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TPS2052B: What's the OC pin status during at the beginning of Vin power up

Prodigy 570 points

Replies: 2

Views: 73

Part Number: TPS2052B

Hi,

As shown in the waveform below, blue trace is Vin and yellow trace is OC1 pin. OC1 pin was pull up by a 10k resistor to Vin. OC1 is a open drain. Typically when Vin power up and no over current triggered (no load actually), OC1 should be high with a short delay follow Vin.

In the waveform below, OC1 delay 8ms than Vin. Is it a normal performance of OC1 pin delay 8ms?

  • Hi,

    Will reply to you soon.

    Thanks.

  • In reply to Ziv Zhang:

    Hi Allen,

    Kevin is working on this.

    For TI's policy, I will first click resolved button.

    If you have any other concern, contact me any time.

    If you think resolved, please help click 'Issue is solved button'.

    Thanks.

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