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TLV62595: Damage problem

Rhea Gao
Expert 2135 points
Part Number: TLV62595

Hi，

I have a customer who uses TLV62595. TLV62595 is currently used in two projects, namely TPS54360BDDAR+TLV62595; TPS54527DDAR+TLV62595.However, 10pcs were found to be defective.

Application: TLV62595 is 5V input, 0.92V output.  The fault phenomena are: 5V input short circuit, no output, output impedance is incorrect.   The two items of the former level TPS54360BDDAR, TPS54527DDAR are output 5V.    They all tested fine and had multiple DCCS on the back end, like TLV62569DBV, only the TLV62595 was broken.

Attached are the related schematic diagram and PCB screenshot.   Please help to review and suggest where the problem is.

TPS54360BDDAR+TLV62595.zipTPS54527DDAR+TLV62595.zip   

Thanks!