{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9712155","patent":{"patent_number":"US-9712155","title":"Drive circuit for power semiconductor element","assignee":null,"inventors":[],"filing_date":"2013-06-24T00:00:00.000Z","publication_date":"2017-07-18T00:00:00.000Z","cpc_codes":["H02M","H02M"],"num_claims":3,"abstract":"A drive circuit for a power semiconductor element includes: a voltage-command generation unit that generates a voltage command VGEref, which is a charge command between the gate and emitter terminals of a power semiconductor element; and a subtracter that calculates a deviation voltage Verr between the voltage command VGEref and the voltage between the gate and emitter terminals. The drive circuit also includes: a gate current controller that is input with the deviation voltage Verr and calculates a gate-current command voltage VIGref for determining the gate current that is caused to flow to the gate terminal of the power semiconductor element; a gate-current command limiter that limits the gate-current command voltage VIGref; and a gate-current supply device that is input with an actual gate-current command voltage VIGout and that supplies a gate current to the gate terminal of the power semiconductor element."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Drive circuit for power semiconductor element","description":"A drive circuit for a power semiconductor element includes: a voltage-command generation unit that generates a voltage command VGEref, which is a charge command between the gate and emitter terminals ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9712155","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-9712155","citation_suggestion":"Patentable. \"Drive circuit for power semiconductor element\" (US-9712155). https://patentable.app/patents/US-9712155","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9712155","json":"https://patentable.app/api/llm-context/US-9712155","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:15:54.421Z"}