Datasheet rev 2.1
IRMD22141SS
DC+
VCC
R boot*
D boot
V B
C boot*
+
C boot**
VGH
15V
C VCC
V S
R boot**
VEH
phase
VSS
Clamping
structure with
zener diode
VGL
VEL
Figure 9: -V s clamp
The following table shows the names of these components on board.
U
V
W
DIODE
ZENER
D4
Z2
D10
Z5
D16
Z8
RC filter on com pin
An RC filter (R COM , C COM ) is provided to preserve the IC device from low side IGBT emitter undervoltage
spikes.
C Vcc
Vcc
Vss
ON
COM
R GOFF
C COM
GATE DRIVER
R COM
Figure 10: COM below ground protection
The following table shows the names of these components on board.
U
V
W
C COM
R COM
C6
R10
C12
R23
C18
R35
Sep 9 , 2004
www.irf.com
page 12/22
th
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