vla504 Powerex, Inc., vla504 Datasheet - Page 3

• Manufacturer Part Number: vla504
• Description: Hybrid Ic Igbt Gate Driver
• Manufacturer: Powerex, Inc.

Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697-1800 [phone]
VLA504-01
Hybrid IC IGBT Gate Driver
Application Circuit
Single Supply Operation
Rev. 04/07
CONTROL
CONTROL
FAULT
FAULT
B1
B1
+5V
+5V
14
14
V CC
V CC
V EE
+
+
+
Component Selection:
Design
V CC , V EE
R G
C1, C2
D1
C trip
B1
Notes:
(1) Power supply decoupling capacitors C1 and C2 should be connected as close as possible to the pins of the
(2) C trip should be connected as close as possible to the pins of the gate driver to avoid noise pick-up.
(3) All zener diodes 1W, all resistors 0.25W unless otherwise noted.
13
13
gate driver and must be sized to have appropriate ESR and ripple current capability for the IGBT being driven.
2.7k
8.2V
Description
+15V/-10V Typical, See data sheet for usable limits
Adjust for application requirements. See IGBT module application notes
for recommendations and power rating
10µF-100µF 25V low impedance electrolytic
Ultra fast recovery t rr <100ns, High voltage V rrm >V ces (IGBT)
0-200pF adjusts desaturation trip time (t trip )
CMOS Buffer 74HC04 or similar – Must actively pull high to maintain noise immunity
PS2501
PS2501
10
10
9
9
VLA504-01
VLA504-01
4.7k
4.7k
8
8
+
+
6
6
C1
C1
5
5
+
+
4
4
C2
C2
3
3
R G
R G
+
+
2
2
C trip
C trip
1
1
30V
18V
18V
30V
18V
18V
D1
D1
G
G
E
E
IGBT
MODULE
IGBT
MODULE
C
E
C
E