Information Technology and Electrical Engineering29° Cycle

Study of Power Devices in Electrical-Over-Stress (EOS) conditions

University of Naples Federico IIDepartment of Electrical Engineering and Information Technologies

Paolo MironeTutor: Prof. Andrea Irace

Background

Paolo Mirone received B.S. (2010) and M.S. (2013) degrees in Electronic Engineering from the University

of Naples "Federico II". He is currently PhD Student with the Department of Electrical Engineering and Information technologies

(DIETI) at University of Naples "Federico II". His research interests include modeling, simulation

and experimental characterization of semiconductor power devices.

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First Year Research TopicsStudy of the main power devices

Power Device Robustness • Electrical-Over-Stress (avalanche, short-curcuit)

Design optimization of Active Cell and Termination Region• Study and analysis of different structures and designs

Study and design analysis of a new device• Reverse Conducting-IGBT (RC-IGBT)

Power Diode IGBT

SiliconSiC

PTNPTFSSoft-FS

Power MOS

PlanarTrench

Research Activity: IdeaPower switching • IGBT• Freewheeling Diode (FWD)

New device: RC-IGBT• IGBT and FWD integrated in a monolithic block

• Advantages• Reduced area and costs • Thermal improvements

Objective• Study and analysis of commercial designs• Propose new design solutions to improve the field of

applications Paolo Mirone 3

IGBT FWD

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Research Activity: MethodologyStudy of physical mechanisms in conduction and turn-off of Power devices and analysis through TCAD Simulations

Study of Electrical-Over-Stress (EOS) conditions (avalanche phenomena):• In Termination• Analysis and comparison

of different designs

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Research Activity: Developments RC-IGBT• Study of the main design solutions present in

Literature and Patents• Design realization for TCAD simulationsSecond Year Objectives:• To find a partner in order to produce a “real” device• TCAD calibration modeling through the device

characterization • Device thermal analysis in stress condition through

Thermography

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Published works

Followed Courses/Seminars

Mirone P., Maresca L.,Riccio M., De Falco G., Romano G., Irace A., Breglio G., “An Area-effective Termination Technique for PT-Trench IGBTs”, International Conference on Microelectronics 29th, 2014;

Accepted but not yet published works Mirone P., Maresca L.,Riccio M., De Falco G., Romano G., Irace A., Breglio G., “A comprehensive study of

current conduction during breakdown of Floating Field Ring terminations at arbitrary current levels”, IEEE International Conference PCIM, 2015;

Didactic Activity

Course Title Given by Credits

Meccanica Quantistica Prof. Miano G. 3

Europrogettazione Dr. Varchetta 3

Conferences

Title of work Conference Date

An area-effective termination for PT-Trench IGBTs

IEEE, MIEL ‘14 12-15 May 2014

SeminarsSeminar Title Organized by

Quantum Teleportation G. Miano

Novel tendencies in power devices and circuits (3 seminari) Castellazzi A.

High dimensional pattern recognition Sansone C.

Fractional programming for energy efficiency in wireless networks De Maio A.

Nano-carbon based components and materials for high frequency electronics (4 seminari) Miano G.

Circuiti quantistici Miano G.

Towards agile flight of vision-controlled micro flying robots:from frame-based to event-based vision Siciliano B.

Site reliability engineering at google Tramonatana P.

Reliability and availability modeling in practice Cotroneo D.

Capacity planning for infrastructure as a service cloud Cotroneo D.

Efficient service distribution in next generation cloud networks Antonia Tulino

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Second Year Attendance

The following exams are in preparation: Integrated Photonics, Prof. G. Breglio, 9 Credits Circuiti Attivi a Microonde e Radiofrequenza,

Prof. E.D’alessandro, 9 Credits

The following course in frequented:• English Course, Prof. T. Geraint, 6 Credits

Summary 1st YearActivity CreditsModules 6

Seminars 5

Research 35

One of the second year objective is the publication for IEEE Transaction on:• EOS analysis on the interaction zone between Active cell and Termination

with particular focusing on Electrothermal instability problem like filamentation.