{"schemaVersion":1,"slug":"llc-resonant-converter-topology","name":"LLC resonant converter topology","kind":"symbol","abbreviation":"LLC","aliases":["LLC resonant converter","resonant DC DC"],"category":"microgrid-systems","drawingTypes":["Schematic","SLD"],"referenceFamilies":["Manufacturer"],"summary":"A converter arrangement using the documented resonant inductive/capacitive network and magnetic transfer path.","description":["A converter arrangement using the documented resonant inductive/capacitive network and magnetic transfer path.","On a schematic, identify the resonant inductor/capacitor, magnetising inductance and switching bridge and trace the secondary output and resonant-controller interface. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.","The LLC designation identifies a resonant network arrangement; it does not state component values, switching limits or efficiency.","The preview is a conceptual topology reference rather than a complete power-stage circuit. Switching sequences, magnetic design, component selection and control/protection details belong in the equipment design documentation."],"readingNotes":["Identify the resonant inductor/capacitor, magnetising inductance and switching bridge.","Trace the secondary output and resonant-controller interface."],"drawingChecklist":["Label the resonant inductor/capacitor, magnetising inductance and switching bridge.","Cross-reference the secondary output and resonant-controller interface.","Add the selected device or circuit documentation revision, power/reference connections and project signal convention."],"distinction":"The LLC designation identifies a resonant network arrangement; it does not state component values, switching limits or efficiency.","facts":[{"label":"Common schematic mnemonic","value":"LLC — descriptive only; project/device documentation defines reference designations."},{"label":"Terminal / interface focus","value":"The resonant inductor/capacitor, magnetising inductance and switching bridge"},{"label":"Artwork scope","value":"Original conceptual topology block; not a complete switch-level circuit."}],"references":[{"sourceId":"pub-electronics-ti-llc","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}],"related":["half-bridge-dc-converter-topology","power-converter"],"artwork":"electronics-power-llc","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/llc-resonant-converter-topology","illustration":{"url":"https://eloragrid.ai/library/illustrations/llc-resonant-converter-topology.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pub-electronics-ti-llc","title":"UCC256404 — LLC resonant-converter control","publisher":"Texas Instruments","url":"https://www.ti.com/product/UCC256404","type":"manufacturer","scope":"Public device-function and terminal documentation used as an example of llc resonant-converter control. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}]}