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LM5155-Q1: UVLO Pin

Viktorija Cecil
Mastermind 18491 points
Part Number: LM5155-Q1

Team, 

Can my customer use UVLO Pin like an enable line and drive it with a DIO from their MCU?

Or do they need this connected to the VCC?

They would prefer to run it off of a DIO and then be able to rely on the MCU to shut it down in the event of an under voltage on the battery. 

Thanks

Viktorija

  • 0
    TI__Guru* 78220 points
    Hi Viktrorija,

    Thank you for considering the LM5155-Q1. Yes it can be done, and it is one way to use the pin. Just make sure your DIO voltage level can meet the UVLO pin threshold.

    Thanks,
    Youhao Xi, Applications Engineering