Pololu DRV8834 Low-Voltage Stepper Motortreiber Carrier

Artikelnummer: PO2134

EAN: 4060137015106

Hersteller-Artikelnr.: 2134

This is a breakout board for TI?s DRV8834 microstepping bipolar stepper motor driver. It has a pinout and interface that are nearly identical to those of our A4988 carriers, so it can be used as a drop-in replacement for those boards in many applications. The DRV8834 operates from 2.5?10.8?V, allowing stepper motors to be powered with voltages that are too low for other drivers, and can deliver up to approximately 1.5?A per phase continuously without a heat sink or forced air flow (up to 2?A peak). It features adjustable current limiting, overcurrent and overtemperature protection, and six microstep resolutions (down to 1/32-step). This board ships with 0.1? male header pins included but not soldered in.

Kategorie: Schrittmotorentreiber


4,99 €

inkl. 19% USt.,

sofort verfügbar

Lieferzeit: 1 bis 2 Tage



Beschreibung

Overview

This product is a carrier board or breakout board for TI’s DRV8834 low-voltage stepper motor driver; we therefore recommend careful reading of the DRV8834 datasheet (2MB pdf) before using this product. This stepper motor driver lets you control one bipolar stepper motor at up to 2 A output current per coil (see the Power Dissipation Considerations section below for more information). Here are some of the driver’s key 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)
  • 2.5-10.8 V supply voltage range
  • 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, short-to-supply, 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 (see the bottom of this page for more information)

This product ships with all surface-mount components—including the DRV8834 driver IC—installed as shown in the product picture.

For alternative, pin-compatible stepper motor drivers that work with higher motor supply voltages, consider our DRV8825 carrier, DRV8824 carrier, DRV8880 carrier, and A4988 carrier (also available in a Black Edition and a version with voltage regulators).

Some unipolar stepper motors (e.g. those with six or eight leads) can be controlled by this driver as bipolar stepper motors. For more information, please see the frequently asked questions. Unipolar motors with five leads cannot be used with this driver.

Included hardware

The DRV8834 stepper motor driver carrier ships with one 1×16-pin breakaway 0.1"" male header. The headers can be soldered in for use with solderless breadboards or 0.1"" female connectors. You can also solder your motor leads and other connections directly to the board.

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4 bestellt, am 25.09.2017 erwartet