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Original question:

INA293: INA293

INA293: ina293

Abba Fardoun
Prodigy 50 points
Part Number: INA293

Tool/software:

The safety document states, "In high-side configuration, device power supply shorted to bus supply, which may cause damage if high voltage is present.".   I would like to quantify high voltage.  I am using a supply voltage of 5.5 V.  The absolute max differential input between In+ & IN- is 6V.  Does it mean if IN+ or IN- is shorted to 5.5V supply the IC will fail but it will not distruct? or the differential input is VHi (e.g.12V) - Vs= 12-5.5=6.5V. in this case it exceeds the max differential voltage. I appreciate your feedback

  • 0
    TI__Expert 5630 points

    Hi Abba,

    That table is mentioning if the Vs pin gets shorted to the IN+ or IN- pins. If you look at the absolute maximum ratings table in the DS (shown below) it shows that the VS pin can only handle up to 22V before there is damage. If the common mode voltage across the IN+/IN- pins is greater than 22V and the VS pin gets shorted to one of those pins then there could be damage. 

    Best,

    Holly