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BQ25190: pin connections for unused buck, buck/boost, and LDO2

Sara Glick1
Prodigy 140 points
Part Number: BQ25190

Tool/software:

How should I connect the pins for the buck, buck/boost, and LDO2 if I don't plan to use them in my application? Can I leave them all floating? 

  • +1
    TI__Mastermind 18015 points

    Hi Sara,

    BKGND and BBGND should still be connected to GND. Other pins for the unused rails can be left disconnected and floating. This includes the SYS pins that correspond to the input pins for the switching rails:

    Best Regards,

    Juan Ospina