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TPS2373: UPOE Fail

Part Number: TPS2373
Other Parts Discussed in Thread: TEST,

Hi Experts,

Customer used TPS2373-3 and failed with some UPOE PSE randomly. Do you have any idea what might be possible causes? 

In addition, there are two failed items in Sifos test, would you please have a look schematic and advise how to workaround it? 

class_sig_EV3-5_min

16.3

mA

class_sig_EV3-5_max

20.7

mA

Thanks,

Allan