A4988 3D Printer Stepper Motor Driver Reprap Driver Module

A4988 3D Printer Stepper Motor Driver Reprap Driver Module
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A4988 3D Printer Stepper Motor Driver Reprap Driver Module
A4988 3D Printer Stepper Motor Driver Reprap Driver Module
A4988 3D Printer Stepper Motor Driver Reprap Driver Module
A4988 3D Printer Stepper Motor Driver Reprap Driver Module
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Price:  US $10.50 / lot
Sale price:  US $8.82 / lot


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Guarantees: On-time Delivery 60 days

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A4988 3D Printer Stepper Motor Driver Reprap Driver Module

A4988 is a complete microstepping motor driver with built-in translator for easy operation. This product is available in full, half, 1/4, 1/8 and 1/16 step modes operate bipolar stepper motors, output drive capacity of up to 35V and +- 2A. A4988 includes a fixed off-time current regulator, the regulator in slow or mixed decay modes. A4988 converter is the key to the easy implementation. As long as the “step” input inputting one pulse drives the motor one microstep. There are no phase sequence tables, high frequency control lines, or complex interfaces to program. A4988 interface is very suitable for complex microprocessor is unavailable or is overburdened.

Features:

– Simple step and direction control interface

– Short-to-ground and shorted-load protection

– Five different step resolutions: full-step, half-step, quarter- step, eighth-step, and sixteenth-step

– Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay)

– Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection

– Adjustable current control lets you set the maximum current output with a potentiometer, which lets you use voltages above your stepper motor’s rated voltage to achieve higher step rates

In the micro-step operation, A4988 chopping control inside automatically selects the current decay mode (Slow or Mixed). In mixed decay mode, the device is initially set to a fixed downtime in some fast decay, then the rest of the slow decay downtime. Mixed decay current control scheme results in reduced audible motor noise, increased step accuracy, and reduced power consumption. Internal synchronous rectification control circuitry is provided to improve the pulse-width modulation (PWM) operation power consumption. Internal circuit protection includes: thermal shutdown with hysteresis, undervoltage lockout (UVLO), and crossover-current protection. Special power sequencing.

Color: Red

Net Weight: 1g

Package Weight: 3g

After Sales Service: 1 Year Warranty

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EMS 5 - 14 days
Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).
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