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DRV8825 Stepper Motor Driver Module | High Current | 32 Microsteps
Product Overview
The DRV8825 Stepper Driver from Pro Tronix is a powerful solution for controlling bipolar stepper motors (like NEMA 17). It serves as a drop-in replacement for the A4988 in most 3D printer and CNC shields, but with significantly higher performance.
The standout feature of the DRV8825 is its ability to handle up to 1/32 microstepping, which allows for much smoother and quieter motor operation compared to standard 1/16 drivers. It also features a larger heat-dissipating surface area and a higher current rating, making it ideal for larger motors or high-speed applications.
Technical Specifications
| Feature | Specification |
| Max Current | 2.5A (with cooling) / 1.5A (continuous) |
| Microstep Resolutions | Full, 1/2, 1/4, 1/8, 1/16, and 1/32 |
| Operating Voltage (VMOT) | 8.2V – 45V DC |
| Logic Voltage (VCC) | 3V – 5.5V |
| Protection | Over-temp, Over-current, Under-voltage |
| PCB Layers | 4-Layer (Better heat dissipation) |
| Supplier | Pro Tronix |
Key Features
Ultra-Smooth Movement: 1/32 microstepping reduces motor vibration and noise significantly.
Higher Voltage Support: Operates up to 45V, allowing for better high-speed torque performance.
Adjustable Current Control: Includes an onboard potentiometer to set the maximum current output to protect your motors.
Heat Sink Included: Comes with a specialized aluminum heat sink to ensure stable performance during heavy operation.
Six Step Resolutions: Fully adjustable via MS1, MS2, and MS3 pins to suit your project’s precision needs.
Common Applications
3D Printers: Upgrading RAMPS or MKS boards for quieter and more accurate printing.
CNC Machines: Driving NEMA 17 or NEMA 23 motors for engraving and milling.
Automated Camera Sliders: Providing the silent, micro-precise movement needed for time-lapse photography.
Robotic Arms: Precise joint control for bipedal or articulated robots.
⚠️ Critical Safety Tip: > Never connect or disconnect a motor while the driver is powered! Doing so will cause an inductive spike that can permanently damage the DRV8825 IC. Always power off before changing motor connections.
You can see our available motion control products from here: Motors and Drivers| Pro Tronix
