IEEE Power Electronics Magazine - March 2018 - 22

wide-Bandgap
Power Devices
Adoption gathers momentum
by Ashok Bindra

©istockphoto.com/chaofann

A

s power electronics continues to extend into
renewable energy markets, smart grids, smart
homes, transportation electrification, electric
and hybrid electric vehicles (EV/HEVs), and
other emerging industrial and medical appli-
cations, more designers are attracted to the wide-bandgap
(WBG) power devices, e.g., silicon carbide (SiC) and gallium
nitride (GaN). In the past few years, engineers have spent time
understanding the virtues of these emerging power devices
and their drawbacks, e.g., reliability, cost, and availability.
Today, many analysts believe that engineers are transitioning
from education mode to implementation mode. According to
research firm Yole Développement's technology and market
analyst Hong Lin, "We are gradually going from the customer
awareness and education stage to the customer trial and
adoption stage. And this is especially true for SiC transistors."
Digital Object Identifier 10.1109/MPEL.2017.2782404
Date of publication: 23 February 2018

22

IEEE PowEr ElEctronIcs MagazInE

z	March 2018

Falling prices and increasing commercial availability
of these devices from multiple sources are factors further
accelerating the adoption of SiC and GaN power devices in
new applications, as well as existing ones like chargers for
consumer devices, such as smartphones, laptops, and TVs.
Findings from IHS Markit Technology [1] suggest that the
global demand for SiC and GaN power semiconductors will
exceed the US$1 billion mark in the next five years, grow-
ing to approximately US$1.32 billion by 2022. IHS principal
analyst for power semiconductors, Richard Eden, is pro-
jecting double-digit annual growth for WBG power devices
in the next five to ten years. The primary catalysts for this
expected growth includes dc-dc converters for EV pow-
ertrain and onboard chargers for HEVs and EVs. By com-
parison to silicon, this is only a drop in the bucket. Per Yole's
report, the total estimated power semiconductor market in
2017 was approximately US$30 billion, dominated by sili-
con. It is expected to grow to US$35 billion in 2022.
2329-9207/18©2018IEEE


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Table of Contents for the Digital Edition of IEEE Power Electronics Magazine - March 2018

Contents
IEEE Power Electronics Magazine - March 2018 - Cover1
IEEE Power Electronics Magazine - March 2018 - Cover2
IEEE Power Electronics Magazine - March 2018 - Contents
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