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TPS61372: About A3 pin connection

Kaji@PAN
Mastermind 7815 points
Part Number: TPS61372

Hello,

I would like to ask you about TPS61372.
In the board I designed, the A3 pin of this device is left unconnected.
The explanation in the data sheet says that this pin is NC, but there is a description that it is connected directly to VIN.
(Question)
What problems will occur if I don't connect the A3 pin to VIN?
Is the A3 pin connected to some kind of circuit internally rather than NC?

Best regards,

  • +1
    TI__Genius 16325 points

    Hi Kaji

    In the A3 pin there are reserved circuits but not used in this version.

    When connected to Gnd or Not connected, the device will work in an abnormal way.

    It is recommended to connect to Vin to ensure normal work.

    Regards

    Fergus