TPS53667: VREF 1.7V start-up timing

K. Sasaki14

Guru 10200 points

Part Number: TPS53667

When does VREF voltage of TPS53667 start up?

Is it same timing with V3R3? or after V3R3?

Is VREF made from V3R3? or V5?

Best Regards,
Kohei Sasaki

over 7 years ago

0 Chasel Chen over 7 years ago

TI__Expert 5830 points

Hi Kohei,

VREF ramps up after V3R3.
Any issue you met?

Regards,
Chasel

0 K. Sasaki14 over 7 years ago in reply to Chasel Chen

Guru 10200 points

Chasel-san,

Thank you for your answer.
I have no issue about VREF, however I have met phase number setting issue as the following E2E post.
So I wanted to know device operation for solution of issue.

e2e.ti.com/.../702496

Best Regards,
Kohei Sasaki

Power management

Power management forum

TPS53667: VREF 1.7V start-up timing