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Tool/software:
Hi team,
Using the LLC reference design of TIDA-010062, it was found that when disabling PWM, the secondary synchronous rectification drive PWM will turn off a few cycles later than the primary LLC drive PWM. This situation does not always occur, but only occasionally occurs once or twice. Why?
Thanks & Best regards,
Jiahui
Hi Jiahui,
We can't repeat your question, as it is occasional and we don't know the trigger conditions.
You can try the different method with, enlarge the deadtime to full cylce to reduce the pulse to zero on both primary and secondary.