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Question for Input signal format of TPS65198

Eric Kim1
Prodigy 170 points
Other Parts Discussed in Thread: TPS65198

Hi team,

 

LG Display have a question for the input signal format of TPS65198.

 

LG Display want to know  whether the below input signal can generate the Level shifter output as attached files.

 

 

Thanks and regards,Question for TPS65198 Input signal format.xlsx

  • 0
    TI__Intellectual 1065 points

    Hallo Eric,

    No, it's not possible to use the waveform as LG Display propose. The TPS65198 internal logic uses three flip-flops configured as a Johnson counter to generate the six clock phases. The Q and /Q outputs of the three flip-flops are the six clock phases, but this arrangement means that only three clock phases can be high at the same time. In LG Display's application they want to have all six clock phases high at the same time – something the TPS65198 cannot do.