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A4988 Stepper Motor Driver Carrier
This breakout board for Allegro’s A4988 microstepping bipolar stepper motor driver features adjustable current limiting, over-current and over-temperature protection, and five different microstep resolutions (down to 1/16-step). It operates from 8 V to 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). This board ships with 0.1″ male header pins included but not soldered in.
Alternatives available with variations in these parameter(s): header pins soldered? bulk packaged? Select variant…
Compare all products in A4988 Stepper Motor Driver Carriers or 16-pin Stepper Motor Drivers.
| Description | Specs (13) | Pictures (7) | Resources (8) | FAQs (4) | On the blog (4) | Distributors (66) |
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Dimensions
| Size: | 0.6″ × 0.8″ |
|---|---|
| Weight: | 1.3 g1 |
General specifications
| Minimum operating voltage: | 8 V |
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| Maximum operating voltage: | 35 V |
| Continuous current per phase: | 1 A2 |
| Maximum current per phase: | 2 A3 |
| Minimum logic voltage: | 3 V |
| Maximum logic voltage: | 5.5 V |
| Microstep resolutions: | full, 1/2, 1/4, 1/8, and 1/16 |
| Reverse voltage protection?: | N |
| Bulk packaged?: | N |
| Header pins soldered?: | N4 |
Identifying markings
| PCB dev codes: | md09b |
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Notes:
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