000-0003-4820-6430Feilong Zhang2https://orcid.org/0000-0002-7014-9447Mengfu Di3https://orcid.org/0000-0001-7629-5827Zijin Pan4https://orcid.org/0000-0001-5837-2446Fei Lu5https://orcid.org/0000-0002-4928-2171Albert Wang6https://orcid.org/0000-0002-0581-5765Department of Electrical and Computer Engineering, University of California, Riverside, CA, USADepartment of Electrical and Computer Engineering, University of California, Riverside, CA, USADepartment of Electrical and Computer Engineering, University of California, Riverside, CA, USADepartment of Electrical and Computer Engineering, University of California, Riverside, CA, USADepartment of Electrical and Computer Engineering, University of California, Riverside, CA, USADepartment of Electrical and Computer Engineering, University of California, Riverside, CA, USADepartment of Electrical and Computer Engineering, University of California, Riverside, CA, USAThis article reports design, fabrication and analysis of a novel under-transistor (under-FET) in-hole thermal sensor diode structure. Being able to accurately monitor self-heating of individual transistor in-operando, the under-FET temperature sensor enables smart full-chip run-time thermal management with spatial resolution down to single transistor level. The in-hole thermal sensors were fabricated in a CMOS process and validated in measurements. The new chip level thermal management technique was demonstrated using a prototype power amplifier (PA) IC designed in a foundry 40nm CMOS. It opens a door for self-learning based full-chip real-time intelligent thermal management for future ICs.https://ieeexplore.ieee.org/document/9187944/Self-heatingthermal sensorin-hole diodethermal mappingthermal managementcontrol circuit
spellingShingle Cheng Li
Qi Chen
Feilong Zhang
Mengfu Di
Zijin Pan
Fei Lu
Albert Wang
Under-FET Thermal Sensor Enabling Smart Full-Chip Run-Time Thermal Management
IEEE Journal of the Electron Devices Society
Self-heating
thermal sensor
in-hole diode
thermal mapping
thermal management
control circuit
title Under-FET Thermal Sensor Enabling Smart Full-Chip Run-Time Thermal Management
title_full Under-FET Thermal Sensor Enabling Smart Full-Chip Run-Time Thermal Management
title_fullStr Under-FET Thermal Sensor Enabling Smart Full-Chip Run-Time Thermal Management
title_full_unstemmed Under-FET Thermal Sensor Enabling Smart Full-Chip Run-Time Thermal Management
title_short Under-FET Thermal Sensor Enabling Smart Full-Chip Run-Time Thermal Management
title_sort under fet thermal sensor enabling smart full chip run time thermal management
topic Self-heating
thermal sensor
in-hole diode
thermal mapping
thermal management
control circuit
url https://ieeexplore.ieee.org/document/9187944/
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