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BQ25898D: Thermal Shutdown temp higher than Max Junction temp

NY
Expert 3040 points
Part Number: BQ25898D

Hi team, 

my customer asking why thermal shutdown temp (at 160C) is higher than Max Junction temp rage. How this is designed to get the device safe. 

Best Regards, NY 

  • 0
    TI__Guru 57341 points

    Hi,

    Before thermal shutdown protection could be triggered, there are other protection features such as input current limit, system overcurrent limit, thermal regulations etc. Please refer to 9.2.14 Voltage and Current Monitoring in Buck and Boost Mode and 9.2.15 Battery Protection on the d/s for the details.

    Thanks,

    Ning.