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ISO1042: CAN bus isolation

GARETH OU
Guru 12500 points

Part Number: ISO1042
Other Parts Discussed in Thread: ISO6441

Hi

Could you provide suggestions for CAN bus isolation products for the following schematic. Thanks

can fd.jpg

  • 0
    TI__Guru 57305 points

    Hi Gareth,

    Thanks for reaching out.
    We currently do not have a single chip solution to isolation CAN bus on both sides and I believe there is no such device that exists in the industry currently. This needs to be done using two isolated CAN devices (like ISO1042) and an MCU between the two CAN devices. Let me know if this is something that will work for you.

    Alternatively, you could modify the design a little bit to simply the system. It seems like F81605N is a USB to CAN converter, instead if you could use a USB to UART or SPI transceiver then you can use digital isolator (ISO6441) or isolated CAN (ISO1042) to isolated the signals.

    Let me know if any of these works for you, thanks.


    Regards,
    Koteshwar Rao