Overload_protected_motor_speed_controller

Published:2009/7/22 0:26:00 Author:Jessie | From:SeekIC

With this circuit, the tach signal is fed back and compared to a reference current, with the LM301A closing the control loop. The 0.47-μF capacitor provides stable compensation. Because the tach output is bipolar, the speed is controllable in both directions, with clean transitions through zero. The LT1010 thermal protection prevents device destruction in the event of mechanical overload or malfunction.



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