TPS54527: and TPS54327 about rising waveform

T Kishi

Part Number: TPS54527
Other Parts Discussed in Thread: TPS54327

My Customer has question.

When the customer check the rising waveform, customer found an interesting point.
Currently this waveform is not a problem,
Will not you get advice on whether this waveform is working properly?

TPS54527_54327.pdf

Best Regard

T Kishi

over 6 years ago

0 Gavin Wang (Zejing) over 6 years ago

TI__Expert 3480 points

Pls put together Vo, Vin, inductor current in one page.

0 T Kishi over 6 years ago in reply to Gavin Wang (Zejing)

Genius 4425 points

Hi Gavin

Thank you for reply.

please confirm the attachment.

※ TPS54327① was 2.5 V instead of 0.95 V, so I am correcting it.

TPS54527_54327_2.pdf

Regard

T Kishi

0 Vental Mao over 6 years ago in reply to T Kishi

TI__Expert 5745 points

pls add the SW waveform into you screen. I think maybe the in-homogeneous SW cause this shaking.

0 T Kishi over 6 years ago in reply to Vental Mao

Genius 4425 points

Hi Vental

I measured the SW waveform and I will attach it.

I will be saved if you can comment.

TPS54527_54327_3.pdf

0 Vental Mao over 6 years ago in reply to T Kishi

TI__Expert 5745 points

the reason about the shake is what i told before and you also can refer this note for details. Thank you!

Power management

Power management forum

TPS54527: and TPS54327 about rising waveform