Stepper Motor Driver Module Allegro A3967 max. 30V 0.75A


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The A3967SLB is a complete microstepping motor driver withbuilt-in translator. It is designed to operate bipolar stepper motors infull-, half-, quarter-, and eighth-step modes, with output drive capabilityof 30 V and 750 mA. The A3967SLB includes a fixed off-timecurrent regulator that has the ability to operate in slow, fast, or mixedcurrent-decay modes.
This current-decay control scheme results inreduced audible motor noise, increased step accuracy, and reducedpower dissipation.
The translator is the key to the easy implementation of theA3967SLB. By simply inputting one pulse on the STEP input themotor will take one step (full, half, quarter, or eighth depending on twologic inputs).
There are no phase-sequence tables, high-frequencycontrol lines, or complex interfaces to program. The A3967SLBinterface is an ideal fit for applications where a complex P is unavailableor over-burdened.
Internal circuit protection includes thermal shutdown with hysteresis,under-voltage lockout (UVLO) and crossover-current protection.
Special power-up sequencing is not required.
750 mA, 30 V Output Rating
Satlington Sink Drivers
Automatic Current-Decay Mode Detection/Selection
3.0 V to 5.5 V Logic Supply Voltage Range
Mixed, Fast, and Slow Current-Decay Modes
Internal UVLO and Thermal Shutdown Circuitry
Crossover-Current Protection
Easy to hook up, easy to use. Many sources with instructions and code available online.

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