{"schemaVersion":1,"slug":"dual-active-bridge-topology","name":"Dual-active-bridge topology","kind":"symbol","abbreviation":"DAB","aliases":["bidirectional dual active bridge","isolated bidirectional converter"],"category":"microgrid-systems","drawingTypes":["Schematic","SLD"],"referenceFamilies":["Manufacturer"],"summary":"A conversion stage with controlled bridges on both sides of a coupled magnetic link.","description":["A conversion stage with controlled bridges on both sides of a coupled magnetic link.","On a schematic, identify the two DC ports, both active bridges and isolation boundary and trace the bidirectional energy path and bridge control references. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.","Two actively switched sides distinguish a DAB from a primary bridge with passive secondary rectification.","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 two DC ports, both active bridges and isolation boundary.","Trace the bidirectional energy path and bridge control references."],"drawingChecklist":["Label the two DC ports, both active bridges and isolation boundary.","Cross-reference the bidirectional energy path and bridge control references.","Add the selected device or circuit documentation revision, power/reference connections and project signal convention."],"distinction":"Two actively switched sides distinguish a DAB from a primary bridge with passive secondary rectification.","facts":[{"label":"Common schematic mnemonic","value":"DAB — descriptive only; project/device documentation defines reference designations."},{"label":"Terminal / interface focus","value":"The two DC ports, both active bridges and isolation boundary"},{"label":"Artwork scope","value":"Original conceptual topology block; not a complete switch-level circuit."}],"references":[{"sourceId":"pub-electronics-ti-dab","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}],"related":["full-bridge-dc-converter-topology","power-converter"],"artwork":"electronics-power-dab","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/dual-active-bridge-topology","illustration":{"url":"https://eloragrid.ai/library/illustrations/dual-active-bridge-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-dab","title":"TIDA-010054: bidirectional dual-active-bridge reference design","publisher":"Texas Instruments","url":"https://www.ti.com/tool/TIDA-010054","type":"manufacturer","scope":"Public DAB system topology and interface reference. Only an independently described functional topology is included; design files, drawings and product ratings remain on the publisher site.","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."}]}