General Description The D30/5(7.5)/4(1)Q-E2 is a small 4-quadrant (or 1-quadrant) digital controller for the control of brushless motor up to 150 W (or 225 W), equipped with digital hall sensors. • Digital speed control - operates as «closed loop» speed controller • Maximum speed 60,000 rpm (motor with 2 poles) • Set value input through external analogue voltage (0 ... +3.3 V) • Set value input through external PWM 200 Hz • Direction of rotation preset by a digital signal • The output stage can be enabled or disabled • Motor speed monitoring via «FG» output • Status indication via «Ready» output • Motor blocked protection (current limit for blocked motor) • Protection: over-voltage, under-voltage, motor block, short-circuit • Standardized connector strip with 2.54 mm and 2 mm pitch • The built-in shunt regulator is designed to limit the supply voltage of the controller