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TLIN2021-Q1: BCI testing

Part Number: TLIN2021-Q1

Hi team 

When the customer conducted BCI testing in accordance with ISO11452-4-2020 standard, they found that the device failed to operate normally under the test condition of 200mA injection. How to improve the BCI performance of TLIN2021? The customer plans to add a filtering circuit on the LIN bus. I have attached the schematics. Please help to review it.

lin2021.png