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TPS65190: Does TPS65910/2 at VGH=9V operate properly as level-shifter?

Part Number: TPS65190
Other Parts Discussed in Thread: TPS65192

Hi LCD team,

    My customer is thinking to use TPS65190 at VGH=9V.
    How is VGH_min for operation?

DataSheet recomends Op condition of VGH=12Vmin 30Vtyp 38Vmax.
But I think it will work at VGH=9V, because of TPS65192 DS Fig23,
Block Diagram shows PMOS(hi-side) + NMOS(lo-side) and gate control.
It looks VGH=9V maybe enough for Vgs(PMOS) plus control output.

Any comment applreciated,
Please advice me,
Matsuro/TIj CSC