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TPS2124: design question

Tommy Tzeng
Genius 5790 points
Part Number: TPS2124

Tool/software:

Hi Team,

1. Since the output voltage of the GPIO of my SOC is 1.8V, is it enough to control the SEL Pin?

2. The circuit design of PR1 can be connected to OV1 in the datasheet, but in EVB it is a separate design voltage dividing point, What is the actual suggestion?

3. from table 2,  if we currently set PR1 to 0, it will enter VCOMP mode.Is SEL useful at this time? Or should we use other designs?

  • 0
    TI__Guru* 79181 points

    Hi Tommy,

    Let me check on this.

    Regards

    Kunal Goel

  • 0 in reply to Kunal Goel
    TI__Guru* 79181 points

    Hi Tommy,

    1. Since the output voltage of the GPIO of my SOC is 1.8V, is it enough to control the SEL Pin? YES.

    2.  The circuit design of PR1 can be connected to OV1 in the datasheet, but in EVB it is a separate design voltage dividing point, What is the actual suggestion? PR1 and OV should have separate connections.

    3.  from table 2, if we currently set PR1 to 0, it will enter VCOMP mode. Is SEL useful at this time? Or should we use other designs?

    SEL should be low. 

    Regards

    Kunal Goel