A4988 Stepper Motor Drivers

The A4988 is a microstepping stepper motor driver handling 8-35V motor voltage and 3-5.5V logic voltage, providing up to ±2.5A peak current. It supports full, half, quarter, eighth, and sixteenth step resolutions for precise motor control, featuring simple Step/Direction interface, adjustable current limit, and built-in protection Motor Voltage (VMOT): 8V to 35V Logic Voltage (VDD): 3V to 5.5V Continuous Current Per Phase: ~1A (without heat sink), ~2.5A (with heat sink/cooling) Peak Current Per Phase: 2.5A Microstepping: Full{phone=121418116} steps Control Interface: Simple Step & Direction Current Control: Adjustable via potentiometer (VREF) Minimum order: 4