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TCAN4550-Q1: TCAN4550-Q1 vsTCAN4551-Q1

Nam, Dino
Expert 6445 points
Part Number: TCAN4550-Q1
Other Parts Discussed in Thread: TCAN4550, , TCAN4551-Q1

Dear Team, 

My customer would like to use external CAN controller to expand CAN port. The competitor part name is MCP2518FD. 

I know TI don't have CAN controller only solution. Is it right? 

I will promote TCAN4550 to replace competitor device. 

What is difference between TCAN4550 and TCAN4551? Only with/without LDO function? 

Please let me know your opinion. 

Thank you  

  • +1
    TI__Guru 74252 points

    Dino,

    The TCAN4550-Q1 can be used in controller-only mode, but you are correct, we do not have a standalone CAN FD controller. Besides the lack of external LDO on the TCAN4551-Q1, the TCAN4551-Q1 also does not include a Watchdog, and VIO voltages can work down to 1.8V.

    Please let us know if you have any other questions.

    Regards,

    Eric Hackett