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SN65HVD08: SN65HVD08

user6230461
Prodigy 20 points

Part Number: SN65HVD08

PIN 5 and PIN 8 are found short-circuit, what are potential root causes? how can I veirify? 

This chipset was used on a PDU(power distribution unit) with 220V  input rated voltage.

  • 0
    TI__Guru 62920 points

    Hello,

    Does this happen repeatably across several chips?

    This sort of damage is usually the result of of exposing the IC to voltages outside of its absolute maximum supported ranges. to debug, you may want to probe various pins like VCC, A, and B during power up and throughout usage to verify there are no unintended voltage spikes.

    Regards,

    Max

  • 0
    TI__Guru 62920 points

    Hello,

    Does this happen repeatably across several chips?

    This sort of damage is usually the result of of exposing the IC to voltages outside of its absolute maximum supported ranges. to debug, you may want to probe various pins like VCC, A, and B during power up and throughout usage to verify there are no unintended voltage spikes.

    Regards,

    Max