DRV8825 Stepper Motor Driver Module

Overview

This is a break out board for DRV8825 micro stepping bipolar stepper motor driver. It can drive a bipolar stepper motor with an output current of up to 2.5 A per coil. It is suitable for driving a stepper motor from a power supply of 8.2 V to 45 V.

The DRV8825 stepper motor driver carrier board TI DRV8825 micro-bipolar stepper motor driver is a breakthrough. This module has a pin distribution and interface that is almost the same as our A4988 stepper motor driver carrier, so it can be used as a higher performance drop-down menu replacement for these boards in many applications. DRV8825 has adjustable current limit, overcurrent and overheat protection, six micro resolutions (downward 1/32-step). It uses 8.2-45 V and can provide up to about 1.5 per phase without heat sink or forced air flow (rated up to 2.2 per roll with enough additional cooling).

Features

1. Simple step and direction control interface

2. Six different step resolutions: full step, half step, 1/4-step1/8-step1/16-step, 1/32-step

3. CAN interface directly 3.3 V and 5 V systems

4. Thermal shutdown over temperature, over current shutdown, under voltage lockout

5. Short-to-ground short-circuit load protection

6. 4 layers of 2 oz copper PCB, to improve heat dissipation

7. Exposed soldering of the driver IC underneath the grounding pad on the bottom of the printed circuit board.

8. The module size, pins and interface match the A4988 stepper motor driver operator in many ways.

9. The adjustable current control allows you to set a potentiometer, which allows you to use the step, enter the voltage above the rated voltage of the motor to achieve a higher step rate and output the maximum current.

10. Intelligent chopper control can automatically select the correct current attenuation mode (fast or slow attenuation)

11. Maximum 45 V power supply voltage

12. Built-in voltage regulator (requires any external logic power supply voltage)

Specifications

• 4-layer, 2 oz copper PCB for improved heat dissipation
• Output Current: 2.5 A
• PCB Size: 15 mm x 20 mm

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