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PDF VLA574-01R Data sheet ( Hoja de datos )

Número de pieza VLA574-01R
Descripción Hybrid IC for driving IGBT modules
Fabricantes Isahaya Electronics 
Logotipo Isahaya Electronics Logotipo



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DESCRIPTION
VLA574 is a hybrid integrated circuit designed for driving
n-channel IGBT modules in any gate-amplifier application.
This device operates as an isolation amplifier for these modules
and provides the required electrical isolation between
the input and output with an opto-coupler.
Target IGBT modules:
VCES = 600V series up to 600A class
VCES = 1200V series up to 1400A class
VCES = 1700V series up to 1400A class
FEATURES
>Output peak current is +/-15A(max)
>SIP structure allows more space on mother board
>Built in short circuit protection
>Electrical isolation voltage is 4000Vrms (for 1 minute)
>Built in gate shut down speed control circuit
(When short circuit protection work.)
APPLICATIONS
To drive IGBT modules for inverter or AC servo systems application
BLOCK DIAGRAM
HYBRID IC
VLA574-01R
Hybrid IC for driving IGBT modules
OUTLINE DRAWING
Dimensions : mm
Type number
Lot No.
Pin No.1
51.0 Max
VLA574-01R
XXXX
Mark
surface
Pin No.
2.54
5.5 Max
14
0.75±0.1
12.5 Max
1
5.5 Max
+0.20
0.5 -0.10
3.5 Max
8.5 Max
VI+ 14
TIMER &
RESET
LATCH
DETECT
4 VCC
1 DETECT
2 Ctrip
1
INTERFACE
5 VO
240Ω
VI- 13
PC
GATE SHUT DOWN
UVL 3 E
8 FO
7 CS
6 VEE
1

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VLA574-01R pdf
APPLICATION CIRCUIT EXAMPLE
PC1
4.7
4.7
8
VIN : 5V
Gate signal
HC04 etc.
14
13
VLA574-01R
1
RG1
5
4 + C1
3
+
C2
6
Ctrip1
2
7
DZ1
Cs1
HYBRID IC
VLA574-01R
Hybrid IC for driving IGBT modules
D1
VCC DZ2,3
VEE
P
IGBT
module
PRECAUTION
(1) Voltage compensate capacitors are expected to be located as close as
possible from the hybrid IC.
(2) D1 requires approximately the same voltage of power modules.
(3) If reverse recovery time of D1 is long, pin1 is applied high voltage.
In that case, counterplan for protection which insert zener diode between
pin 6 and 1 is necessary like above diagram.
(4) In case pin 2 are operating, the Ctrip is expected to be wired as close as
possible from pin. (Less than 5cm coming and going)
In case of not operating, please pin 2 are open.
(5) Minimize the area of closed circuit of gate circuit and input gate signal circuit
so as not to be affected by induction noise.
(6) When the built in short-circuit protection circuit need not be used,
please connect resistance of 4.7k ohm between pin 1 and 3.
At that time, D1 and Dz1 are not require, and pin 8 are not necessary to be connected.
VCC = 16V
VEE = -8V
VIN= 5V +/-5%
C1,2=1000μF 35V(Low impedance)
Ctrip : Depended on RG1
(Aim : 0 ~ 150pF, 50V, Ceramic)
CS: Depend on serge voltage
DZ1 : 30V, 0.5~1W
DZ2,3 : 18V, over than 0.5W
D1,2 : First recovery diode( trr : 0.2μs max )
RP1H(Sanken) etc.
PC1 : TLP785(TOSHIBA) etc.
5

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