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TAS2557EVM: PPC3 setting

Part Number: TAS2557EVM

Made 2 PPC files, monitoring the temperature,

Played the same music, one, the temperature always keeps the same level, the other has big variance. what caused that results?

 

  • Hi, Chrsty,

    Welcome to E2E and thank you for your interest in our products!

    Our team will take a look at this thread and will answer as soon as possible.

    Best regards,
    Luis Fernando Rodríguez S.

  • Hi Christy,

    What are the differences between the two files? Are you using the same speaker char data?
    If the char data or processing settings like protection or EQ are different, the output will change for the same audio file.

    The estimated excursion is also different on the captures. 

    Best regards,
    -Ivan Salazar
    Applications Engineer - Low Power Audio & Actuators

  • Hi Ivan,

    The two based on the same speaker cher, the one with variance selected smart bass, the flat one adjust EQ manually. We'd like to know which configuration caused that difference. Since sometimes we saw the temperature is over limit, we don't know if it damages the speaker with that configuration. How could I compare two PPC3 files?

    Thanks!

    Christy

  • Christy,

    Did you performed the speaker characterization successfully? What is the speaker you're using?
    Could you specify when the temp goes over the limit? Like device configuration, audio being played

    Could you please share your ppc3 file and if possible the audio file you're using for veritication?

    Best regards,
    -Ivan Salazar
    Applications Engineer - Low Power Audio & Actuators

  • Hi Ivan,

    The characterization process run successfully, but found the coil temprature is higher than the speaker spec, over 100C but we set temperature limit to 85C. What caused that and how to adjust?

    I sent you the PPC3 file by mail, seems I can't attach here.

    Thanks!

    Christy

  • Hi Christy,

    I'm following up over the email thread we have internally.

    Best regards,
    -Ivan Salazar
    Applications Engineer - Low Power Audio & Actuators