DRV8825 Stepper Motor Driver Module

DRV8825 Stepper Motor Driver Module is a high-performance driver board used to control stepper motors with precision and ease. It is based on the TI DRV8825 chip and supports up to 2.5A peak current with microstepping capabilities. It is widely used in 3D printers, CNC machines, and robotics where smooth and accurate motor control is required.

Key Features:

• Microstepping Support: Up to 1/32 microstepping for smooth motion.
• Adjustable Current Control: Easily set maximum current output with onboard potentiometer.
• Wide Voltage Range: Supports motor supply voltages from 8.2V to 45V.
• High Current Output: Delivers up to 1.5A per phase (without heatsink) and 2.5A with cooling.
• Over-Temperature and Over-Current Protection: Built-in protection for safety and reliability.

Technical Specifications:

• Motor Voltage Range: 8.2V to 45V
• Logic Voltage: 3.3V to 5V
• Max Current (with heatsink): 2.5A per coil
• Microstepping Modes: Full, 1/2, 1/4, 1/8, 1/16, 1/32
• Built-in Translator: Step/Dir interface simplifies control
• Thermal Shutdown and Short Circuit Protection: Yes

Mechanical Specifications:

• Board Dimensions: Approx. 15mm × 20mm
• Mounting Holes: 2 mm holes for secure mounting
• Included Heatsink: Aluminum heatsink for thermal management
• Pin Pitch: 2.54mm (0.1 inch) standard spacing

Pinout and Wiring:

• Power Supply Pins: VMOT, GND
• Logic Pins: STEP, DIR, ENABLE, SLEEP, RESET, M0–M2
• Motor Output Pins: A1, A2, B1, B2
• Connection: Connect STEP/DIR to microcontroller, VMOT to motor power, and motor coils to outputs

Datasheet and Documentation:

• Download DRV8825 Datasheet (PDF)

Applications:

• 3D Printers: Drives X, Y, Z, and extruder motors with high precision.
• CNC Machines: Controls multi-axis motion accurately.
• Robotics: Used in robotic arms and movement platforms.
• Automated Machinery: Ideal for automation and mechatronics systems.
• Plotters and Engravers: Enables fine-grained movement for precise drawings or cuts.

Equivalent Models:

• A4988: Pin-compatible stepper driver with 1/16 microstepping
• TMC2208: Quiet driver with stealthChop for noise-sensitive applications
• TB6600: External driver with higher current rating for larger motors

Package Includes:

• 1 x DRV8825 Stepper Motor Driver Module
• 1 x Aluminum Heatsink