The A4988 stepper motor driver carrier with voltage regulators is a breakout board for Allegro’s A4988 microstepping bipolar stepper motor driver. The board has two voltage regulators (5 V and 3.3 V), eliminating the need for separate logic and motor supplies. The driver features adjustable current limiting, overcurrent and overtemperature protection, and five different microstep resolutions (down to 1/16-step). It operates from 8 – 35 V and can deliver up to approximately 1 A per phase without a heat sink or forced air flow (it is rated for 2 A per coil with sufficient additional cooling).
Compare all products in Stepper Motor Drivers.
Dimensions
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Size:
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0.7″ × 1.4″
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Weight:
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3.3 g1
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General specifications
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Minimum operating voltage:
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8 V
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Maximum operating voltage:
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35 V
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Continuous current per phase:
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1 A2
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Maximum current per phase:
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2 A3
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Minimum logic voltage:
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3 V4
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Maximum logic voltage:
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5.5 V4
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Microstep resolutions:
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full, 1/2, 1/4, 1/8, and 1/16
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Reverse voltage protection?:
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Y5
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Notes:
- 1
- Without included optional headers.
- 2
- Without a heat sink or forced air flow.
- 3
- With sufficient additional cooling.
- 4
- Logic voltage can optionally be supplied from integrated voltage regulators.
- 5
- On motor supply voltage (VMOT) only.
