TPS65987D: apply question

user6188667

Part Number: TPS65987D

Hi ：

We first made the TYPE-C solution, and now it is found that the PP-HV2 of the TPS65987D pulls the power supply 5V（ Aways power ）low at power-on.Is the software setting problem causing chip protection? Please help check if our software configuration is OK?The application of our TYPE-C is mainly the switching of USB/DP signals. In DP mode, it needs to output 5V power for DP monitor.Attachment is schematic and PP HV configuration table.USB-C1.pdf

Fùjiàn shì yuánlǐ tú yǐjí PP HV pèizhì biǎo

Attachment is schematic and PP HV configuration table

over 5 years ago

0 user6188667 over 5 years ago

Intellectual 290 points

I found the root cause thanks.

0 Adam Mc Gaffin over 5 years ago in reply to user6188667

TI__Mastermind 30000 points

Glad you were able to find the root cause. Would you be able to elaborate on what the issue was? In case someone else has a similar issue, and can use this thread to help.

0 user6188667 over 5 years ago in reply to Adam Mc Gaffin

Intellectual 290 points

Hi:

Sorry to make a mistake in the motherboard, please help check when VIN_3V3 to power on,where the problem caused directly pull PP_HV2 down to 33ohm.

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TPS65987D: apply question