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BQ24640 dead time

Johnny Guo
Expert 4910 points
Other Parts Discussed in Thread: BQ24640

hi, team,

I have one question about BQ24640 dead time test.
In datasheet, the dead time is 30ns. But b datasheet waveform, dead time is <30ns.

Also in customer's test result, the dead time is 14.4ns (HS ON->OFF, LS OFF->ON) and 25.5ns (LS ON->OFF, HS OFF->ON). 

 

I just need your confirmation whether it is right about the real test result of dead time compared with datasheet spec. And is there any risk for this?

Thanks.

Johnny