{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8482943","patent":{"patent_number":"US-8482943","title":"Power transistor driving circuits and methods for switching mode power supplies","assignee":null,"inventors":[],"filing_date":"2009-12-15T00:00:00.000Z","publication_date":"2013-07-09T00:00:00.000Z","cpc_codes":["H02M"],"num_claims":20,"abstract":"A power supply controller is provided for providing a drive current to a control terminal of a power transistor in three time intervals. The controller includes control circuits configured to control the drive current in multiple stages. During a first time interval, first drive current includes a current spike for turning on the power transistor in response to a start of the control signal pulse. During a second time interval, a second drive current includes a ramping current substantially proportional to a magnitude of a current through the power transistor. During a third time interval, current flow to the power transistor is at least partially turned off before an end of the control signal pulse."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Power transistor driving circuits and methods for switching mode power supplies","description":"A power supply controller is provided for providing a drive current to a control terminal of a power transistor in three time intervals. The controller includes control circuits configured to control ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8482943","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-8482943","citation_suggestion":"Patentable. \"Power transistor driving circuits and methods for switching mode power supplies\" (US-8482943). https://patentable.app/patents/US-8482943","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8482943","json":"https://patentable.app/api/llm-context/US-8482943","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T07:46:13.937Z"}