page.1

Tentative

IGBT Gate Drive Unit
VLA592-01RMar.2017

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page.2

Tentative
FEATURE>Possible to mount on the IGBT package (2 in 1 package)>Built in the isolated DC-DC converter for gate drive>Built in short circuit protection (with soft shut down)>Electrical isolation voltage is 2500Vrms (for 1 minute)>One way power supply system for drivers and input signal(VD=15V)OUTLINE DRAWING

Unit : mm

TARGETED IGBT MODULES
VCES = 650V series ~ 600A class
VCES = 1200V series ~ 450A class

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page.3

Tentative

BLOCK DIAGRAM
HIC3VD
Control
Circuit

Constant
Voltage
Circuit
8.2V

GND
HIC1780 Ω

Detect

INH

C1Latch
240 Ω

Amp
Timer
Shut Down
F.O.

FoH

G1

E1

HIC4

Control
Circuit

Constant
Voltage
Circuit
8.2V

INL

780 Ω

HIC2

Detect
Latch

240 Ω

FoL

Amp

Timer
Shut Down
F.O.

G2
E2

T1

T1

T2

T2

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page.4

MAXIMUM RATINGS
Symbol(unless otherwise noted, Ta=25C)

Parameter

Conditions

Ratings

Unit

VD

Supply voltage

DC

15.75

VVI

Input signal voltage

Applied between GND - INH,INL

19V

Gate peak current

Pulse width 2us-5

A5A

IOHP
IOLP
VisoIsolation voltage

Sine wave voltage 60Hz, for 1min

2500

Vrms

Topr

Operating temperature

No condensation allowable-20 ~ 70

deg CTstg

Storage temperature

No condensation allowable-25 ~ 85

deg CIFoFo pin output
sink current

-10mA

VFo

Fo pin voltage

Applied between GND – FoH,FoL

50

VIdrive

Gate drive current

Gate average current (Per one circuit)

83mA

ELECTRICAL CHARACTERISTICS( unless otherwise noted, Ta=25C, VD=15V )LimitsTyp15Max
15.75--20kHz--5mA--

Ω

2.1

2.4

V

1.2

1.5

V

14.5

16.0

17.5

V-9.0-8.0-7.0

V

VI = 15V

0.2

0.45

0.8

us

VI = 15V

0.2

0.4

0.7

us

1

1.4

2

ms

SymbolParameter

Conditions

VD

Supply voltage

Recommended range

fSwitching frequency

Recommended range

Fo output current
Gate resistance

Recommended range--

Input signal high threshold

-

1.8

VI_L
VOH

Input signal low threshold
Plus bias voltage-0.9-VOLMinus bias voltage-tPLH“L-H” propagation timetPHL

“H-L” propagation time

t_timer

Timer

Between start and clear (under input signal “OFF”)

IFo
RG
VI_H

Tentative

Min
14.25

Unit
V

td_Fo

Fault out delay time

IFo=2.5mA-

6.5

10us

VSC

SC detect collector voltage

IGBT collector voltage

15--V

http://www.idc-com.co.jp

page.5
INNER CIRCUIT

R1

D1

1C3

10113

C14

HIC1VD(15V)

RG15G1
E1261C2

R516151413

IC1R6R4R3

D21

DZ2

C610113C44

HIC2895

RG2G2E2261C5CN212Main parts list ( Reference )HIC1,2VLA520-01R
HIC3,4VLA106-15252
IC1UCC27524A
DZ1,230V, 500mW class
D1,2RP1H
CN13428-6002LCPL
CN2B2B-XH-A
R1,2,3,4390 ohm 1/4W
R5,610k ohm 1/10W
RG1,23W

ISAHAYAISAHAYATI
SanKen3M
JST

Tentative

C1

DZ189HIC4GND
INL
GND
NC
GND
NC
GND

R2HIC31234567891011121314151617181920CN1NC
GND
NC
GND
VD
GND
VD
GND
FoH
GND
INH
GND
FoL

16151413

T1
T2

PinN.o.
1234567891011121314151617181920

CN1
Pin name
NC
GND
NC
GND
VD
GND
VD
GND
FoH
GND
INH
GND
FoL
GND
INL
GND
NC
GND
NC
GND

CN2
Pin N.o.
Pin name
1T12
T2

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page.6

Tentative

APPLICATION EXAMPLE

IGBT Module

VLA592

RC filter
~10us

5V

MCU

89

VD
(15V)
C3

10113C14

D1C15

RG1

G1E1261C216151413

D21

DZ2891011

HIC4C63C44

HIC2Input signal (5V‐‐‐‐‐‐15V )1DZ1HIC34.7k

123456789101112131415161718192016151413
HIC1VD
(15V)

CN1NC
GND
NC
GND
VD
GND
VD
GND
FoH
GND
INH
GND
FoL
GND
INL
GND
NC
GND
NC
GND

5RG2G2E2

26

1
C5CN2T1
T2

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page.7

OPERATION FLOW ON DETECTING SHORT CIRCUIT
START

Tentative(1)In case the gate signal is “ON” and the collector voltage is high,
the gate driver will recognize the circuit as short circuitDETECTION OF
SHORT CIRCUIT

and immediately reduce the gate voltage.(Soft shut down)
Besides, put out an Fo sign which inform that protection

GATE SHUTDOWNTIMER STARTOUTPUT Focircuit is operating.
1 ~ 2ms(2)The protection circuit return to ordinary condition if input signal
is OFF when the predetermined time(1~2ms) passed.

END OF TIMER( OFF period is needed more than 40us.)
INPUT SIGNAL ISOFF

CLEAR Fo
ENABLE OUTPUTINSTALLATION OF THE PCB ON IGBT MODULE
Soldering C/G/E/T pinsNote) Temperature of soldering iron tip：360℃ (max) under 5 seconds

Screw to fix the PCB

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page.8

Keep safety first in your circuit designs!
·ISAHAYA Electronics Corporation puts the maximum effort into making semiconductor products better and more reliable, butthere is always the possibility that trouble may occur with them. Trouble with semiconductors may lead to personal injury, fire orproperty damage. Remember to give due consideration to safety when making your circuit designs, with appropriate measures
such as (1) placement of substitutive, auxiliary circuits, (2) use of non-farmable material or (3) prevention against any
malfunction or mishap.
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