MDC150-120151 - Brushless DC Driver

Maximum Current Limit Setting from 5.0-15.0 Amps Internal or External Potentiometer Speed Control 2-Quadrant Operation Hall Sensor Feedback Constant Velocity Mode Short Circuit Protection Requires 85 - 135 VAC Isolated Speed Out Isolated Fault Out

The MDC150-120151 driver is designed to drive DC brushless motors at currents of up to 15A and 170V. Using hall sensor feedback, a constant velocity mode can be selected. The driver is protected against over current (cycle-by-cycle or latched), hall sensor error and under voltage. Included on the driver is an internal potentiometer to control the maximum phase current allowed into the motor and an internal potentiometer to control the speed of the motor. An optional external potentiometer (10K) can be used to control the speed as well. The direction of the motor can be preset by the direction control input. Other inputs to the drive include a run/stop and a motor freewheel input. When using the run/stop input, there are three ramp up/down profiles from standstill to select from. The run/stop input overrides all other inputs into the driver.

Over current protection can be provided by means of a over current latch function by setting the ‘FLT LATCH’ dip switch. If a motor current level exceeding the current limit set by the internal current limit potentiometer is produced, an over current latch is activated, shutting off the output. This driver is equipped with a FAULT LED to alert the user of the following conditions: 1) Invalid Sensor Input code, 2) Over Current. (The driver is equipped with cycle-by-cycle current limiting or over current latch), and 3) Undervoltage Lockout activation at 9.1VDC for the input voltage and 4.5VDC for Hall Sensor voltage.
 

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