FB-DC
Full-bridge DC converter topology
A DC conversion stage using two switching legs to apply the documented waveform to a magnetic primary.
Schematic / SLD
Symbols · PSFB
Phase-shifted full-bridge topology
A full-bridge conversion arrangement controlled through the documented relative switching-leg phase shift.
Schematic / SLD · PSFB
What it represents
A full-bridge conversion arrangement controlled through the documented relative switching-leg phase shift.
On a schematic, identify the bridge legs, magnetic path and phase-shift control references and trace the secondary rectification and output regulation. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.
Phase-shift control is a specific operating arrangement; it is not established merely by showing four power switches.
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.
How to read it
- Identify the bridge legs, magnetic path and phase-shift control references.
- Trace the secondary rectification and output regulation.
Information to show or reference
- Label the bridge legs, magnetic path and phase-shift control references.
- Cross-reference the secondary rectification and output regulation.
- Add the selected device or circuit documentation revision, power/reference connections and project signal convention.
A distinction that matters
Phase-shift control is a specific operating arrangement; it is not established merely by showing four power switches.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
Power topology selection and public topology tutorials
Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored.
About this graphic
This illustration was authored independently by Elora Grid to explain the concept. It is not reproduced from a customer drawing, an official standard graphic or a manufacturer CAD file. Its correspondence to an exact IEC or IEEE symbol identifier has not been certified.
SVG and DXF downloads contain this original artwork. DXF uses unscaled drawing units; a GA envelope supplies no product dimensions, clearances or fabrication information. Original artwork is available under CC BY 4.0. Third-party references retain their own terms.
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