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PWR-82332 Datasheet

  • PWR-82332

  • Drives (Power Amplifiers)|3-Phase Bridge Drive. Flat Pack Hy...

  • 16頁

  • ETC

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PWR-82332
SMART POWER 3-PHASE MOTOR
DRIVE FOR SPACE APPLICATIONS
DESCRIPTION
The PWR-82332 is a Smart Power
3-phase Motor Drive hybrid. The
PWR-82332 uses a MOSFET out-
put stage with 400 VDC rating, and
can deliver 19A continuous current
to the load. Individual fast recovery
diodes are internally connected
across each of the six output tran-
sistors to clamp inductive flyback.
High and low-side input logic sig-
nals are XOR鈥檇 in each phase to
prevent simultaneous turn on of in-
line transistors, thus eliminating a
shoot thru condition. The internal
logic controls the high and low-side
gate drives for each phase and
operates from 5 V logic levels. The
internal power supply provides a
constant voltage source to the
floating high-side gate drives. This
provides constant output perfor-
mance for switching frequencies
from dc to 50 kHz.
APPLICATIONS
Packaged in a small case, this
hybrid is an excellent choice for high
performance, high-reliability motor
drives for servo-amps and speed
controls. Among the many applica-
tions are robotic arms; electro-
mechanical valve assemblies; actu-
ator systems; antenna and solar
panel positioning; fan and blower
motors for environmental condition-
ing; Reaction wheels; compressor
motors for cryogenic coolers. The
PWR-82332 hybrid is ideal for harsh
military/space environments where
shock, vibration, and temperature
extremes are evident. The PWR-
82332 operates over the -55擄C to
+125擄C temperature range and is
available with K-Level processing.
FEATURES
路
Small Size (3.0" x 2.3" x 0.40")
路
400 VDC Rating
路
19 A Continuous Current Capability
路
Class K Processing
路
SEU Immune for LET Level of 36
MeV/mg/cm2
路
Can Withstand 10 KRad (Si) Total
Dose Radiation
路
Space Station Qualified Drawing
#SSQ22691
路
High-Efficiency MOSFET Drive Stage
路
Direct Drive for Commutation Logic
路
6 Step Trapezoidal or Sinusoidal Drive
路
Four Quadrant Operation
Vb
VZ
VLPI
VUA
VLA
GND
POWER SUPPLY/BIAS GENERATION
VCC
A
VO
A
DRIVE
A
VSS
A
VUB
VLB
GND
DIGITAL
CONTROL
AND
PROTECTION
CIRCUITRY
VCC
B
VO
B
DRIVE
B
VSS
B
VUC
VLC
GND
VCC
C
VO
C
DRIVE
C
VSS
C
VSd
FIGURE 1. PWR-82332 BLOCK DIAGRAM
漏 1993, 1999 Data Device Corporation

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