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A4988 Microstepping Motor Driver
Complete motor driver with easy operation for bipolar stepper motors.
- Operating Voltage: Up to 35 V
- Output Drive Capacity: ±2 A
- Decay Modes: Full-, half-, quarter-, eighth-, and sixteenth-step
- Current Regulator: Fixed off-time
- Translator: Built-in for easy operation
- Chopping Control: Automatic selection of current decay mode
- Interface: Simple one-pulse input for microstepping
- Power Dissipation: Internal synchronous rectification control
Features:
- Low RDS(ON) outputs
- Automatic current decay mode detection/selection
- Mixed and Slow current decay modes
- Synchronous rectification for low power dissipation
The A4988 is an ideal fit for applications without a complex microprocessor or in scenarios where the microprocessor is overburdened. It includes thermal shutdown, under-voltage lockout, and crossover-current protection for added safety.
*Images are for illustration only; actual product may vary.*