{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9837893","patent":{"patent_number":"US-9837893","title":"Charge pump and switch control circuit","assignee":null,"inventors":[],"filing_date":"2014-07-30T00:00:00.000Z","publication_date":"2017-12-05T00:00:00.000Z","cpc_codes":["H02M","H02M","H02M","H02M","H02M","H02M"],"num_claims":14,"abstract":"A charge pump includes: a first diode that is connected to a first node; a second diode that is connected to a second node; a pump capacitor that is connected to a third node to which the first diode and the second diode are connected; a power supply capacitor that is connected to the pump capacitor; a third diode that is connected between the pump capacitor and the power supply capacitor; and a zener diode that is connected in parallel to the third diode and the power supply capacitor. A power supply device decreases a ripple of an output current using a ripple reduction signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Charge pump and switch control circuit","description":"A charge pump includes: a first diode that is connected to a first node; a second diode that is connected to a second node; a pump capacitor that is connected to a third node to which the first diode ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9837893","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-9837893","citation_suggestion":"Patentable. \"Charge pump and switch control circuit\" (US-9837893). https://patentable.app/patents/US-9837893","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9837893","json":"https://patentable.app/api/llm-context/US-9837893","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:36:11.843Z"}