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A4988 Micro stepping Bipolar Stepper Motor Driver IC
- Stock: 20 InStock
- SKU: 5085 | DAF306
-
Rs.
105.02 (inc GST)
Rs.89.00 + GSTQty :
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A4988 Micro stepping Bipolar Stepper Motor Driver IC
A4988 Micro stepping Bipolar Stepper Motor Driver IC
The A4988 is a complete micro stepping motor driver with built-in translator for easy operation. It is designed to operate bipolar stepper motors in full-, half-, quarter-, eighth-, and sixteenth-step modes, with an output drive capacity of up to 35 V and ±2 A. The A4988 includes a fixed off-time current regulator which has the ability to operate in slow or mixed decay modes. The translator is the key to the easy implementation of micro stepping; by simply inputting a step pulse, the driver controls the motor based on the selected step resolution.
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Features of A4988 Micro stepping Bipolar Stepper Motor Driver IC
- Micro stepping capability: The A4988 supports full, half, quarter, eighth, and sixteenth micro stepping modes for finer motor control and smoother operation.
- Built-in translator: Simplifies control over stepper motors by converting step and direction signals into corresponding motor movements.
- Adjustable current control: Allows control over the maximum output current with a potentiometer, protecting the motor from overcurrent.
- Over-temperature shutdown: Protects the driver from damage due to excessive temperature rise.
- Under-voltage lockout (UVLO): Prevents the driver from operating below a certain voltage level to ensure reliable performance.
- Crossover-current protection: Prevents the shorting of outputs when switching phases, ensuring safe operation.
Specifications of A4988 Micro stepping Bipolar Stepper Motor Driver IC
- Motor Voltage (VMOT): 8V to 35V.
- Logic Voltage (VDD): 3.3V to 5V.
- Maximum Output Current: Up to 2A per coil (with proper cooling).
- Micro stepping Modes: Full-step, half-step, quarter-step, eighth-step, sixteenth-step.
- Step Resolution Control: Configurable using three input pins (MS1, MS2, MS3).
- Current Sensing: Via two resistors, one for each motor coil.
Package Includes
- 1 x A4988 Micro stepping Bipolar Stepper Motor Driver IC
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