DRV8825 Stepper Motor Driver With Heatsink


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The DRV8825 stepper motor driver carrier is a breakout board for TI’s DRV8825 microstepping bipolar stepper motor driver. The module has a pinout and interface that are nearly identical to those of our A4988 stepper motor driver carriers, so it can be used as a higher-performance drop-in replacement for those boards in many applications. The DRV8825 features adjustable current limiting, over-current and over-temperature protection, and six micro step resolutions (down to 1/32-step). It operates from 8.2 – 45 V and can deliver up to approximately 1.5 A per phase without a heat sink or forced air flow (rated for up to 2.2 A per coil with sufficient additional cooling).



  •  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;
  •  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;+
  •  4-layer, 2 oz copper PCB for improved heat dissipation;
  •  Exposed solderable ground pad below the driver IC on the bottom of the PCB;
  •  Module size, pinout, and interface match those of our A4988 stepper motor driver carriers in most respects
  •  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).
  •  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;

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