Dear Expert
We found in customer side different batches lead to failure .The failure rate is 100% ！Could u give us some adivice about these ?
↓Use such marking TI part 100% failed at final test. （ body info: “1C5X ”, Marking:”M6P”) , checked with supplier such marking part made in China.
↓Replaced by Such marking TI part from another source（ body info: “9C TI ”, Marking:”M6P）, tried 2unit both are passed the test.
Please see the following information for details.
Application schematic:
The failure waveform for top mark is 1C5X part:
CH1: Input+(pin5) CH2:Input-(pin6) CH3: Output(pin7)
Waveform for U702(Test pass: use part with TI logo)
CH1: Input+(pin5) CH2:Input-(pin6) CH3: Output(pin7)
