UIM240XX are micro-high-performance stepping motor driver. Its biggest feature is the small size and the driving ability. They can be mounted onto NEMA 17/23/34/43 series stepping motor seamlessly through corresponding flanges. The UIM240L02 provide 0-2A adjustable peak current; UIM240C04 provide 1.5-4A adjustable peak current; UIM240C08 provide 3-8A adjustable peak current. Its high-speed current compensation can compensate for the impact caused by back-EMF when the motor is running at high speed. Besides UIM240L02 using 12-28VDC for supply, UIM240XX series drivers work on 12-38 VDC power supply. The enclosure is made of die-cast aluminum which provides a rugged, durable protection and improves the heat dissipation.

Micro-integrated Design
• Miniature size 42.3mmx42.3mmx16.5mm 
• Integral design to fit motors, work independently as well
• Made of die-cast aluminum which provides a rugged, durable protection and improves the heat dissipation

Motor Drive Characteristics
• 12–38VDC Input voltage (UIM240L02 12–28VDC)
• Peak 2A/4A/8A Adjustable output current
• 1 to 16th micro stepping, Dual full H-bridge with PWM constant current control, Online controlled offline/enabled
• Electro-optical isolation inputs, Standard Common cathode anode single pulse input
• Automatic current reduction by half
• Highest frequency 12KHZ/1 stepping 200KHz/1/16 micro stepping