{"schemaVersion":1,"slug":"smart-high-side-switch","name":"Smart high-side switch","kind":"symbol","abbreviation":"HS SW","aliases":["Smart high-side switch","Smart high-side switch functional block","Smart high-side switch schematic reference"],"category":"electronics-components","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"A high-side switch controls the connection between a supply and the high side of a load.","description":["A high-side switch controls the connection between a supply and the high side of a load.","A controller can switch the positive supply path to an attached device using the selected component.","Draw the switch between the positive supply and the load, with the return path shown separately. Identify any diagnostic output as a signal rather than another power connection. The word smart does not define a universal set of protection or diagnostic features. This is original functional artwork, not a certified standard graphic or device pinout."],"readingNotes":["Locate the switch on the supply side of the load.","Label control and diagnostic signals separately.","Reference the selected load, fault and thermal behaviour.","Monitoring and protection features depend on the chosen device, not merely the high-side position."],"drawingChecklist":["Locate the switch on the supply side of the load.","Label control and diagnostic signals separately.","Reference the selected load, fault and thermal behaviour."],"distinction":"Monitoring and protection features depend on the chosen device, not merely the high-side position.","facts":[{"label":"Representation type","value":"Original functional block; not a certified IEC or IEEE graphic"},{"label":"Concept input","value":"Positive supply path"},{"label":"Concept output","value":"Load supply connection"}],"references":[{"sourceId":"expansion-20261027-highside","relevance":"High-side power switching: public technical context for the named function. Product and compliance details remain with the publisher."}],"related":["high-side-gate-driver","power-converter","terminal"],"artwork":"expanded-smart-high-side-switch","publishedOn":"2026-10-27","updatedOn":"2026-10-27","provenance":"independent-public-research","plainEnglish":{"title":"What does Smart high-side switch mean?","introduction":"A high-side switch controls the connection between a supply and the high side of a load.","example":"A controller can switch the positive supply path to an attached device using the selected component.","drawings":"Draw the switch between the positive supply and the load, with the return path shown separately. Identify any diagnostic output as a signal rather than another power connection. The word smart does not define a universal set of protection or diagnostic features.","terms":[{"name":"High side","meaning":"The supply-side connection of the selected load circuit."},{"name":"Diagnostic output","meaning":"A signal reporting a device condition for a controller to interpret."}],"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":"High-side power switching","url":"https://www.ti.com/product-category/power-management/high-side-switches-controllers/overview.html"}],"profileId":"researched-functional-reference","checklist":["Locate the switch on the supply side of the load.","Label control and diagnostic signals separately.","Reference the selected load, fault and thermal behaviour."],"questions":[{"question":"What makes this different from a low-side switch?","answer":"The location in the circuit differs. A high-side switch controls the supply-side path; a low-side switch controls the return-side path. Their drive and load-reference arrangements must match the selected circuit."}],"steps":["Positive supply path","Controlled high-side switch","Load supply connection"],"bidirectional":false},"url":"https://eloragrid.ai/symbols/smart-high-side-switch","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/smart-high-side-switch.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-highside","title":"High-side power switching","publisher":"Texas Instruments","url":"https://www.ti.com/product-category/power-management/high-side-switches-controllers/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":"High-side power switching: public technical context for the named function. Product and compliance details remain with the publisher."}]}