My customer would like clarification on the following: Is the gate drive current controlled or do the different IDRIVE settings just change the source/sink resistance? It's a little unclear because of the inclusion of both current and resistance specs and the feature description doesn’t have much detail in the preliminary datasheet.
I think the gate driver current is controlled by the different IDRIVE settings, but the source pullup / sink pulldown resistances are slightly different due to RDSon characteristics of the different predriver MOSFETs needed for the different gate drive current settings (as shown in Figure 2-1 of this app note: https://www.ti.com/lit/an/slva714d/slva714d.pdf).
Thanks.
Alan