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TPD3S714-Q1: Surge tolerance

Kuramochi Tadahiko
Guru 28715 points
Part Number: TPD3S714-Q1

Hi,

I received the question from my customer.

Does the TPD3S714-Q1 have the result passing the surge test of ISO7637-2?

The test is p.15~16 of the attached file（section 5.6.3 (Test pulses 3a and 3b)）.

3438.ISO 7637-2-2011.pdf

And please let me know how to pass the surge test of ISO7637-2 on the USB charger if you have information.

Best Regards,

Kuramochi

  • 0
    TI__Guru 73052 points
    Kuramochi-san,

    This thread has been moved to the Circuit Protection forum for more appropriate support.

    Regards,
  • 0 in reply to Eric Hackett
    Guru 28715 points
    how about this situation?
  • 0
    TI__Expert 3465 points
    Kuramochi-san,

    Regarding this specific ISO testing, I am not seeing any fulfillment of the ISO requirements in the datasheet. The TPD3S714-Q1 is only rated for ISO 10605, (www.iso.org/.../catalogue_detail.htm. This particular standard pertains to ESD strikes, unlike the ISO 7637 which is focused on pulse testing.

    As far as how to pass this standard, my recommendation would be to try the attached test on the TPD3S714-Q1 to see if the results are sufficient. I will say that the ISO standard not being mentioned in the datasheet leads me to believe this standard was not tested for this device and therefore there is a good chance of failure while testing.

    I hope this helps!

    Very Respectfully,
    Brian Dempsey
  • 0 in reply to Brian Dempsey
    Guru 28715 points
    Brian-san,

    Thank you for your answer.

    Are there any USB protection device which has passed this ISO requirements?

    Best Regards,
    Kuramochi
  • 0 in reply to Kuramochi Tadahiko
    TI__Expert 3465 points
    Hi Kuramochi-san,

    The only devices I can find that comply with this ISO standard are automotive CAN devices. Unfortunately, I do not see any within the circuit protection devices.

    Very Respectfully,
    Brian Dempsey