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DRV2667EVM-CT: Correct operation for a constant voltage to the piezoelectric crystal

Ariel Etinger
Prodigy 10 points
Part Number: DRV2667EVM-CT
Other Parts Discussed in Thread: DRV2700, DRV2667

Hi

We started working with the development board below
In favor of activating a piezoelectric crystal
Our crystal requires a constant and stable voltage in favor of its bending
When we turned on the driver we saw that it outputs a momentary voltage
Is there a way to turn it on so that it outputs a constant voltage?
Thank you and good day
Ariel

  • 0
    TI__Genius 9180 points

    Hi Ariel,

    Thanks for reaching out. This is not possible with the internal signal generator on the DRV2667, but you could do this by supplying an analog signal externally. If you decide to do this, I recommend looking into DRV2700. 

    Regards,
    Sydney Northcutt