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RE: DRV8818: Vcc logic supply voltage level

Hi Cory,

What is the voltage you plan to supply to the DRV8818? What is the stepper motor current requirements?

If you are supplying <7.5V to the DRV8818 VM pin, the voltage is below the undervoltage value and may disable the outputs. There are other devices available for lower voltage ranges. The DRV8846 can operate from 4 to 18V while the DRV8834 can operate from 2.7 to 10.8V.

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