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LM5088: LM5088-Q2 BCI-EMC Test

Part Number: LM5088
Other Parts Discussed in Thread: TIDA-01429

Hi eveyone,

We're using LM5088-Q2 to supply a board used in automotive. While testing SMPS with LM5088-Q2 for BCI-11452, it fails to run and resets.

We'have tried a common choke and filters with ferrite beads and capacitors connected to supply voltage but it can't be passed the test. It fails around 50MHz.

However, the circuit passes the test when not mounted SPMS.

Is there any solution to pass BCI test for LM5088?