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Alex thomas
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Alex thomas
Asked: February 1, 2023In:
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Hii, In TLE9471ES when VCAN_UV is touched off the TLE9471ES will disable the CAN transmitter. That means the CAN event is still in working condition. So, my question is when the VCAN_UV fault is still present can the CAN signals be dependable ...Read more

Hii,

In TLE9471ES when VCAN_UV is touched off the TLE9471ES will disable the CAN transmitter.
That means the CAN event is still in working condition.

So, my question is when the VCAN_UV fault is still present can the CAN signals be dependable to read use for further action?

Thank You

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  1. nidhi singh

    Hii, Thanks for your query. The voltage at the CAN supply pin is covered in CAN Normal and Receive Only Mode. In the case of VCAN Undervoltage signalization via SPI bit VCAN_UV is touched off and the TLE9471ES disables the transmitter stage. If the CAN supply reaches a higher position than the underRead more

    Hii,

    Thanks for your query.

    The voltage at the CAN supply pin is covered in CAN Normal and Receive Only Mode. In the case of VCAN
    Undervoltage signalization via SPI bit VCAN_UV is touched off and the TLE9471ES disables the transmitter stage.
    If the CAN supply reaches a higher position than the under-voltage finding threshold (VCAN>VCAN_UV,r), the transceiver is automatically switched back to CAN Normal Mode.
    The under-voltage finding is enabled if the mode bit CAN_1 = ‘ 1 ’, i.e., in CAN Normal or CAN Receive Only
    Mode. As the Receiver is also powered by the VCAN, in case of insufficient supply, it may not transmit the signals correctly and admit them correctly. PFA for further information.

    Regards,

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