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Bipolar stepper motor driver with A4988 system

The stepper motor driver with Allegro A4988 (A4988 Stepper Motor Driver Carrier) allows you to supply a bipolar current of up to 2A per phase. The system can be supplied with voltage up to 35V, in the set there is a heat sink. It is compatible with Polol 1182

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ID: 561437

1,93€ gross (23% VAT)
1,57€ net

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Data sheet

Output current2A
Number of channels2
Supply voltage min8 V
Supply voltages max35 V

More info


Stepper motor driver plate (bipolar) with Allegro MicroSystems A4988. It allows you to supply the stepper motor with current consumption of up to 2A per phase. It is compatible with Polol 1182.


  • Built-in A4988 system from Allegro MicroSystems
  • Possibility to configure the working mode: full step, half step, 1/4 step, 1/8 step, 1/16 step
  • Power supply: 8 - 35 V
  • The voltage of the logic part: 3-5,5 V
  • Adjustable motor current using a potentiometer
  • Intelligent control, automatically selects the correct slope rise mode (fast rise or slow rise)
  • Protection against too low input voltage
  • Overheating protection
  • Protection against short-circuit to ground and short-circuit of the load


Dependence of the operating mode on the state of the MS1 ... MS3 line
MS1MS2MS3Operating mode
ShortShortShortFull steps
ShortTallShort1/4 step-
TallTallShort1/8 step-
The minimum configuration of the driver's peripherals


  • Driver module with A4988 system
  • Radiator with dimensions of 9 mm x 9.2 mm with an adhesive layer