A4988 driver Stepper Motor Driver- Normal Quality

(11 customer reviews)

Out of stock

Approx Restocking Date: 25 to 30 Days
SKU: 52807
  1. Supply Voltage : 8-35 VDC.
  2. Current : 1.0A  (no heatsink ).
  3. Current : 2.0A (with heat-sinking).
  4. logic input : 3 – 5.5V .
  5. Automatic current decay mode detection / choice.
  6. Mixed with slow current decay mode.



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Out of stock

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Category: Stepper Motor Drivers
Tags: Motor Driver, Stepper Motor, A4988

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 that 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.

Attention! The connection and disconnection of the motor, while the driver is turned on, can damage the system.

Note : HR4988 on chip working remains same.

Note: The difference between product “A4988 driver Stepper Motor Driver- Standard Quality” and “A4988 driver Stepper Motor Driver- Good Quality”  is, The good quality A4988 has more number of PCB layers and it features the connecting pins which are of gold plated as compared to other.

Features :

  1. Automatic current decay mode detection/choice.
  2. Mixed with slow current decay mode.
  3. The low power dissipation of synchronous rectifier.
  4. Internal UVLO(ultra voltage lockout).
  5. Crossover current protection.
  6. Thermal shutdown circuit.
  7. Ground fault protection.
  8. Loading and short circuit protection.
  9. The optional five-step mode: full, 1/2, 1/4, 1/8 and 1/16.

Package Includes :

1 x A4988 driver Stepper Motor Driver- Standard Quality

1 x Heat sink.


SKU: 52807 Category: Tags: , ,
Current (No Hestsink)

1 A

Current (With Hestsink)

2 A

Logic Input (V)

3 ~ 5.5

Shipping Weight 0.08 kg
Shipping Dimensions 5 × 5 × 4 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 11 reviews

4.5 overall

Add a review

  1. vikasingatiya (verified owner)

    Good quality product.
    however there was 7 days delay in delivery by bluedart. robu team support in getting it delivered after raising to them


  2. vikasingatiya (verified owner)

    Good quality product.
    however there was 7 days delay in delivery by bluedart. robu team support in getting it delivered.


  3. blackbox320 (verified owner)

    Excellent. Worked very well.


  4. bhavin192 (verified owner)

    The driver quality is good.


  5. sayandas8101@gmail.com (verified owner)

    good product.work well


  6. teerthkoradiya (verified owner)

    Quality is good


  7. teerthkoradiya_ramesh@srmuniv.edu.in

    Quality is good


  8. Bala Basker (verified owner)

    Nice product good quality

    Bala Basker

  9. SAHEEN_ PALAYI (verified owner)

    nice product works well!
    attractive price


  10. Swapnil Jadhav (verified owner)

    Great Products Thank You

    Swapnil Jadhav

  11. Swapnil Jadhav (verified owner)

    Fine Quality Product

    Swapnil Jadhav


Questions and answers of the customers

    What is the value of Sensing resistor for this dri... Read more
  1. 0 votes
    Q What is the value of Sensing resistor for this driver? answer now
    Asked by neel shah on July 29, 2022 10:16 pm

    The value of the current sensing resistor for t... Read more

  2. can i get with heatshink or without heatshink
  3. 0 votes
    Q can i get with heatshink or without heatshink answer now
    Asked by Nilanjan Roy on June 26, 2020 10:41 am

    With HeatSink

Only registered users are eligible to enter questions
Country Of Origin: China

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