Easy to use
Sale
A4988 & DRV8825 Stepper Motor Driver Modules with Heat Sink
Price range: $4.00 through $4.59
Pay now, in 4 interest-free payments of $1.00, or over 3–6 months
4 interest-free payments of $1.00
High-precision stepper motor drivers for 3D printers and CNC devices.
- Supports multiple microstepping modes up to 1/32 step
- Adjustable current via potentiometer for optimal control
- Includes built-in protections: thermal shutdown, UVLO, and short circuit
- Compact modules with effective heat dissipation and durable SMT manufacturing
↗
Estimated Delivery Time3–7 business days
Advanced Microstepping Control
These stepper motor driver modules offer multiple microstepping options, including full, half, quarter, eighth, sixteenth steps, with DRV8825 extending support up to 32 subdivisions for smoother and more accurate motor motion.
The A4988 driver simplifies microstepping with an integrated converter allowing pulse-step input, eliminating complex control protocols and enabling easy compatibility with basic microcontrollers.
Robust Protection Features
Built-in safeguards protect both the driver and motor from common electrical issues, including thermal shutdown preventing overheating, undervoltage lockout to maintain stable operation, and protection against cross current and short circuits.
- Thermal shutdown with hysteresis
- Undervoltage lockout (UVLO)
- Cross current protection
- Ground and load short circuit protection
Optimized Performance and Efficiency
The DRV8825 module features a 4-layer PCB for improved heat dissipation and lower internal resistance, reducing operating temperature and enhancing reliability.
The A4988's synchronous rectification circuit reduces power consumption during PWM operation, helping maintain efficient motor control with less heat output.
- DRIVER8825 supports up to 2.5A current
- Low RDS(on) output for minimal power loss
- Automatic current decay mode selection for noise reduction
Compatible Applications
These driver modules are essential components for building and operating stepper motors in 3D printers, CNC machines, engraving devices, and other automated equipment requiring precise motor control.
Supported 3D printer models include Prusa Mendel, printbot, and various DIY machines, providing flexibility across many projects.
Key Specifications
- A4988 max voltage: 35V, max current: ±1A
- DRV8825 max voltage: up to 45V, max current: 2.5A
- Microstepping: Full to 1/16 for A4988, up to 1/32 for DRV8825
- Package size: approx. 5×5 mm for A4988 QFN package
- Manufacturing: SMT for high yield and stable performance
What's in the box
- Stepper motor driver module (A4988 or DRV8825)
- Heat sink
Product FAQ
Frequently asked questions
01 What step modes do these stepper motor drivers support?
They support full, half, 1/4, 1/8, 1/16, and for DRV8825, up to 1/32 microstepping modes.
02 What is the maximum current supported by the DRV8825 driver?
The DRV8825 driver supports a maximum current of 2.5A.
03 Are these drivers compatible with 3D printers?
Yes, they are suitable for driving stepper motors in 3D printers such as Prusa Mendel and printbot, as well as CNC and engraving machines.
04 How is the current regulated in these stepper drivers?
Current is regulated with a fixed off-time current regulator supporting slow or mixed decay modes and an adjustable potentiometer for maximum current.
05 Do these modules have any protection features?
Yes, they include thermal shutdown with hysteresis, undervoltage lockout, cross current, ground short circuit, and load short circuit protection.
06 What voltage range do these drivers support for motors?
They support driving stepper motors from 8.2V up to 45V.
07 Are these modules easy to interface?
Yes, they use simple step and direction control inputs without complex programming or phase sequence requirements.
08 What manufacturing process is used for the DRV8825 module?
It is manufactured with SMT placement machines for higher yield and stable performance.
09 Does the A4988 driver include any built-in current decay mode detection?
Yes, it automatically selects current decay mode during microstep operation to reduce noise and power consumption.
10 What is the size of these driver modules?
Both modules measure approximately 1.5mm by 2mm, with the A4988 packaged in a 5mm by 5mm QFN with an exposed heatsink.
Discussion
4.9
Based on 22 reviews
Thank you for the products!
The order arrived quickly, good quality.
The order arrived quickly, good quality
Thank you for the products!
