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BQ25883: VSYS output waveform

Part Number: BQ25883

Hi TI team,

Regarding “only 5V VBUS presence” condition, what register settings I shall write into BQ28883 to avoid its transient frequency switching (see the attached VSYS waveform)

and corresponding coil whine (at least I felt the whine sound was significantly audible)?

Thank you very much,