A Device (TCAD) to Circuit (SPICE) Framework for BTI and HCD Aging
Abstract- This talk will begin with the basics of Bias Temperature Instability (BTI) and Hot Carrier Degradation (HCD) induced performance degradation in CMOS devices and circuits. A comprehensive reliability model will be introduced, which has been implemented in TCAD and also as a standalone code in SPICE. Various examples of modeling of measured data from GAA FETs will be shown. Finally, the activity (mission profile) and Dynamic Voltage Frequency Scaling (DVFS) analysis in circuits will be discussed.
Bio- Souvik Mahapatra is a professor of Engineering at IIT Bombay. His research area is reliability of CMOS and Flash memory devices and CMOS circuits. He works closely with several semiconductor industries in the fab, fabless, fabtool and EDA space. He is a fellow of IEEE, INSA, INAE and IASc.
Speaker Name: Prof. Souvik Mahapatra, EE Dept, IIT Bombay
Date and Time: 24, February 2025 5:00 PM -6:30 PM
Venue: DA 229, ACES building
Mr. Milind Dighrasker, Senior Director, ON Semiconductor, will deliver a talk on "Overview of Design Challenges for SiC-based Traction Inverters" as a part of the "K R Sharma and Dr. M. Ramamoorty Distinguished Lecture Series"
Title: Overview of Design Challenges for SiC-based Traction Inverters Abstract: The adoption of SiC in traction inverters is increasing due to its advantages of higher efficiency, higher power density, and improved packaging/thermal performance. SiC outperforms the IGBT in traction inverters and provides an extended driving range for electric vehicles. However, many challenges need to be addressed/considered during the inverter design while using SiC for the traction inverter. Additionally, the choice of the gate driver and its features impact the traction inverter performance, reliability, functionality, and safety aspects.
The talk will provide an overview of key design aspects of traction inverters that need to be considered while using SiC. Also, it provides a detailed insight into the gate driver for traction inverter, its features, challenges, and advancement in this area.
Biography: Milind has more than 20 years of experience in Power electronics system design & development. In his career he has worked on various power applications including Lighting, UPS, Solar inverters, Power supplies, USB Chargers, Onboard EV chargers, Motor controllers, and Traction inverters are few of them. He also has entrepreneurial experience running a company, Enstin Labs, in the area of power conversion system development.
He has 15 US patents & 2 IEEE publications to his credit. Milind holds a master's degree in Power & Control from IIT Kanpur. He is currently working as Sr. Director of Applications in ON Semiconductor Bangalore. His current areas of interest are bi-directional DC-DC converters, Resonant converters & Traction inverters.
Date and Time: Friday, January 31, 5:00 - 6:30 PM
Venue: LH10