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TPS51285A: TPS51285A ---- high low side MOSFET damage issie

Eric Lo72350
Intellectual 915 points
Part Number: TPS51285A
Other Parts Discussed in Thread: CSD87331Q3D,

Hi

We have an project design TPS51285A and I am debugging of damaging high-low side MOSFET (CSD87331Q3D, U70 of attached schematic). Below is the SW waveform, the voltage is not over MOSFET spec. so any suggestion from BU?

 



 

 

TPS51285A_schematic.pdf