2020 Power devices

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Academic unit or major
Undergraduate major in Electrical and Electronic Engineering
Hatano Mutsuko 
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Course description and aims

This course focuses on the physics of power devices and issues for their applications. Power electronics are gaining more and more importance in a sustainable society. Low loss power devises are key to social infrastructure such as smart-grid, renewable energy, EV, and railway train. Topics include pin-diodes, thyristors, power MOS transistors, Insulated Gate Bipolar Transistor (IGBT), and wide-gap semiconductor power devices. This course provides the basics of physics, device structures, device characteristics of the power devices, and their applications. Students will have the chance to tackle exercises by applying knowledge acquired through this course.

Student learning outcomes

By the end of this course, students will be able to:
1) Express the physics and characteristics of semiconductor power devices
2) Explain the issues and key technologies for the power device applications and energy problem


Power devices, Smart, Power Converters, Smart grid, IGBT, Wide-gap semiconductors

Competencies that will be developed

Specialist skills Intercultural skills Communication skills Critical thinking skills Practical and/or problem-solving skills
・Applied specialist skills on EEE

Class flow

At the beginning of each class, solutions to exercise problems that were assigned during the previous class are reviewed. Towards the end of class, students are given exercise problems related to the lecture given that day to solve. To prepare for class, students should read the course schedule section and check what topics will be covered. Required learning should be completed outside of the classroom for preparation and review purposes.

Course schedule/Required learning

  Course schedule Required learning
Class 1 Issue of the CO2 reduction and role of the power devices Understand and solve the exercises of the issue of the CO2 reduction and role of the power devices
Class 2 Power devices: physics, device structures, characteristics Understand and solve the exercises of power devices: physics, device structures, characteristics
Class 3 pin Diodes Understand and solve the exercises of pin diodes
Class 4 Power MOS transistors Understand and solve the exercises of power MOS transistors
Class 5 Insulated Gate Bipolar Transistor (IGBT) Understand and solve the exercises of Insulated Gate Bipolar Transistor (IGBT)
Class 6 Wide-gap semiconductor power devices Understand and solve the exercises of wide-gap semiconductor power devices
Class 7 Application to power electronics, Exercise problems to assess the students' level of understanding on what has been taught so far, and explain how to solve the problem. Understand and solve the exercises of application to power electronics. Use the exercise problems to better understand the topics covered, and evaluate one’s own understanding.

Out-of-Class Study Time (Preparation and Review)

To enhance effective learning, students are encouraged to spend approximately 100 minutes preparing for class and another 100 minutes reviewing class content afterwards (including assignments) for each class.
They should do so by referring to textbooks and other course material.


None required.

Reference books, course materials, etc.

All materials used in class can be found on OCW-i.
Josef Lutz “Semiconductor Power Devices: Physics, Characteristics, Reliability“ Springer

Assessment criteria and methods

Students will be assessed on their understanding of the power devices (physics, device structure, characteristics, and applications). Students' course scores are based on final exams (70%) and exercise problems during each class (30%).

Related courses

  • EEE.D351 : Electron Devices I
  • EEE.D352 : Electron Devices II
  • EEE.D391 : Semiconductor Fabirication Process
  • EEE.D211 : Semiconductor Physics
  • EEE.P311 : Power Electronics

Prerequisites (i.e., required knowledge, skills, courses, etc.)

No prerequisites are necessary, but enrollment in the related courses (Electron devices) is desirable.

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