Radiation Tolerant 3-Phase Motor Drive

October 1, 2016

Data Device Corporation (DDC) (Bohemia, NY) introduced a new high-reliability, 3-phase radiation tolerant motor drive, providing 100k Rad Total Dose protection, and advanced circuit and logic protection to ensure fail-safe operation. The new compact PW-82336 3-phase motor drive hybrid utilizes a high-efficiency, radiation tolerant MOSFET output stage with 100 VDC rating to deliver 5A continuous current (10A peak current) to the motor.

Flexible I/O allows common design to be used across multiple application platforms with individual bridge returns and standard logic level inputs. Design eliminates shoot-through conditions with high and low-side input logic signals XOR's in each phase to prevent simultaneous turn on of in-line transistors. Internal logic controls (from +5 to +15 V) for the high and low-side gate drivers for each phase. 100 VDC rating with 5A continuous, 10A peak current capability.

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