{"schemaVersion":1,"slug":"can-bus-transceiver","name":"CAN bus transceiver","kind":"symbol","abbreviation":"CAN","aliases":["CAN bus transceiver","CAN bus transceiver functional block","CAN bus transceiver schematic reference"],"category":"installation-communications","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"CAN (Controller Area Network) lets electronic devices exchange messages. A transceiver is the part that sends and receives the network's electrical signals.","description":["CAN (Controller Area Network) lets electronic devices exchange messages. A transceiver is the part that sends and receives the network's electrical signals.","For example, a battery controller can report measurements to a system controller over a compatible CAN connection.","Put the CAN controller on the logic side and the CAN bus pair on the other side of the transceiver. The controller creates and interprets messages; the transceiver drives and receives their electrical signals. Show bus termination and reference connections from the selected network design. This is original functional artwork, not a certified standard graphic or device pinout."],"readingNotes":["Separate controller transmit/receive signals from bus conductors.","Reference the selected termination and cable arrangement.","Identify the transceiver supply and bus-reference connections.","The transceiver supplies a physical interface; it is not necessarily the CAN protocol controller."],"drawingChecklist":["Separate controller transmit/receive signals from bus conductors.","Reference the selected termination and cable arrangement.","Identify the transceiver supply and bus-reference connections."],"distinction":"The transceiver supplies a physical interface; it is not necessarily the CAN protocol controller.","facts":[{"label":"Representation type","value":"Original functional block; not a certified IEC or IEEE graphic"},{"label":"Concept input","value":"Controller logic signals"},{"label":"Concept output","value":"CAN bus pair"}],"references":[{"sourceId":"expansion-20261027-can","relevance":"CAN interface functions: public technical context for the named function. Product and compliance details remain with the publisher."}],"related":["logic-bus-transceiver","can-fd-transceiver","power-converter","terminal"],"artwork":"expanded-can-bus-transceiver","publishedOn":"2026-10-27","updatedOn":"2026-10-27","provenance":"independent-public-research","plainEnglish":{"title":"What does CAN bus transceiver mean?","introduction":"CAN (Controller Area Network) lets electronic devices exchange messages. A transceiver is the part that sends and receives the network's electrical signals.","example":"For example, a battery controller can report measurements to a system controller over a compatible CAN connection.","drawings":"Put the CAN controller on the logic side and the CAN bus pair on the other side of the transceiver. The controller creates and interprets messages; the transceiver drives and receives their electrical signals. Show bus termination and reference connections from the selected network design.","terms":[{"name":"Transceiver","meaning":"A circuit that both transmits and receives electrical signals."},{"name":"CAN controller","meaning":"The function that handles the selected CAN messaging behaviour."}],"diagram":"flow","caption":"Original functional explanation. Arrows show information or energy roles; two-headed arrows identify two-way interfaces. This is not a pinout, certified standards graphic or complete circuit.","sources":[{"label":"CAN interface functions","url":"https://www.ti.com/product-category/interface/can-transceivers/overview.html"}],"profileId":"researched-functional-reference","checklist":["Separate controller transmit/receive signals from bus conductors.","Reference the selected termination and cable arrangement.","Identify the transceiver supply and bus-reference connections."],"questions":[{"question":"Is the transceiver the CAN controller?","answer":"No. The controller handles protocol-related message functions, while the transceiver provides the electrical interface. Some devices combine roles, so use the selected product documentation to identify the actual boundaries."}],"steps":["Controller logic signals","CAN transceiver","CAN bus pair"],"bidirectional":true},"url":"https://eloragrid.ai/symbols/can-bus-transceiver","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/can-bus-transceiver.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"expansion-20261027-can","title":"CAN interface functions","publisher":"Texas Instruments","url":"https://www.ti.com/product-category/interface/can-transceivers/overview.html","type":"manufacturer","scope":"Public functional documentation. Original explanatory text and educational block artwork; no publisher graphics or files reproduced.","checkedOn":"2026-10-27","reuse":"link-only","relevance":"CAN interface functions: public technical context for the named function. Product and compliance details remain with the publisher."}]}