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DRV2667: Piezo Driver to Drive a Capacitive Load of max 2uF

Keshava H V
Prodigy 20 points
Part Number: DRV2667

Tool/software:

Hello,

I am trying to drive a Piezo Stack with Capacitance of 1.8uF max at 120Vpeak.  We need to Drive the Piezo at 2Khz frequency.

We are not able to drive with DRV2667 EVM please let us know if we can drive the mentioned Load and what changes are required to be made to drive the Piezo.

Regards, 

Keshava H V

  • 0
    TI__Mastermind 18985 points

    Hi Keshava, 

    We do not have any IC which will be able to drive that load at 120V peak and 2kHz.

    you need some device which can deliver almost 3Amps at 120V. You will very likely need to look into a discrete solution.

    Regards,

    Arthur