TPS23730: outdoor surge protection at 8kV and 10kV

Dima Grinko

Prodigy 230 points

Part Number: TPS23730
Other Parts Discussed in Thread: TIDA-01411

Hello team,

my customer asked if there are guidelines for PoE PD outdoor surge protection at 8kV and 10kV

I found guidelines only for 4kV at Lightning Surge Considerations for PoE Powered Devices

Thanks,

Dima

over 2 years ago

0 Michael Pahl over 2 years ago

TI__Mastermind 21320 points

Hello Dima,

I have never seen an 8kV or 10kV rated design for PoE. can you tell me more about this application?

We have a 6kV rated PSE design that would have the parts we would recommend to use in a PD design: TIDA-01411

If this post answers your question, please indicate so by marking this thread as resolved. Thank you.

Regards,

Michael P.

Applications Engineer

Texas Instruments

0 Dima Grinko over 2 years ago in reply to Michael Pahl

TI__Prodigy 230 points

Hi Michael,

The application is outdoor power supply and data, The PD will be outdoor and should be protected, the PSE will be indoor.

customer saw the 6kV design, but requires 8kV protection

are there any guidelines available?

Regards,

Dima

+1 Michael Pahl over 2 years ago in reply to Dima Grinko

TI__Mastermind 21320 points

Hey Dima,

Since we never see this before, we don't have a specific part number recommendation. However, we have the following application note on Surge protection for PoE PD's

https://www.ti.com/lit/an/slua736/slua736.pdf?ts=1631200223551&ref_url=https%253A%252F%252Fwww.google.com%252F

I would suggest implementing all of the SPD's in Figure 5 but use parts that are 8kV rated.

The reference design I shared in my last post demonstrated with diagrams and pictures on how we setup our surge tests.

If this post answers your question, please indicate so by marking this thread as resolved. Thank you.

Regards,

Michael P.

Applications Engineer

Texas Instruments

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TPS23730: outdoor surge protection at 8kV and 10kV