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TPS62A02: soft-start circuit limits the inrush current.

David Kim2
Genius 3415 points
Part Number: TPS62A02


Tool/software:

Hi

The TPS62A02 has a smaller current limitation effect when inrush current is present compared to third-party products (MT3420). 

MT3420
Is there a way to make the current limiting effect of the TPS62A02A greater?
Or is there a product that has a better functionality?

Thanks

  • 0
    TI__Mastermind 19070 points

    Hi David, 

    Thank you for using E2E,

    David Kim2 said:
    The TPS62A02 has a smaller current limitation effect when inrush current is present compared to third-party products (MT3420). 

    Do you mean the inrush current during start-up or the current limit during steady state?

    Can you please share me the schematic.

    David Kim2 said:
    Is there a way to make the current limiting effect of the TPS62A02A greater?

    TPS62A02 has a typical high side FET current limit of 3.4A which is similar as MT3420. see below.

    TPS62A02:

    MT3420:

    David Kim2 said:
    Or is there a product that has a better functionality?

    Can you please provide me the requirements for your applications so that i can guide you to the suitable device.

    Thank you & regards,

    Moheddin.