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DESCRIPTION:

The MSK 4363 is a complete 3 Phase MOSFET Bridge Brushless Motor Control System in an electrically isolated hermetic package. The hybrid is capable of 10 amps of output current and 75 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 PWMing, 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 4363 has good thermal conductivity of the MOSFETs due to isolated substrate/package design that allows direct heat sinking of the hybrid without insulators.

FEATURES:

? 75 Volt Motor Supply Voltage

? 10 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°/ 120? Phasing Selectable

? Contact MSK for MIL-PRF-38534 Qualification Status

TYPICAL APPLICATIONS

? 3 Phase Brushless DC Motor Control

? Servo Control

? Fin Actuator Control

? Gimbal Control

? AZ-EL Control