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UCD90160: Power sequencer schematic review

Helen Lin
Prodigy 120 points
Part Number: UCD90160


Hi TI service team,

We have UCD90160 application for power enable and GPIO.

Please help to review the schematic.

  1. Is it correct for Open drain use? GPIO17,GPIO18, GPIO19, GPIO20, GPIO21, GPIO22
  2. All of the power rail in VMON are under 2.5V, does it need the RLOAD 4K-Ohm?
  3. I found the datasheet about UCD9xxx series VMON pin need the decoupling, C900- C915 are for this.

Please kindly let us know whether need to update/ alter. Thanks.

4645.UCD90160.pdf