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POW
IR
TRAIN
TM
Power Module for 1 hp Motor Drives
PRELIMINARY
1 hp (0.75kW) power output
Industrial rating at 150% overload for 1 minute
180 - 240V AC input, 50/60Hz
3-phase rectifier bridge
3-phase ultrafast IGBT inverter
HEXFRED ultrafast soft recovery freewheeling diodes
Low inductance (current sense)
shunts in positive and negative DC rail
NTC temperature sensor
Pin-to-base plate isolation 2500V rms
Easy-to-mount two-screw package
Case temperature range -25C to 125C operational
IRPT1053A
Power Module
180-240V
3-phase input
PWM
generator
keyboard
External Control Functions
IRPT1053A
PWM
variable
frequency
output
POW
IR
TRAIN
feedback
(non-isolated)
feedback
processing
Figure 1.
IRPT1053A Power Module
PD 6.092
Revised 3/97
AC
motor
Figure 2.
The IRPT1053C
POW
IR
TRAIN
within a motor control system
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page 1
IRPT1053D
Driver-Plus Board
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IRPT1053A
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The IRPT1053A Power Module
The IRPT1053A Power Module, shown in figure 1, is a chip
and wire epoxy encapsulated module. It houses input rectifiers
output inverter, current sense shunts and NTC thermistor. The 3-
phase input bridge rectifiers are rated at 800V. The inverter
section employs 600V, short circuit rated, ultrafast IGBTs and
ultrafast freewheeling diodes.
Current sensing is achieved
through 45m
low inductance shunts provided in the positive
and negative DC bus rail.
The NTC thermistor provides tempera-
ture sensing capability. The lead spacing on the power module
meets UL840 pollution level 3 requirements.
The power circuit and layout within the module are carefully
designed to minimize inductance in the power path, to reduce
noise during inverter operation and to improve the inverter effi-
ciency. The Driver-Plus Board required to run the inverter can be
soldered to the power module pins, thus minimizing assembly and
alignment. The power module is designed to be mounted to a heat
sink with two screw mount positions, in order to insure good
thermal contact between the module substrate and the heat sink.
PowIRtrain and Design Kit
The IRPT1053A
PowIRtrain
(Figure 3) provides the complete
power conversion function for a 1hp (0.75kW) variable voltage,
variable frequency AC motor controller. The
PowIRtrain
com-
bines the Power Module (IRPT1053A) with a Driver-Plus Board
(IRPT1053D). The
PowIRtrain
Design Kit, IRPT1053E in-
cludes the following:
Complete
PowIRtrain
integrated power stage
Specification and operating instructions
Bill of materials
Electrical schematic
Mechanical layout for Driver-Plus Board
Software transferrable files for easy design integration
Application information and layout considerations
Figure 3.
IRPT1053C
PowIRtrain
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IRPT1053A
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Specifications
PARAMETERS
VALUES
CONDITIONS
Input Power
Voltage
220V, -15%, +10%, 3-phase
Frequency
50 - 60Hz
Current
6.2 Arms @ nominal output
T
A
= 40C, R
thSA
= 1.07C/W
I
FSM
175 A
10ms half-cycle, non-repetitive surge
Output Power
Voltage
0 - 230V rms
defined by external PWM control
Nominal motor hp (kW)
1hp (0.75kW) nominal full load power
V
in
= 220V, f
pwm
= 4kHz, f
o
= 60Hz
150% overload for 1 minute
T
A
= 40C, R
thSA
= 1.07C/W
Nominal motor current
4.4A nominal full load current
6.6A 150% overload for 1 minute
DC Link
DC link voltage
425V maximum
Sensor
Temp. sense resistance
50kOhms 5%
@ T
NTC
= 25C
3.1kOhms 10%
@ T
NTC
= 100C
Current sense
45mOhms 5%
@ T
SHUNT
= 25C
Protection
IGBT short circuit time
10s
DC bus = 425V, V
GE
= 15V, line to line short
Recommended short circuit-
shutdown current
30A peak
Gate Drive
Q
G
39 nC (typical)
V
GE
= 15V refer Figure 5b
Recommended gate driver
IR2132J (see figure 10)
refer design kit IRPT1053E
Module
Isolation voltage
2500V rms
pin to base plate, 60Hz, 1 minute
Operating case temperature
-25C to 125C
95%RH max. (non-condensing)
Mounting torque
1 Nm
M4 screw type
Storage temp. range
-40C to 125C
Soldering temperature for 10 sec. 260C maximum
at the pins (.06" from case)
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IRPT1053A
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0.6
0.8
1
1.2
1.4
1.6
1.8
1
4
8
12
16
20
24
0
10
20
30
40
50
60
70
80
0.75hp
(0.55kW)
Power
150%
Power
100%
R
thSA
150% load (1 min)
down to 3 Hz
R
thSA
150% load (1 min)
10-60 Hz
R
thSA
100% load continuous
10-60 Hz
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1
4
8
12
16
20
24
0
10
20
30
40
50
60
70
80
90
100
Total Power Dissipation (Watts)
1.0hp
(0.75kW)
Thermal Resistance (R
thSA
C/
W)
R
thSA
100% load continuous
10-60 Hz
R
thSA
150% load (1 min)
10-60 Hz
R
thSA
150% load (1 min)
down to 3 Hz
Power
100%
Power
150%
PWM Frequency (kHz) - (Induction Motor Load)
NOTE: For figures 4a and 4b Operating Conditions: Vin = 230 Vrms, MI = 1.15, P.F. = 0.8, TA = 40C. Z
thSA
limits
T
c
rise during 1 minute overload to 10C.
Figure 4a.
1hp/4.4A output Heat sink Thermal Resistance and Power Dissipation vs. PWM Frequency
Figure 4b. 0.75hp/3.5A output Heat sink Thermal Resistance and Power Dissipation vs. PWM Frequency
PWM Frequency (kHz) - (Induction Motor Load)
Thermal Resistance (R
thSA
C/
W)
Total Power Dissipation (Watts)
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1
1 0
1 0 0
5
1 0
1 5
2 0
C
I
,
C
o
l
l
e
c
to
r
-
to
-
E
m
i
tte
r
C
u
r
r
e
n
t
(
A
)
G E
T = 2 5 C
T = 1 5 0 C
J
J
V = 1 0 0 V
5 s P U L S E W ID T H
C C
V , G a te -to -E m itte r V o lta g e (V )
A
0
2 0 0
4 0 0
6 0 0
8 0 0
1 0 0 0
1 2 0 0
1 4 0 0
1
1 0
1 0 0
C E
C
,
C
a
p
a
c
i
t
anc
e
(
p
F
)
V , C o lle c to r-to -E m itte r V o lta g e (V )
A
V = 0 V , f = 1 M H z
C = C + C , C S H O R TE D
C = C
C = C + C
G E
ie s g e g c c e
re s g c
o e s c e g c
C
ie s
C
re s
C
o e s
0
4
8
1 2
1 6
2 0
0
1 0
2 0
3 0
4 0
GE
V
, G
a
te
-
t
o
-
E
m
i
t
te
r
V
o
l
t
a
g
e
(
V
)
g
Q , T o ta l G a te C h a rg e (n C )
A
V = 4 0 0 V
I = 1 4 A
C E
C
Figure 5b - Typical Gate Charge vs.
Gate-to-Emitter Voltage
Figure 5a - Typical Capacitance vs.
Collector-to-Emitter Voltage
Figure 5c - Typical Transfer Characteristics
0
10,000
20,000
30,000
40,000
50,000
25
31
37
43
49
55
61
67
73
79
85
91
97
103
109
Temperature (deg.C)
R
e
si
st
a
n
c
e
(
o
h
m
s)
Figure 6 - Normal R-T Characteristics of the
NTC Thermistor
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