The A4988 is a complete Microstepping Motor Driver with built-in translator for easy operation. The driver has a maximum output capacity of 35 V and ± 2 A. It can operate bipolar stepper motors in full-, half-, quarter-, eighth-, and sixteenth-step modes.
A4988 Driver Stepper
$3.00
Description
The A4988 is a complete Microstepping Motor Driver with built-in translator for easy operation. The driver has a maximum output capacity of 35 V and ± 2 A. It can operate bipolar stepper motors in full-, half-, quarter-, eighth-, and sixteenth-step modes.
Pinout
| Pin Name | Description |
| VDD & GND | Connected to 5V and GND of Controller |
| VMOT & GND MOT | Used to power the motor |
| 1A, 1B & 2A, 2B | Output Pins, Connected to the 4 Wires of motor |
| DIRECTION | Motor Direction Control pin |
| STEP | Steps Control Pin |
| MS1, MS2, MS3 | Microstep Selection Pins |
| FAULT | Fault Detection Pin |
| SLEEP | Pins For Controlling Power States |
| ENABLE | Enable module to ready run motor |
| RESET | Reset module |
Additional information
| Color | Green, Red |
|---|
Technical Specification
| Operating Voltage | 8V to 35V |
| Max Current per Phase | 2A |
| Output Current | Adjustable output current via potentiometer |
| Six step resolution | Full step, ½ step, ¼ step, 1/8 step, 1/16 step |
| Revers Voltage Protection | No |
| Protection | Short-to-ground and shorted-load protection |
| Thermal Protection | Thermal shutdown circuitry |
| PBC Size | 15.5 mm x 20.5 mm |
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