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TCAN1463-Q1: Split pin

Xiaowei Zhang
Expert 3815 points
Part Number: TCAN1463-Q1
Other Parts Discussed in Thread: TCAN1043-Q1

Tool/software:

Hi team,

My customer asked if we can provide the background why the Split pin is not used any more in TI current CAN device? Thanks

Best Regards,

Xiaowei Zhang

  • 0
    TI__Guru 74292 points

    Xiaowei,

    The split pin is meant to drive a stronger common-mode voltage to the CAN bus in order to help with a stable CAN bus even in noisy environments, as well as help with emissions. With the TCAN1043-Q1 and newer transceivers, it was proven that the split pin was not necessary for EMC compliance as it had been in the past. This is the main reason that there is no split pin on modern TI CAN transceivers.

    Regards,

    Eric Hackett