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INA220: Could you please help explain the below description in datasheet?

Wilson Guo11
Prodigy 570 points
Part Number: INA220
Other Parts Discussed in Thread: INA219

Hi team,

Could you please help explain below description in datasheet? Bus voltage is measured from this pin to ground. I think BUS voltage should be measured from VBUS to GND. Look forward to your kindly reply.

Best regards,

Wilson

  • 0
    TI__Mastermind 27010 points
    Hello Wilson,

    Thanks for the catch. You are correct. For the INA220, bus voltage is measured from VBUS pin to GND.

    The incorrect wording came from the similar INA219's datasheet where bus voltage is measured at IN- pin.

    We will work to remedy/remove this wording from the datasheet as soon as possible.

    Thanks,
    Peter