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TRF7970A: P1060898(TRF7970ARHBR)NFC test fail FA require

Part Number: TRF7970A

PCBA function(NFC Write And Read Test Fail) test fail happen on Jabil GZ site ,this IC(TRF7970ARHBR) help to drive the NFC function ;We can't find any abnormal on our side ,then after ABA change the raw IC(TRF7970ARHBR), the phenomenon were gone, we need your help to do a further analysis with the defect samples, is that something went wrong with this drive IC after our SMT process? And what will be the possible cause ?thanks.