
Module Leader
Lecturer
Prof F Udrea
Timing and Structure
Michaelmas term. 14 lectures + 2 examples classes. Assessment: 100% exam.
Prerequisites
3B3 & 3B5 useful
Aims
The aims of the course are to:
- provide an introduction to the world of modern power semiconductor devices, and their applications in the electronics Industry.
- cover material specific to power semiconductor devices not covered in other modules in semiconductors.
Objectives
As specific objectives, by the end of the course students should be able to:
- understand how the design of power semiconductor devices takes account of high voltage and currents
- explain the practical operating conditions pertaining to power semiconductor devices
- analyse power circuit segments
- know the features of the main types of power electronic devices
- understand the semiconductor technologies in power devices
Content
Introduction
Introduction to power electronics and power devices. Basics of power electronics, power devices and applications. P-N junction theory.
Power Diodes
High voltage pn junction theory. Breakdown theory. None punch-through (NPT) and punch-through (PT) high voltage junction. On-state - high level injection. Lifetime. Turn-off reverse recovery
Field Control
Curvature effects in high voltage junctions, Edge effects, Field plates, Terminations in power devices.
Power Bipolar Devices
Bipolar Juction transistor (BJT).
Thyristors
The thyristor (concept & technology). The GTO thyristor, Switching aids for transistors and thyristors.
Power MOS Devices
The power MOSFE: Concept, modes of operation. trade-offs.
Power MOSFET Modelling
The power MOSFET modelling, technologies and advanced devices.
Insulted Gate Bipolar Transistors
The Insulted Gate Bipolar Transistor (IGBT): modes of operation. trade-offs.
IGBTs II
The IGBTs, modelling, technologies and advanced concepts.
Power Integrated Circuits (PICs)
Power Intergated Circuits (PICS) and High Voltage Integrated Circuits (HVICs): introduction, lateral devices for PICs and HVICs, concepts, modes of operation.
Coursework
Optional - Finite element design and analysis of novel high voltage devices in the HVM Lab led by Dr F Udrea
Booklists
Please refer to the Booklist for Part IIB Courses for references to this module, this can be found on the associated Moodle course.
Examination Guidelines
Please refer to Form & conduct of the examinations.
UK-SPEC
This syllabus contributes to the following areas of the UK-SPEC standard:
Toggle display of UK-SPEC areas.
Last modified: 01/09/2020 10:25