TPS62867: Soft Start Time

Wills Chou

Part Number: TPS62867
Other Parts Discussed in Thread: TPS62816-Q1, TPS62870, TPS54618

Hi TI,

Could TPS62867 disable tDelay and fast tRamp?

I'd like to turn on the power faster when EN is high.

0 Chris Glaser 7 months ago

Hi,

No, this is not possible. What is your startup time requirement? Do you need to support a 6A load?

Other 6A devices that startup faster are TPS62816-Q1 and TPS62870.

Chris

0 Wills Chou 7 months ago in reply to Chris Glaser

The requirement is 0.5ms could finish ramp-up after EN is asserted.

Is there any suggestion about TI's solution?

I'll check start-up timing of these two parts.

0 Chris Glaser 7 months ago in reply to Wills Chou

Thank you for sharing your SS time need.

TPS62816-Q1 and TPS54618 have faster startup. Would either of these work for your application?

Chris

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