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DRV2624: Differential output waveform format

Roy Chou1
Genius 12565 points
Part Number: DRV2624
Other Parts Discussed in Thread: DRV2625

Hi Team,

My customer asked us if we have haptic solution that used square wave output + filter to get sinewave output.

About our DRV2624/DRV2625, our differential voltage output are sinewave.

Regards,

Roy

  • 0
    TI__Genius 16870 points

    Hi Roy, 

    We don't have any haptic drivers that use square wave + filter to achieve a sinewave output.

    The auto resonance tracking algorithm would not be able to work correctly with a filter, because it needs to track the Bemf from the actuator directly.

    However if the customer needs a sine-wave output DRV2624/25 is a good choice because the output waveform can be selected as a square or sine wave using bit 0 of register 0x2c.

    Regards,

    Arthur