The circuit shown in the figure is suggested by AllegroMicro (www.allegromicro.com) and consists of an active step motor control at the high level. The circuit has input compatible with TTL signals and is active at the high level. More information on this and more application circuits can be obtained on the company's website. For the SLA7032M the maximum output current is 1.5 A and for the SLA7033M the maximum current is 3 A. For both, the maximum motor voltage is 46 V and the component is supplied in an 18-pin SIL housing.
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