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INA226: Is INA226 direct mode or linear mode for register's value?

Ann_Lien
Genius 10640 points
Part Number: INA226

Hello expert,

May we know INA226 is direct mode or linear mode for register's value? Customer would like to double check for FW reading. Thanks a lot!!

Best regards,

Ann Lien

  • 0
    TI__Genius 10640 points

    Add picture for direct format for MP5023. They would like to know if INA226 is the same format as MP5023 or not. Thanks a lot!

    Best regards,

    Ann Lien

  • 0 in reply to Ann_Lien
    TI__Mastermind 27390 points

    Hi Ann Lien,

    INA226 register value conversion takes place in a different format than the example you provided.

    Its register values are proportional to the parameters (current/voltage/power) being reported. A multiplier would be applied to the register values in order to translate into physical readings in ampere, volt or watt.

    For example, to convert Bus voltage from the Bus Voltage register, simply multiply the decimal register value by 1.25mV. The resulting value would be Bus voltage in mV.
    Regards, Guang

  • 0 in reply to Guang Zhou
    TI__Genius 10640 points

    Hello Guang,

    May we know if you can provide excel for customer to calculate the value? Since datasheet equation is hard to calculate. Thanks!

    Best regards,

    Ann Lien

  • 0 in reply to Ann_Lien
    TI__Mastermind 27390 points

    Hi Ann Lien,

    We do provide an Excel calculator, and you can find it here, toward the bottom of the page.

    Please download and give it a try. If further assistance is needed, please let me know.
    Regards, Guang