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TPS54625: Component locked, VREG5 at GND

Part Number: TPS54625

Hello

We have troubles using the TPS54625.

At first use or after a few uses, the VREG5 pin becomes internaly short-circuited with the GND and the output voltage stay at 0. A short-circuit between the GND and the Vout can appear too.

The TSP54635 used to work perfectly on our PCB and this problem appeared only on our last batch.

Regards,

Thibaud Deffayet