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DRV2667EVM-CT: application suggestion

FRANK1
Expert 8535 points
Part Number: DRV2667EVM-CT

Hi sir,

I would like to consult your product "DRV2667EVM-CT"
If I want to use it in Piezo actuator.
Can be achieve controlled vibration ?

In my impression, we consider the case that two objects are connected by Piezon actuator,
and the vibration of one side is transmitted through Piezon actuator,
it is thought that the vibration is absorbed in the piezo actuator by the vibration of the opposite phase with the input vibration.

Is this control possible?
Thanks.

  • +1
    TI__Mastermind 18545 points

    Hello, 

    Are you talking about applying a signal to the Piezo that is opposite phase in order to cause braking on the vibration? If so, this can be achieved but the braking portion of the waveform needs to be carefully designed to not introduce vibration that is the opposite phase of the original waveform. It is best to test this over multiple actuators to ensure the performance is consistent. 

    Best, 

    Justin Beigel