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TPS2491: OUT Pin was left open

Part Number: TPS2491

Hello team,

Hope you are doing well. Please see below customer question:

We are using the TPS2491 in a design that is now in production. I discovered a design problem on our side.  I need to understand the severity of the issue to advise whether product needs to be recalled for rework. I have copied the relevant schematic section below.   We have built a number of modules so far that work ok, but recently discovered that Pin 7 of the TPS2491 was left floating.   It seems to sit at about 13.6V. The PG pin is Open Drain and R6 is able to pull up Q3 to turn on the DC/DC converter.   R12 is pulled down very close to 0 Volts and this turns on the power supply which uses Active Low Enables. My question is whether this is considered normal or if we should expect it to change over time?   We need to determine if these modules should be recalled for rework to prevent unintended power shutdown.

This is the response the customer got from e2e but did not help.

-Customer feedback: However since we don't have the OUT pin connected I am still not sure if that is true. We have modules built using this design and all power up, some running for 6-9 months now, but recently one of the original modules would not power up and I found that the OUT pin was not floating at 13V, but rather around 6V.  With that condition, PG was low and the subsequent DC/DC converter is off.