ECE 545 - Advanced Power-Electronics Design

Description: Credit 4. High-frequency-magnetics design and measurement, parasitics: modeling, estimation, and measurement, soft switching for DC-DC converters, distributed DC-DC converters, and design layout.

Prerequisite: Graduate Standing and ECE 445


1. High-frequency magnetics design and measurement
a. conventional inductors
b. zero-ripple inductors
c. multiple secondary transformers
d. integrated magnetics
e. saturable reactors
f. magamps
g. pulse transformers (vs optocouplers)
2. Parasitics: high-frequency modeling, estimation, and
a. power semiconductor devices: power diodes, MOSFETs, and
b. passives: capacitors and resistors and transformers and
c. traces
3. Soft switching for DC-DC converters
a. topologies and principles of operation (ZVS, ZCS, ZVZCS)
b. fundamental differences with hard switching
c. analysis and control
d. design
4. Distributed DC-DC converters
a. applications
b. parallel and cascaded topologies
c. principles of operation
d. stability analysis and control of distributed designs
e. design issues
5. Design layout
a. effects of high switching frequency on EMI at component and
board levels
b. EMI measurements
c. analysis and estimation of thermal effects on component and
board levels
d. multilayer designs: need, effects, and design procedure
e. component selections
f. board design and PCB layout

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