3.69 €
In Stock
DRV8825 Pololu driver for Prusa i3 3D printer compatible with RAMPS 1.4
Brand: satkit
3.69€
VAT included (Ex VAT: 3.00 €)
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The DRV8825 Pololu driver for Prusa i3 3D printer is an advanced controller for stepper motors, designed to improve the performance of 3D printers based on Reprap technology, such as the popular Prusa i3 and i2. This driver is compatible with the RAMPS 1.4 board, making it easy to integrate into existing systems.
This model uses the DRV8825 chip from Texas Instruments, which offers higher power and greater precision compared to the well-known A4988. Thanks to its ability to generate microsteps of up to 1/32, it significantly improves the smoothness and accuracy of movement, resulting in better-quality 3D prints.
Key features
- Operating voltage: from 8,2V to 45V, suitable for a wide range of stepper motors.
- Maximum current: 1,5A continuous, with peaks up to 2,2A using additional cooling.
- Microstepping: five different resolutions, including 1/32 for greater precision.
- Integrated protection: adjustable current limiting and overcurrent protection to protect the hardware.
- 4-layer PCB: improves heat dissipation, increasing the durability and stability of the driver.
Use and compatibility
This driver is ideal for users looking to improve the precision and power of their Reprap 3D printers, especially Prusa i3 and i2 models. Its compatibility with RAMPS 1.4 allows for easy installation and flexible configuration.
It is important to adjust the firmware settings to match the 1/32 microstepping offered by this driver. In addition, the jumper configuration on the RAMPS board must be adjusted according to the table included to maintain the desired steps per millimetre setting.
Jumper configuration for microstepping
- no no no: 1 step
- yes no no: 1/2 step
- no yes no: 1/4 step
- yes yes no: 1/4 step
- no no yes: 1/16 step
- yes no yes: 1/32 step
- no yes yes: 1/32 step
- yes yes yes: 1/32 step
This driver is an advanced option for those who want to optimise their 3D printers with a reliable, high-performance controller.
- Compatible with Prusa i3 and i2 3D printers and RAMPS 1.4
- Microstepping up to 1/32 for greater precision
- Operating voltage from 8,2V to 45V
- 1,5A continuous current, up to 2,2A with cooling
- 4-layer PCB for better heat dissipation
- Overcurrent protection and adjustable current limiting
Customer Questions & Answers
What are the dimensions, weight and box contents of the Pololu DRV8825 driver?
The Pololu DRV8825 module measures approximately 20 mm x 15 mm x 10 mm and weighs less than 5 g. The package usually includes the driver and a self-adhesive aluminium heatsink. Cables or jumpers are not always supplied, so it is advisable to check before buying.
What are the main overheating issues and how can they be prevented?
The main risk is overheating if the current is set too high or if adequate cooling is not used. It is recommended to fit the included heatsink and improve ventilation inside the printer enclosure. If the driver exceeds 100 °C, it may trigger internal thermal protection and temporarily shut down.
What additional maintenance or replacement steps does the DRV8825 require compared with other drivers?
Maintenance is similar to other drivers: check the heatsink regularly, keep the contacts clean and monitor the current setting. Replacement is straightforward and interchangeable with the A4988, but microstepping must be reconfigured using jumpers and the steps per mm updated in the firmware to maintain accuracy.
Is the DRV8825 compatible with the RAMPS 1.4 board?
Yes, the DRV8825 is fully compatible with the RAMPS 1.4 board, making it easy to integrate into 3D printers based on this platform.
What is the difference between the DRV8825 and the A4988?
The DRV8825 offers higher power and microstepping up to 1/32, improving movement precision and smoothness compared with the A4988.
How is microstepping configured on the DRV8825?
Microstepping is configured using the ms1, ms2 and ms3 jumpers on the RAMPS board according to the configuration table included in the product description.
What voltage does the DRV8825 support?
The DRV8825 can operate with voltages from 8,2V to 45V, adapting to different stepper motors.
What maximum current does this driver support?
It supports 1,5A continuous current and up to 2,2A with additional cooling.
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