Pololu DRV8434 Stepper Motor Driver Carrier (4.5-48V, 1.2A)

PololuSKU: RB-Pol-1079
Manufacturer #: 3762

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Description

  • Pololu DRV8434 Microstepping Stepper Motor Driver (4.5-48V, 1.2A)
  • Precise 1/256 micro-stepping
  • Smart tune current regulation
  • Versatile 4.5-48V range
  • Built-in safety features
  • Easy A4988 substitution

The Pololu DRV8434 Microstepping Stepper Motor Driver (4.5-48V, 1.2A) is designed to facilitate precise control of bipolar stepper motors. This advanced breakout board is capable of micro-stepping down to 1/256 step, ensuring smooth and accurate motor operation. The driver is equipped with inputs for decay mode configuration and features two smart tune current regulation modes, which eliminate the need for manual tuning to achieve smooth steps.

The interface of this module is highly compatible with that of the widely-used A4988 carriers, allowing for easy substitution in numerous applications. Additionally, the DRV8434 driver is engineered with built-in safeguards to protect against under-voltage, over-current, and over-temperature conditions, ensuring reliable performance and longevity of the device.

Please note that this product should be handled with care, as improper use may lead to damage not covered by any form of guarantee.

  • 1x Pololu DRV8434 Stepper Motor Driver Carrier
  • 1x 1x16-pin breakaway 0.1-inch male header

0.6 x 0.8 inch (L x W)

  • Supply voltage range: 4.5 to 48 V
  • Continuous per phase current delivery: 1.2 A (2 A peak) without additional cooling
  • Built-in regulator eliminates need for external logic voltage supply
  • Compatible with 1.8 V, 3 V, and 5 V systems
  • Simple step and direction control interface
  • Eleven different step resolutions available
  • Adjustable current control for setting maximum current output
  • Six decay modes, including two smart tune current regulation modes
  • Over-temperature thermal shutdown, over-current protection, open load detection, under-voltage lockout, and charge pump over-voltage protection
  • Spread spectrum clocking and charge pump for reduced EMI
  • 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 A4988 stepper motor driver carriers in most respects
  • Weight: 1.3 g

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