stepper motor driver circuit diagram

  
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Using L297-L298 integrated circuits manufactured by SGS Thomson (ST) can be made a control circuit for a stepper motor with two phase bipolar or unipolar four-phase (maximum current allowed on stage is 2 A). This integrated motor driver generates control signals for the double stator and allows selection of travel direction and execution of a full
stepper motor driver circuit diagram - schematic

step or half step, through proper planning its inputs, TTL compatible. Another component of the assembly, IC3 divider, is designed to provide the clock signal when the output of the computer could be programmed to branch to step frequency required. Order cycle for a given signal SYNC divider taken from L297, and the block of jumpers K1 allows selecting one of the 7 available clock frequency (frequency step). 5 and 40 V power supply should not be stabilized but is required filtering. Maximum frequency of the steps increases with voltage, but not exceeded its limit of 40 V.



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