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- Manufacturer: Pololu
- Order number: EXP-R25-1374
- Manufacturer part number: 2876
- Availability: 5
- country of origin: US
- HS code: 85423190
- Weight (kg): 0.005
This product is a carrier board or breakout board for the STSPIN220 low-voltage stepper motor... more
This product is a carrier board or breakout board for the STSPIN220 low-voltage stepper motor driver from STMicroelectronics (ST); we therefore recommend careful reading of the STSPIN220 datasheet before using this product. This stepper motor driver offers microstep resolutions down to 1/256 of a step, and it lets you control one bipolar stepper motor at up to approximately 1.1 A per phase continuously without a heat sink or forced air flow. Here are some of the driver’s key features:
- Simple step and direction control interface
- Nine different step resolutions down to 256 microsteps: full-step, half-step, 1/4-step, 1/8-step, 1/16-step, 1/32-step, 1/64-step, 1/128-step, and 1/256-step
- Adjustable current control lets you set the maximum current output, which lets you use voltages above your stepper motor’s rated voltage to achieve higher step rates
- Motor supply voltage: 1.8 V to 10 V (for a higher-voltage alternative, consider the STSPIN820 carrier, which operates from 7 V to 45 V)
- Can deliver 1.1 A per phase continuously without additional cooling
- Can interface directly with 3.3 V and 5 V systems
- Over-temperature thermal shutdown, over-current shutdown, and short circuit protection
- 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 Pololu A4988 stepper motor driver carriers in most respects
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