{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11984813","patent":{"patent_number":"US-11984813","title":"Synchronous rectification control system and method for quasi-resonant flyback converter","assignee":null,"inventors":[],"filing_date":"2020-05-15T00:00:00.000Z","publication_date":"2024-05-14T00:00:00.000Z","cpc_codes":["H02M","H02M","H02M","H02M","H02M","H02M","H02M","H02M","H02M"],"num_claims":11,"abstract":"A synchronous rectification control system and method for a quasi-resonant flyback converter are provided. The control system includes a switching transistor voltage sampling circuit configured to sample an output terminal voltage of the switching transistor to obtain a sampled voltage of the switching transistor; a sampling calculation module configured to obtain a dead-time based on the sampled voltage of the switching transistor and a preset relationship, the preset relationship being a correspondence between the duration of the sampled voltage of the switching transistor being below a first preset value and the dead-time during an on-time of a switching cycle of the switching transistor, the dead-time being a time from when the switching transistor is turned off to when the synchronous rectification transistor is turned on; and a control module configured to receive the dead-time and control switching of the synchronous rectification transistor based on the dead-time."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Synchronous rectification control system and method for quasi-resonant flyback converter","description":"A synchronous rectification control system and method for a quasi-resonant flyback converter are provided. The control system includes a switching transistor voltage sampling circuit configured to sam","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11984813","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-11984813","citation_suggestion":"Patentable. \"Synchronous rectification control system and method for quasi-resonant flyback converter\" (US-11984813). https://patentable.app/patents/US-11984813","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11984813","json":"https://patentable.app/api/llm-context/US-11984813","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T14:42:34.737Z"}