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TPA3110D2-Q1: thermal shutdown mechanism

Takao Yamamoto
Genius 4135 points

Dear all,

How will this device do when thermal shutdown in SDB=Low.

I think that there will be nothing changed because thermal shutdown function just make output FET off.

Is my idea correct?

Are there other function / indication at thermal shutdown?

Best regards,

  • 0
    TI__Mastermind 23810 points
    Yamamoto-san,

    That is correct. There is nothing the device can do to protect itself if the temperature exceeds the thermal shutdown temperature while the device is in shutdown mode. This would mean that the ambient temperature was above the maximum ambient temperature ratings, so the device could be damaged or have a shorter life expectancy depending on the temperature.

    Thanks,

    -Clancy