A4988 – Stepper Motor Driver

A4988 Stepper Motor Driver – General Specifications

• Simple step and direction control interface
• Five different step resolutions
• Adjustable current control lets you set the maximum current output with a potentiometer
• Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay)
• Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection
• Short-to-ground and shorted-load protection

 A4988 Stepper Motor Driver – Technical Specifications

• Minimum operating voltage: 8 V
• Maximum operating voltage: 35 V
• Continuous current per phase: 1 A
• Maximum current per phase: 2 A
• Minimum logic voltage: 3 V
• Maximum logic voltage: 5.5 V
• Microstep resolutions: 1, 1/2, 1/4, 1/8, 1/16
• Size: 0.6″ × 0.8″
• Weight: 1.3 g