{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9774264","patent":{"patent_number":"US-9774264","title":"Control circuit and control method for switching power supply operating in quasi resonant mode","assignee":null,"inventors":[],"filing_date":"2016-08-08T00:00:00.000Z","publication_date":"2017-09-26T00:00:00.000Z","cpc_codes":["H02M","H02M"],"num_claims":10,"abstract":"A control circuit can include: an output current sampling circuit configured to sample a current through a power switch of a switching power supply operating in a quasi-resonant mode, and to generate an output current feedback signal that represents an output current of the switching power supply; and a valley locking circuit configured to receive the output current feedback signal and a plurality of valley switching threshold voltages, where the valley locking circuit is switched to a corresponding valley from a valley currently being locked when the output current feedback signal is increased or reduced to one of the plurality of valley switching threshold voltages."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Control circuit and control method for switching power supply operating in quasi resonant mode","description":"A control circuit can include: an output current sampling circuit configured to sample a current through a power switch of a switching power supply operating in a quasi-resonant mode, and to generate ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9774264","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-9774264","citation_suggestion":"Patentable. \"Control circuit and control method for switching power supply operating in quasi resonant mode\" (US-9774264). https://patentable.app/patents/US-9774264","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9774264","json":"https://patentable.app/api/llm-context/US-9774264","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T16:52:28.670Z"}