{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8467199","patent":{"patent_number":"US-8467199","title":"Two-stage insulated bidirectional DC/DC power converter using a constant duty ratio LLC resonant converter","assignee":null,"inventors":[],"filing_date":"2010-07-08T00:00:00.000Z","publication_date":"2013-06-18T00:00:00.000Z","cpc_codes":["H02M","H02M","H02M"],"num_claims":17,"abstract":"A two-stage insulated bidirectional DC/DC power converter is disclosed. A two-stage insulated bidirectional DC/DC power converter according to an embodiment of the invention has the characteristic of including: an LLC resonant converter operating at a constant duty ratio; a bidirectional converter joined to a front part of the LLC resonant converter and configured to perform a booster converter function of outputting the input voltage at a consistent input voltage for the LLC resonant converter, and a buck converter function of reducing the voltage by way of the LLC resonant converter and then outputting a consistent voltage; and a bidirectional converter control unit configured to control changes in an input voltage of the bidirectional converter and regulate an output voltage of the LLC resonant converter to thereby maintain a consistent input voltage of the LLC resonant converter, such that the LLC resonant converter operates at a constant duty ratio."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Two-stage insulated bidirectional DC/DC power converter using a constant duty ratio LLC resonant converter","description":"A two-stage insulated bidirectional DC/DC power converter is disclosed. A two-stage insulated bidirectional DC/DC power converter according to an embodiment of the invention has the characteristic of ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8467199","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-8467199","citation_suggestion":"Patentable. \"Two-stage insulated bidirectional DC/DC power converter using a constant duty ratio LLC resonant converter\" (US-8467199). https://patentable.app/patents/US-8467199","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8467199","json":"https://patentable.app/api/llm-context/US-8467199","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T13:46:14.075Z"}