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SN65HVD52: Question for protection

Lee, Sam
Expert 6495 points

Part Number: SN65HVD52

Hi team,

Can you review the following schematic which currently has burnt issues of SN65HVD52?

Any recommendations to protect the device?

Thanks,

Sam Lee

  • 0
    TI__Guru 62920 points
    Hi Sam,

    This schematic looks OK.

    Are you able to determine which terminal is getting damaged? I see that there are provisions for TVS diodes on the differential inputs and outputs - are these components populated when the issue occurs? If so, what is the part number of the TVS? When operated, is this system subject to any stresses such as a short-circuit to a higher-voltage line or large transient overvoltage conditions (such as electrostatic discharges)?

    Max
  • 0 in reply to Miguel Robertson
    TI__Expert 6495 points
    Hi Max,

    Thank you for your advice. Will check it.

    Thanks,
    Sam Lee