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A4988 Stepper Motor Driver Module with Heat Sink For 3D Printer (Green)
A4988 Stepper Motor Driver Module with Heat Sink For 3D Printer (Green)
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- This is Original A4988 Stepper Motor Driver Module with Heat Sink For 3D Printer (Green)
- The extension board can be used for engraving machine or 3D printer driver
- Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection
- Simple step and direction control interface, short-to-ground and shorted-load protection
- Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay)
- Adjustable current control lets you set the maximum current output with a potentiometer, which lets you use voltages above your stepper motor rated voltage to achieve higher step rates
- Five different step resolutions: full-step, half-step, quarter-step, eighth-step, and sixteenth-step, with an output drive capacity of up to 35 V and 2 A.
A4988 Stepper Motor Driver Module with Heat Sink For 3D Printer (Green)
The A4988 driver Stepper Motor Driver is a complete micro-stepping motor driver with a built-in converter, easy to operate. It operates from 8 V to 35 V and can deliver up to approximately 1 A per phase without a heat sink or forced air flow (it is rated for 2 A per coil with sufficient additional cooling).
A4988 driver Stepper Motor Driver includes a fixed off-time current regulator, the regulator can be in slow or mixed decay mode. The converter is the key to the easy implementation of the A4988.
There are no phase sequence tables, high-frequency control interface programming, etc. The application of the A4988 interface is very suitable for a complex microprocessor is not available or overloaded. In the stepping operation, the chopping control in the A4988 automatically selects the current decay mode (slow or mixed). The mix decay current control scheme can reduce the audible motor noise, increase step accuracy, and reduce power consumption.
Provide internal synchronous rectification control circuitry, in order to improve the pulse width modulation (PWM) power consumption during operation.
Internal circuit protection includes thermal shutdown with hysteresis, under-voltage lockout (UVLO), and crossover current protection. Don’t need special power-up sequencing. A4988 uses a surface mount QFN package (ES), the size is 5 mm × 5 mm, nominal overall package height is 0.90 mm, with an exposed thermal pad to enhance the heat dissipation function.
If you want to control the stepper motor with the stepper motor driver, for that you will need a few essential components like
Features:
- Automatic current decay mode detection/choice.
- Mixed with slow current decay mode.
- The low power dissipation of synchronous rectifier.
- Internal UVLO(ultra voltage lockout).
- Crossover current protection.
- Thermal shutdown circuit.
- Ground fault protection.
- Loading and short circuit protection.
- The optional five-step mode: full, 1/2, 1/4, 1/8, and 1/16.
Package Includes:
- 1 x A4988 Stepper Motor Driver Module with Heat Sink For 3D Printer (Green)
Specifications:
| Input Supply Voltage (VDC) | 8 ~ 35 |
| Operating Current (A) | 1.0A(No Heatsink ), 2.0A (with Heat-Sinking) |
| Logic Input (V) | 3 ~ 5.5 |
| Modes of Operation | full, 1/2, 1/4, 1/8, and 1/16. |
| Driver Size | 20 x 15mm / 0.78 x 0.59" |
| Heat Sink Size | 5 x 5mm |
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy
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1. What is A4988 stepper motor driver?
- The A4988 is a complete microstepping motor driver with an integrated translator for ease of use. It is intended for use with bipolar stepper motors in full-, half-, quarter-, eighth-, and sixteenth-step modes, with output drive capacities of up to 35 V and 2 A.
2. How does an A4988 work?
- The A4988 is a microstepping driver with a built-in translator for controlling bipolar stepper motors. This means that we can control the stepper motor with just two pins from our controller, one for rotation direction and the other for steps.
3. 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.