PWR-82330
SMART POWER 3-PHASE MOTOR DRIVE
DESCRIPTION
The PWR-82330 is a smart Power 3-
phase Motor Drive Hybrid. The PWR-
82330 uses a MOSFET output stage
with a 100 Vdc rating, and can deliver
5 A continuous, 10 A peak current to
the load.
This new Smart Power Motor Drive has
CMOS Schmitt trigger inputs for high
noise immunity. High and low-side
input logic signals are XOR鈥檇 in each
phase to prevent simultaneous turn on
of in-line transistors, thus eliminating a
shoot through condition.
The internal logic controls the high and
low-side gate drivers for each phase
and can operate from +5 to +15 V logic
levels. The internal charge pump cir-
cuitry provides the required voltage to
high-side gate drives. This provides
constant output performance for
switching frequencies from dc to 50
kHz.
APPLICATIONS
Packaged in a small case, these
hybrids are an excellent choice for high
performance, high-reliability motor dri-
ves for Military and Aerospace servo-
amps and speed controls.
Among the many applications are
robotics; electro-mechanical valve
assemblies; actuator systems; antenna
and radar positioning; fan and blower
motors for environmental conditioning;
position control of mini-subs, drones,
and RPV鈥檚; and compressor motors for
cryogenic coolers.
The PWR-82330 hybrid is ideal for
harsh military environments where
shock, vibration, and temperature
extremes are evident, such as missile
applications including fin actuators and
I.R. seeker head movement. The PWR-
82330 operates over the -55掳C to
+125掳C temperature range and is avail-
able with military processing.
FEATURES
鈥?/div>
Small size (2.6" x 1.4" x 0.25")
鈥?/div>
100 Vdc Rating
鈥?/div>
5 A Continuous, 10 A peak
Capability
鈥?/div>
High-Efficiency MOSFET Drive
Stage
鈥?/div>
Direct Drive from Commutation
Logic
鈥?/div>
Six Step Trapezoidal or
Sinusoidal Drive
鈥?/div>
Four Quadrant Operation
鈥?/div>
Military Processing Available
+CAP
48
50
4
GND
-CAP
V+
CHARGE PUMP
V
CC A
V
O A
DRIVE
A
V
SS A
46
5,18,19
6
8
10
V
LPI
V
UA
V
LA
43,44,45
40,41,42
39
14
16
V
UB
V
LB
DIGITAL
CONTROL
AND
PROTECTION
CIRCUITRY
V
CC B
V
O B
36,37,38
DRIVE
B
V
SS B
33,34,35
32
21
23
V
UC
V
LC
V
CC C
V
O C
DRIVE
C
29,30,31
12
V
Sd
V
SS C
26,27,28
FIGURE 1. PWR-82330 BLOCK DIAGRAM
漏
1992, 1999 Data Device Corporation
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