IEEE Power Electronics Magazine - September 2020 - 33
whether a more elegant connection to capacitor banks
and current sensors or the wiring simplicity offered by dc
link and temperature monitoring through the gate driver.
A complete three-phase deployment concept of the ASDAK
system solution is illustrated in Figure 12.
Summary
If power electronics designers are to transition away from
silicon IGBTs to SiC MOSFETs, component suppliers must
exert more effort creating design solutions rather than
design challenges. Present-day SiC solutions-while technologically impressive-tend to emerge from partnerships
among corporate, academic, and government circles, which
prove cumbersome to implement due to a variety of technical and commercial hurdles. In this article, a total system
solution is shown that combines a top performing SiC MOSFET with an ultra-low inductance power package and a
sophisticated SiC gate driver. With the ASDAK, the company
744 V
600
450
10
400 A
Eoff = 8.67 mJ
300
150
-10
0
-150
1.20E-05 1.25E-05
0
1.30E-05
20 V
750
20
-20
1.35E-05 1.40E-05
VDS (V), IDS (A)
20 V
VGS (V)
VDS (V), IDS (A)
750
VSoff = 4 V, t = 650 ns
VDS = 600 V, IDS = 400 A, Rg,ext = 1.1 Ω
704 V
20
600
400 A
450
Eoff = 11.89 mJ
300
10
0
150
VGS (V)
VSoff = 1 V, t = 250 ns
VDS = 600 V, IDS = 400 A, Rg,ext = 1.1 Ω
-10
0
-150
1.17E-05 1.22E-05
(a)
1.27E-05
-20
1.32E-05 1.37E-05
(b)
VDS
IDS
VGS
FIG 8 Turn-off waveforms showing the impacts of augmented switching on switching performance of a SiC MOSFET module. (Left)
VDC = 600 V, IDS = 400 A, Rg = 1.1 X, Vovershoot = 144 V; (Right) VDC = 600 V, IDS = 400 A, Rg = 1.1 X, Vovershoot = 104 V. (Source: Microchip
Technology; used with permission.)
FIG 9 Gate driver parameters may be easily reconfigured with the Intelligent Configuration Tool (ICT). (Source: Microchip Technology; used with permission.)
September 2020
z IEEE POWER ELECTRONICS MAGAZINE
33
IEEE Power Electronics Magazine - September 2020
Table of Contents for the Digital Edition of IEEE Power Electronics Magazine - September 2020
Contents
IEEE Power Electronics Magazine - September 2020 - Cover1
IEEE Power Electronics Magazine - September 2020 - Cover2
IEEE Power Electronics Magazine - September 2020 - Contents
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