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TPS40050: What does it mean -Q1 suffix

Andres Gomez
Prodigy 200 points
Part Number: TPS40050

Hi.

What is the difference between TPS40050 and TPS40050-Q1 beside the latter is AEC Qualified and temperature range is -40 to +125. Is there a difference in performance calculation? Can I replace a TPS40050-Q1 with a TPS40050 without changing my circuit?

  • 0
    TI__Mastermind 48491 points

    Hello Andres 

    Unfortunately, it is not allowed to disclose the material differences between TPS40050 and TPS40050-Q1. Basically, The functionality of TPS40050 is similar/equal with TPS40050-Q1, but the reliability is different. TI made some upgrades on TPS40050-Q1 to be automotive qualified. 

    - Eric Lee

  • 0 in reply to EricLee
    Prodigy 200 points

    ok, but if a board using TPS40050-Q1 and it is working fine and I replace it with a TPS40050, does the outcome of TPS40050 will differ from -Q1 without making any difference in the circuit?

  • 0 in reply to Andres Gomez
    TI__Mastermind 48491 points

    Hello Andres 

    I think it works if the junction temperature is less than 85ºC and if there is enough design margin. 

    - Eric Lee

    Customers are responsible for component selections and layout design, as well as validating and testing their design implementation to confirm system functionality.