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Pololu 3D Printer StepStick Drv8825 Stepper Motor Driver – Genérico

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Tags: Drv8825, motor driver, controlador, motores

$4.49 $3.99

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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 A4988 stepper motor driver board, so it can be used as a higher-performance drop-in replacement for those boards in many applications.

The DRV8825 features adjustable current limiting, overcurrent and overtemperature protection, and six microstep 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).

Specifications

– 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
– 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
– 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

drv8825.jpg

Datasheet: DRV8825

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