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INA233: VBUS pin question

Zhihao Su
Prodigy 490 points
Part Number: INA233


Hi Team,

I'd like to consult that what is the difference between VBUS connecting to IN - and connecting to INA+？

  • 0
    TI__Expert 6602 points

    Hi Zhihao, 

    They are basically the same thing. The only difference would be that with VBUS connected to IN-, it is taking the voltage drop across your shunt resistor into account. The voltage drop should be negligible depending on your shunt resistor. 

    Best, 

    Mohamed