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EM1401EVM: EM1401EVM

Gabe Walker
Prodigy 10 points

Part Number: EM1401EVM

We are using the EM1401EVM active battery balancer and attempting to talk to it with a Beaglebone Black micro controller over a UART to CAN transceiver. We have the EM1401 CAN protocol, but can't seem to find exactly how to talk to the battery balancer from the UART side. It is a logic level protocol and the transceiver translates to CAN for us. Please help me understand what the issue is and how to fix it. Feel free to ask questions and I will do my best to answer them.

  • 0
    TI__Intellectual 2795 points

    Hi Gabe,

    I'm not sure exactly where your problem might be, but if you are not using the GUI, the host controller should send an address claim after the board is powered up:

    18EEFFxx 8 xx00000000020000 //Where xx is the CAN ID of the controller, and 0x02 in byte 6 defines that this node is an ECU, and therefore all notification messages will be sent there.

    I have also attached the CAN Protocol document.

    I hope this helps.

    Regards,

    Stephen

    EM1401_SNVA708.pdf