TPS2511-Q1: Electrical Overstress insert port.

Taemin Ahn

Intellectual 795 points

Part Number: TPS2511-Q1

Hi team

Attach the block diagram.
What happens when EOS (Electrical Overstress) is applied to the DP or DM port?
More than 2KV.

Please use the block diagram to explain.

Thanks,

over 7 years ago

0 Bob Ma over 7 years ago

TI__Expert 8980 points

Hi, TM,

The part will be damaged if >2KV EOS is applied to DP/DM. Because this part max ESD rating is 2kV. If there's risk of >2KV ESD, you can add external ESD protection part.

Feel free to ask any questions.

Regards,

Bob

0 Taemin Ahn over 7 years ago in reply to Bob Ma

Intellectual 795 points

Hi Bob

Could you please explain the situation in the above block?

S1, S2 and S3 switches are open.
Damage is expected to occur only in certain situations.

Thanks,

0 Bob Ma over 7 years ago in reply to Taemin Ahn

TI__Expert 8980 points

TM,

S1,S2 and S3 are low voltage FET, if EOS applied, these FETs will be damaged and leakage current from DP/DM to ground will increase, which means the resistance from DP/DM to GND will decrease.

Regards,
Bob

0 Bob Ma over 7 years ago in reply to Taemin Ahn

TI__Expert 8980 points

Hi, TM,

Cuz no more reply, I will close this thread. Feel free to ask further questions if any.

Regards,
Bob

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TPS2511-Q1: Electrical Overstress insert port.