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CAN bus termination circuits and CAN bus auto-termination methods

  • US 6,587,968 B1
  • Filed: 07/16/1999
  • Issued: 07/01/2003
  • Est. Priority Date: 07/16/1999
  • Status: Expired due to Fees
First Claim
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1. A CAN bus termination circuit comprising:

  • a first circuit in electrical communication with a CAN bus and configured to monitor an electrical operating parameter associated with operation of the CAN bus, the electrical operating parameter being associated with whether or not a power on signal has been generated by one node connected with the CAN bus for a next-in-line node connected with the CAN bus; and

    a second circuit in electrical communication with the first circuit, the second circuit being selectively enabled by the first circuit responsive to the first circuit'"'"'s sensing a change in the electrical operating parameter that it is configured to monitor, the second circuit being configured to terminate the CAN bus when it is enabled.

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