UIM 24004 stepper motor driver

1.6-4A adjustable output current.

Miniature size 42.3mm*42.3mm*13.5mm

Integrally designed to mount onto stepping motors seamlessly, as well as work standalone

12-40VDC supply, Max 4A adjustable output current

1to16th Micro-stepping

Dual H-bridge with PWM constant current control

Enable/shutdown controllable

Opto-isolated inputs with common anode

Die-cast aluminium enclosure provides a rugged durable protection and improves the heat dissipation.

Bipolar constant current driver attributes
Features Drawbacks Applications
• Maximum motor utilisation and high efficiency.
• Maximum torque at low and high stepping rates.
• Low losses stand bye mode possible.
• 8-lead motors can be configured for 3 different operating currents.
• No snubbing circuits required and current turn off can be selected for fast (return to power supply) or slow.
• Highly integrated drivers available, second sourced drives also available.
• 8 power transistors needed to drive a motor.
• Problems with electrical noise and interference can occur.
• Power losses in current sensing resistors.
• For small and medium size motors highly integrated drivers are available.
• High speed and high power applications.