IEEE Power Electronics Magazine - June 2015 - 39

and automatic control, magnetic and
in 2014 [1]. In that talk, I presented my
electric machines, and semiconductor
personal take on what the emerging
Green energy system
devices and ICs. For instance, a simple
trends are. Since then, I have been
integration is one of
switching regulator embodies all three
asked by many to formally document
of these fields. To design a robust prodmy thoughts, which prompted me to
the most significant
uct, one needs to know how the circuit
write this article.
trends in PE system
topology works, how to design an effiTo set the stage for discussion, Figcient yet small power inductor, how to
ure 1(a) presents a classic definition of
applications.
build a small-signal model so a closedPE by the late Dr. William E. Newell.
loop system can be designed to ensure
PE fits a typical definition of high techtight regulation, and how to use the
nology, since it draws expertise from
latest PWM controllers and power devices to implement the
three broad technical fields of electrical engineering: circuits

Classical Definition
of PE
Through
a Venn Diagram
by Newell
in 1972

Helped Establish
the Identity
for PE
as Our Core
Competences

Magnetics and Power
M
ower
Semidevices

Electric
Circuits and
Machines

PE

Controls

(a)

PE
is now a
system of
technologies,
propelling it to
be a top-tier
technology
discriminator,
cutting through
many
"traditional
boundaries."

Power
Semidevices

Analog/
Digital
Circuits

ICs and
Monolithic
Passives

Converter
Circuits

Electric
Machines
PE
Systems
Linear and
Nonlinear
Controls

Antennas

RF Circuits

System
Engineering
and
Integration

Generation/
Storage
Devices

Sustainable
energy for
distributed
generation, for
instance, is
propelling
PE to
be a top-tier
technology
discriminator.

(b)
FIG 1 (a) An illustration of a classic definition for PE and (b) today's PE covers just about all the technical fields in electrical and
electronic engineering.

June 2015

z	IEEE PowEr ElEctronIcs MagazInE

39



Table of Contents for the Digital Edition of IEEE Power Electronics Magazine - June 2015

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