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Original DRV8825 3D printer Motor Driver Module with Aluminum Heat Sink RAMPS1.4 RepRap StepStick
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Original DRV8825 3D printer Motor Driver Module with Aluminum Heat Sink RAMPS1.4 RepRap StepStick
The DRV8825 stepper motor driver carrier is a breakout board for TI’s DRV8825 micro stepping bipolar stepper motor driver. The module has a pinout and interface that are nearly identical to those of the A4988 stepper motor driver carriers, so it can be used as a higher-performance drop-in replacement for those boards in many applications.
The DRV8825 features adjustable current limiting, overcurrent and overtemperature protection, and six micro step resolutions (down to 1/32-step). It operates from 8.2 – 45 V and can deliver up to approximately 1.5 A per phase without a heat sink or forced air flow (rated for up to 2.2 A per coil with sufficient additional cooling).
If you want to control the stepper motor with the stepper motor driver, for that you will need a few essential components like
Package Includes:
- 1 x Original DRV8825 3D printer Motor Driver Module with Aluminum Heat Sink RAMPS1.4 RepRap StepStick
Specifications:
| Operating Voltage (V) | 8 - 45 |
| Logic Voltage | 2.5 - 5.25 |
| Microstep resolutions | Full, 1/2, 1/4, 1/8, 1/16 and 1/32 |
| Dimensions (mm) | 15 x 20 |
| Weight (gm) | 5g |
1. What is a DRV8825 stepper driver?
- The DRV8825 is a motor driver integrated solution for printers, scanners, and other automated equipment applications. The device, which includes two H-bridge drivers and a microstepping indexer, is designed to power a bipolar stepper motor.
2. What is the difference between A4988 and DRV8825?
- The DRV8825 has a higher maximum supply voltage than the A4988 (45 V vs 35 V), which means it can be used at higher voltages more safely and is less vulnerable to damage from LC voltage spikes.
3. How does the DRV8825 work?
- The DRV8825 has two control inputs: STEP and DIR. The microsteps of the motor are controlled by STEP input. Each HIGH pulse sent to this pin drives the motor in the number of microsteps determined by the microstep selection pins. The higher the pulse frequency, the faster the motor will spin.
