TPS254900-Q1: Failure mode of OUT/BIAS pin

Kuramochi Tadahiko

Guru 28715 points

Part Number: TPS254900-Q1

Hi,

I received the following question from my customer.

Could you tell me failure mode of OUT/BIAS pin when these pins is broken by over voltage?

Best Regards,

Kuramochi

over 8 years ago

0 Feifei Shen over 8 years ago

TI__Expert 3275 points

Hi Kuramochi-san,

Do you have any details of the failure?
And what do you mean by failure mode, Voltage stress > 18V?

Best regards,
Feifei

0 Kuramochi Tadahiko over 8 years ago in reply to Feifei Shen

Guru 28715 points

Hi Feifei-san,

Though I answer below, I may not understand your question...

>Do you have any details of the failure?
Yes, it is open or short to xxxpin, and so on.

>And what do you mean by failure mode, Voltage stress > 18V?
It means that each pins is applied above 18V.

Please let me know if you have any question.

Best Regards,
Kuramochi

0 Yongqiang Sun over 7 years ago in reply to Kuramochi Tadahiko

TI__Intellectual 2685 points

HI,

According to our test, when these pins are over voltage broke, a very large current will flow through them.

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TPS254900-Q1: Failure mode of OUT/BIAS pin