{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8461766","patent":{"patent_number":"US-8461766","title":"Driver circuit with primary side state estimator for inferred output current feedback sensing","assignee":null,"inventors":[],"filing_date":"2010-12-09T00:00:00.000Z","publication_date":"2013-06-11T00:00:00.000Z","cpc_codes":["H02M","H02M"],"num_claims":19,"abstract":"An LED driver circuit and an isolated DC-DC converter therefor are presented, in which a primary side state estimator circuit is provided for inferred output current sensing for closed loop control of pulse width modulated flyback or buck converters. Specifically, the estimator circuit includes a capacitance having a first terminal coupled to a comparator input of a pulse width modulation controller, and a second terminal coupled to an error input of an error amplifier, and a switching device having a first power terminal coupled to the second terminal of the capacitance, a second power terminal coupled to the circuit ground, and a control input terminal coupled to a drive output of the pulse width modulation controller."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Driver circuit with primary side state estimator for inferred output current feedback sensing","description":"An LED driver circuit and an isolated DC-DC converter therefor are presented, in which a primary side state estimator circuit is provided for inferred output current sensing for closed loop control of","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8461766","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-8461766","citation_suggestion":"Patentable. \"Driver circuit with primary side state estimator for inferred output current feedback sensing\" (US-8461766). https://patentable.app/patents/US-8461766","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8461766","json":"https://patentable.app/api/llm-context/US-8461766","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:24:09.643Z"}