ECE 581: High Frequency Power Electronics
Course Schedule
Updated 11:07 December 06, 2023. Tentative lecture schedule, including links to lecture slides and notes, and links to assignments. The schedule is subject to change, please check frequently.
Aug. 21
L1 - Aug. 23
- Syllabus and Course Introduction
L2 - Aug. 25
- Course Introduction (continued)
Intro to switching loss
L3 - Aug. 28
- Course Introduction (continued)
Intro to soft switching and resonant conversion
L4 - Aug. 30
- Course Introduction (finish)
Practical limitations of soft switching
L5 - Sep. 1
- Hard switching loss analysis
Gate charge loss
Sep. 4
- Labor Day
L6 - Sep. 6
- Hard switching loss analysis
Overlap loss
L7 - Sep. 8
- Turn-off overlap loss
Overview of switching loss mechanisms
L8 - Sep. 11
- Coss loss
Analysis of nonlinear capacitances
L9 - Sep. 13
- Coss loss
Hard-switching nonlinear Coss analysis
L10 - Sep. 15
- Introduction to State Plane Analysis
Notes on State Plane Analysis from Prof. Erickson
L11 - Sep. 18
- DCM buck state plane example
L12 - Sep. 20
- DCM buck state plane example, M>0.5
Synchronous buck state plane
L13 - Sep. 22
- Synchronous buck complete state plane
Matlab code examples for sync buck
Audio was lost partway through the recording. As a replacement, see the Lecture recording from 2020
L14 - Sep. 25
- Flyback converter: leakage stress
Sep. 27
- No Lecture
L15 - Sep. 29
- Active clamp flyback analysis
L16 - Oct. 2
- Finish active clamp flyback analysis
Introduction to ac-link topologies
L17 - Oct. 4
- DAB converter state plane analysis
L18 - Oct. 6
- DAB converter Examples
Oct. 9
- Fall Break
L19 - Oct. 11
- The SRC converter
L20 - Oct. 13
- SRC converter examples and DAB comparison
Exam and project planning slides
SRC LTSpice simulation from lecture
MATLAB example SRC state plane solution script
L21 - Oct. 16
- Introduction to switched capacitor converters
L22 - Oct. 18
- Switched capacitor charging comparison
L23 - Oct. 20
- Hybrid and resonant 2:1 SC converters
SSL and FSL
L24 - Oct. 23
- Switched capacitor topologies
Charge vector analysis
L25 - Oct. 25
- Charge vector analysis: finding Ro
Dickson converter charge vector analysis
L26 - Oct. 27
- Hybrid and split-phase operation
Oct. 30
- ECCE (no class)
Nov. 1
- ECCE (no class)
L27 - Nov. 3
- Guest Lecture: 3 – 300 MHz Wide-Range Switched-Mode Power Conversion and Wireless Transmission
Xin Zan, University of Maryland
L28 - Nov. 6
- SC simulation comparison
Hybrid and split-phase operation
Capacitor component selection
L29 - Nov. 8
- Capacitor component selection
L30 - Nov. 10
- Tiny Box implementation discussion
Introduction to sinusoidal analysis
Nov. 13
- No Lecture: TBC Layout Time
Nov. 15
- No Lecture: TBC Layout Time
L31 - Nov. 17
- Sinusoidal analysis: equivalent circuits
L32 - Nov. 20
- Sinusoidal analysis: SRC Tank
See updated ordering instructions in TBC Competition Requirements as discussed at start of class
Nov. 22
- No Class Day
Nov. 24
- Thanksgiving Break
L33 - Nov. 27
- Sinusoidal analysis: comparison of tanks
L34 - Nov. 29
- The resonant switch
ZVS-QR switch cell
L35 - Dec. 1
- ZVS-QR switch cell solution
L36 - Dec. 4
- Multiresonant switch cell
Identification of the switch cell
Small-signal modeling of quasi-resonant converters
Note: the expressions above the table on slide 6 had a mistake in the sign of the asin() term for P1(x) that has been revised in the posted slides. It should be negative.
L37 - Dec. 6
- Finish Small-signal modeling of quasi-resonant converters
Intro to discrete time modeling
Course conclusions
Dec. 8
- Final Exam