{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9774258","patent":{"patent_number":"US-9774258","title":"Zero-current crossing detection circuits","assignee":null,"inventors":[],"filing_date":"2015-08-10T00:00:00.000Z","publication_date":"2017-09-26T00:00:00.000Z","cpc_codes":["H02M","H02M","H02M"],"num_claims":18,"abstract":"Systems and methods for zero-current crossing detection circuits. In some embodiments, a circuit may include a buck converter comprising a high-side switch, a low-side switch, and an inductor; a zero-current crossing detection circuit comprising a reference switch coupled to a current source, where the reference switch is controllable conjointly with the low-side switch; an amplifier coupled to: (a) a first node between the current source and reference switch, where in operation the first node has a positive voltage value during an interval of interest, and a (b) second node between the low-side switch and the inductor, where in operation the second node has a negative voltage value during the interval of interest; and a comparator coupled to the amplifier, the comparator configured to output a flag in response to a detection that a decreasing current through the inductor has reached a predetermined value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Zero-current crossing detection circuits","description":"Systems and methods for zero-current crossing detection circuits. In some embodiments, a circuit may include a buck converter comprising a high-side switch, a low-side switch, and an inductor; a zero-","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9774258","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-9774258","citation_suggestion":"Patentable. \"Zero-current crossing detection circuits\" (US-9774258). https://patentable.app/patents/US-9774258","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9774258","json":"https://patentable.app/api/llm-context/US-9774258","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:37:14.751Z"}