DescriptionThe A4988 is a full Microstepping Motor Driver with an integrated translator for ease of use. The maximum output capacity of the driver is 35 V and 2 A. It can run bipolar stepper motors in full, half, quarter, eighth, and sixteenth steps.DIMENSIONSA4988 IC 2D-ModelPIN CONFIGURATIONPin NameDescriptionVDD & GNDConnected to 5V and GND of ControllerVMOT & GNDUsed to power the motor1A, 1B, 2A, 2BConnected to the 4 coils of the motorDIRECTIONMotor Direction Control pinSTEPSteps Control PinMS1, MS2, MS3Microstep Selection PinsSLEEP Pins For Controlling Power StatesRESETENABLEAPPLICATIONUsed to control the speed and rotation of the stepper motor.It is used in robotics to control their motion.It is used in different toys.SPECIFICATIONSMax. Operating Voltage: 35VMin. Operating Voltage: 8VMax. Current Per Phase: 2AMicrostep resolution: Full step, ½ step, ¼ step, 1/8 and 1/16 stepReverse voltage protection: NoDimensions: 15.5 × 20.5 mm (0.6″ × 0.8″)Short-to-ground and shorted-load protectionLow RDS(ON) outputsThermal shutdown circuitryDOCUMENTATIONSTutorialWikiSHIPPING LIST1 x A4988 DRV8825 Stepper Motor Driver Module1 x Heat sink
