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TPS82130: TPS82130SIL failure

Part Number: TPS82130

Dear Sir/madam,

We’ve been getting a lot of TPS82130SIL failures in the customer units.

TPS82130SIL is shorted & we had to replace with the new IC to be back at -1.7V.

 

Below is the -1.7V circuit in our unit design. Any advice what could be the root cause of this failures?

 

Best regards,

kpk