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TPS61090 - can toggle SYNC pin?

EvanLai
Prodigy 70 points
Other Parts Discussed in Thread: TPS61090

Becasue audio noise issue in skip mode, customer wants to switch SYNC pin dynamcally.

Could TPS61090 SYNC pin switch GND/High during operating randomly?

 

 

Regards,

Evan Lai

  • 0
    TI__Guru**** 166626 points

    While we do not expect this to be a problem, we have not tested this type of operation on this IC.  Also, we are aware of latch off situation that can occur on a more recently developed IC if you periodically pulse its SYNC pin at very low (<10Hz) frequencies.