Pololu AMIS-30543 Stepper Motor Driver Carrier


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SKU: 1607668
  1. Compatible with 5 V and 3.3 V microcontrollers
  2. Integrated 5V regulator that can be used to supply an external microcontroller
  3. Integrated watchdog function
  4. Open coil detection
  5. Thermal warning indicates when the driver is close to the thermal shutdown temperature
  6. Over-current status and shutdown (short-to-ground and shorted-load protection)
  7. Reverse voltage protection


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Brand: Pololu
Category: Pololu Motor Drivers

This is an AMIS-30543 Stepper Motor Driver Carrier. This stepper motor driver lets you control one bipolar stepper motor at up to 3 A output current per coil. This is a breakout board for ON Semiconductor’s AMIS-30543 micro-stepping bipolar stepper motor driver, which features SPI-adjustable current limiting, 11 step modes (from full-step through 1/128-step), back-EMF feedback that can be used for stall detection or optional closed-loop control, and over-current and over-temperature protection. The board operates from 6 V to 30 V and can deliver up to approximately 1.8 A per phase without a heat sink or forced air flow (it is rated for 3 A per coil with sufficient additional cooling).

Note: For more technical data kindly refer to the attached datasheet


  1. Standard step and direction control interface
  2. SPI interface for configuring settings (e.g. step mode, current limit, sleep) and reading status registers
  3. Speed and load angle output that can be used for stall detection or closed-loop control of the torque and speed based on the load angle
  4. Eleven different step modes: full-step (uncompensated, compensated 1-phase, or compensated 2-phase), half-step (uncompensated or compensated), 1/4-step, 1/8-step, 1/16-step, 1/32-step, 1/64-step, and 1/128-step
  5. SPI-programmable current control (from 132 mA to 3 A) enables your microcontroller to adjust the peak-current limit on the fly as more or less torque or speed is needed
  6. Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay)
  7. Low-EMI PWM with SPI-selectable voltage slopes

Pololu Capture 10

Package Includes:

1 x Pololu AMIS-30543 Stepper Motor Driver Carrier

SKU: 1607668 Category:
Minimum operating voltage

6 V

Maximum operating voltage

30 V

Continuous current per phase

1.8 A

Maximum current per phase

3 A

Minimum logic voltage

2.5 V

Maximum logic voltage

5.5 V

Microstep resolutions

full, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128

Reverse voltage protection


Shipping Weight 0.015 kg
Shipping Dimensions 11 × 9 × 2 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: United States