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TAS3251: How to design the power on/off sequence of TAS5825 and TAS3251?

Andrew Liu1
Prodigy 230 points
Part Number: TAS3251

Hello:
       How to design the power on/off sequence of TAS5825 and TAS3251?
       If we need to use some MOSFET to switch the PVDD, GVDD, DVDD, AVDD of TAS5825 and TAS3251?
       Any problem happened in your experience because of the  power on/off sequence ?
thanks;

  • 0
    TI__Mastermind 19080 points

    Hi Andrew,

    For TAS3251 power down sequence, please refer to chapter 8.3.11.2 on datasheet.

    For TAS5825 power down sequence, please refer to chapter 9.5.3.2 on datasheet.

    Power down sequence should be followed strictly, or there could be pop-noise or reliability risk.

    Regards,

    Sam