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DRV8871: V_ILIM Range table vs chart

Paul_Marco
Prodigy 165 points
Part Number: DRV8871

Hi,

We would like to tune the current limiting resistor to a very specific value, but the V_ILIM ranges are different between the chart and the graph.

Why the discrepancy?

(We're really hoping we can go off of the ~63.5-64.5kV from the temperature chart)

  • 0
    TI__Expert 8985 points
    Hi Paul,

    The Electrical Specification for the Vilim parameter has three values: minimum, typical, and maximum with test temperature 25 C.

    The Vilim graphed in Figure 2 is the typical value. This can be proved when you look at the graph point of when the Temperature is 25 C and the Vilim is 64 kV.

    Therefore, there is no discrepancy.