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  • TI Thinks Resolved

INA260: INA260

Prodigy 140 points

Replies: 1

Views: 22

Part Number: INA260

Is there an impact on current sensing connecting the VBUS pin to IN- instead of IN+ ?

Thx & regards

MW

  • Hi MW,

    For all practical purposes, there is no difference connecting to IN- versus connecting to IN+.

    Connecting to IN- excludes the shunt voltage from the Bus voltage measurements, and the resulting Bus voltage is the actual voltage dropped across the load. As a result measured power is closer to the power actually delivered to the load.

    Given that shunt voltage is much smaller than Bus voltage in most applications, connecting to IN- or IN+ makes little difference.

    There are other minor differences of even less importance, they can be ignored. You have the freedom to connect to either.

    Regards, Guang

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