Interface design associates pvt. Ltd. Offers components and solutions for motion control applications, which include pc based cnc controllers, standalone cnc controllers, mechatronics systems and many more offers drive amplifiers that covers the whole range of motors for mechatronics applications including stepper motors, dc servo motors and ac servo motors. Interface design associates pvt. Ltd provides smd-07 stepper motor drive unit drive amplifier which has features like bipolar pwm drive technology, input voltage: 24v to 40v or 24v to 60v [smd-07-hcm], current rating: max 3.5 amps/phase[7 amps/phase for smd-07-hcm], opto-isolated inputs, resolution: 400 steps/rev[2000 steps/rev. For smd-07-hcm], input signals: clk,dir,den & res, in-built heat sinks, termination: phoenix terminals.