Pololu DRV8825 Stepper Motor Driver Carrier, High Current

The DRV8825 Stepper Motor Driver Module is a breakout board built around Texas Instruments' DRV8825 microstepping bipolar stepper motor driver IC. Designed as a drop-in upgrade for the popular A4988 driver , it matches the same compact module size, pinout, and interface, making it a direct replacement in most applications including RepRap-style 3D printers and CNC controllers. This module accepts a simple STEP and DIRECTION control interface and supports six microstepping modes, allowing for smoother motor operation and finer positional accuracy. With its adjustable current-limiting potentiometer , you can safely drive stepper motors at voltages above their rated value to achieve higher step rates and improved torque. The board is manufactured using a 4-layer PCB with 2 oz copper and includes an exposed ground pad beneath the driver IC for excellent heat dissipation. A pre-installed heatsink further extends continuous current handling capability. The DRV8825 is fully assembled using SMT placement machines , ensuring consistent build quality and reliable long-term performance. Specifications Driver IC: Texas Instruments DRV8825 Module Dimensions: 15.5 mm × 20.5 mm Maximum Output Current: 2.5 A per coil (with proper cooling) Motor Supply Voltage: 8.2 V to 45 V Logic Voltage Compatibility: 3.3 V and 5 V systems Microstep Resolutions: Full, 1/2, 1/4, 1/8, 1/16, and 1/32 Built-in Regulator: Yes (no external logic supply required) PCB Construction: 4-layer, 2 oz copper Cooling: Heatsink included; exposed solderable ground pad Applications 3D Printers (RepRap, Prusa, Ender, and similar platforms) CNC Machines and Mills Laser Engravers and Cutters Robotics and Robotic Arms Automated Camera Sliders and Motion Rigs Telescope Mounts and Astronomy Equipment Industrial Automation and Linear Actuators DIY Maker Projects requiring precise positional control