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The Pololu DRV8824 is a carrier board for TI’s DRV8824 stepper motor driver. The board can deliver up to 1.2A per coil with appropriate cooling system and 0.75 A otherwise. It has the same pinout, interface and features as the Pololu DRV8825 so that it can be used as a replacement.

Features

• simple step and direction control interface
• six different step resolutions: full-step, half-step, 1/4-step, 1/8-step, 1/16-step, and 1/32-step
• adjustable current control lets you set the maximum current output with a potentiometer, which lets you use voltages above your stepper motor’s rated voltage to achieve higher step rates
• intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay)
• 45 V maximum supply voltage
• built-in regulator (no external logic voltage supply needed)
• can interface directly with 3.3 V and 5 V systems
• over-temperature thermal shutdown, over-current shutdown, and under-voltage lockout
• short-to-ground and shorted-load protection

Part List

• 1x DRV8824 motor controller
• 1x 1x16 pin headers

Documents

• DRV8824 Data sheet
• Pololu documentation