DRV8825 Stepper Motor Controller

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Product Code: 91634
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Product Description
  • 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
  • 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 protection
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DRV8825 Stepper Motor Controller info

DRV8825 Stepper Motor Controller 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 the 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, overcurrent and overtemperature protection, and six microstep resolutions (down to 1/32-step). The board 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).

Adjustable current control on DRV8825 Stepper Motor Controller 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

 

Microstepping Table:

MODE0

MODE1

MODE2

Microstep

Low

Low

Low

Full step

High

Low

Low

Half step

Low

High

Low

1/4 step

High

High

Low

1/8 step

Low

Low

High

1/16 step

High

Low

High

1/32 step

Low

High

High

1/32 step

High

High

High

1/32 step

 

DRV8825 Stepper Motor Controller - General 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
  • 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 protection

 

DRV8825 Stepper Motor Controller - Technical Specifications

  • Motor Voltage: 8,2V – 45V
  • Microstepping: Up to 1/32-step
  • Motor Current per Phase: Up to 1.5A without cooling, 2,2A with sufficient cooling

 

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