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TCAN1043-Q1: Compatible layout with 8pin CAN

user4622345
Prodigy 250 points
Part Number: TCAN1043-Q1
Other Parts Discussed in Thread: TCAN1042-Q1, TCAN1043

Hi,

I want to use either TCAN1042-Q1 or TCAN1043-Q1 so I hope the layout can be compatible. Can reserve TCAN1043-Q1 footprint on PCB and  populate TCAN1042-Q1 directly?

  • 0
    TI__Guru 74322 points

    Hey User,

    If you'll notice the pinouts of both devices, you'll see that the top 8 pins of the TCAN1043-Q1 (1, 2, 3 , 4, 11, 12, 13, 14) match the pinout of the 8-pin CAN. So yes, as long as both the TCAN1042-Q1 and TCAN1043-Q1 are the same package (both SOIC, both VSON).

    Please let me know if you have any other questions.

    Regards,

  • 0 in reply to Eric Hackett
    Prodigy 250 points

    Hi Eric,

    The STB pin of TCAN1043 and TCAN1042 have different logics, so MCU need to do different control. Besides this point, is there any other point need to pay attention to? Such as the external circuit, can they use the same? Thanks.

  • 0 in reply to user4622345
    TI__Guru 74322 points

    User,

    There will be extra external components for the 6 more pins on the TCAN1043, but for the pins that the TCAN1042 and TCAN1043 share, the external circuitry should be the same.

    Please let me know if you have any other questions.

    Regards,