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TPS2052B: Leakage current OUT pin

Part Number: TPS2052B

Hi,

Good day.

Our customer would like to know how large is leakage current from OUT pin when the switch is disabled?

Thanks,

Cedrick

  • Hi, Cedrick,

    The typical value is 0uA. Below is screenshot of datasheet FYI.

    Regards,
    Bob

  • Hi Bob,

    Thank you for this information.

    you mentioned "reverse leakage current". I guess that this is a current which flows into OUT pin when pin IN = ground.
    However I am interested in a current which flows from OUT pin (from TPS2052B) when IN = 5 V and EN = 0 V (switch disabled).

    Can you please help me here?


    Thanks,

    Cedrick

  • Hi, Cedrick,

    These should be same. During both condition, the switch is disabled and the current is measured from OUT pin. I don't think the IN=GND or IN=5V will make difference because when IN=GND, the reverse current is already 0.

    Bob

  • Hi, Cedrick,

    Since no more reply, I will close this thread first. Let me know if you have further questions.

    If you think I have resolved your questions, please click the resolved button.

    Thanks.

    Bob

  • Hi Bob,

    Good day.

    I've got a response from our customer, kindly see below.

    thank you for the feedback.

    I was doing some measurements with TPS2052B.
    Voltage of 5 V was present at IN pin and 0 V at EN pin (switch diasbled). There was only capacitive load at the output (about 50 uF) and I observed that the output voltage was slowly increasing. That is why I thought that there must be at least some minimal leakage current from OUT pin which charges the output capacitors.

    What do you think?

    Regards,

    Cedrick

  • Hi, Cedrick,

    I assigned it to Ziv for further investigation.

    Thank you.

    Bob

  • Hi Cedrick,

    If there is constant leakage current, the output voltage should increase until 5V.

    So I think it's just some static charging.

    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.