ISO 9001 CERTIFIED BY DSCC
M.S.KENNEDY CORP.
FEATURES:
30 AMP, 500V, 3 PHASE
IGBT BRUSHLESS
MOTOR CONTROLLER
4471
(315) 699-9201
8170 Thompson Road Cicero, N.Y. 13039
500 Volt Motor Supply Voltage Capable, Designed for 270V Operation
30 Amp Output Switch Capability
100% Duty Cycle High Side Conduction Capable
Shoot-Through/Cross Conduction Protection
Hall Sensing and Commutation Circuitry on Board
"Real" Four Quadrant Torque Control Capability
Good Accuracy Around the Null Torque Point
Isolated Base Plate Design for High Voltage Isolation Plus Good Thermal Transfer
60°/ 120º Phasing Selectable
Tach Output for Velocity Feedback, Open Collector Hall Outputs for Direction Sensing
DESCRIPTION:
The MSK 4471 is a complete 3 Phase IGBT Bridge Brushless Motor Control System in a convenient isolated
baseplate package. The module is capable of 30 amps of output current and 500 volts of DC bus voltage. It has
the normal features for protecting the bridge. Included is all the bridge drive circuitry, hall sensing circuitry,
commutation circuitry and all the current sensing and analog circuitry necessary for closed loop current mode
(torque) control. When PWM'ing, the transistors are modulated in locked anti-phase mode for the tightest control
and the most bandwidth. Provisions for applying different compensation schemes are included. The MSK 4471
has good thermal conductivity of the IGBT's due to isolated plate design that allows direct heat sinking of the
module without insulators.
BLOCK DIAGRAM
TYPICAL APPLICATIONS
3 Phase Brushless DC Motor Control
Servo Control
Fin Actuator Control
Gimbal Control
AZ-EL Control
1
2
3
4
5
6
7
8
9
10
1
Disable
Clock SYNC
-15 VIN
E/A OUT
-15 VIN
E/A -
GND
Tach Out
GND
Tach RC
PIN-OUT INFORMATION
11
12
13
14
15
16
17
18
19
20
-Current Command
REF Out
+Current Command
Hall C
Current Monitor Out
Hall B
Brake
Hall A
+15 VIN
Hall C
21
22
23
24
25
26
27
28
29
30
31
+15 VIN
Hall B
GND
Hall A
GND
60/120
GND
CØ
BØ
AØ
V+
PRELIMINARY Rev. - 5/99
MSK [ M.S. KENNEDY CORPORATION ]
