• Patent Title: Drive control apparatus for driving a switching element including a sense element
  • Application No.: US16303635
    Application Date: 2017-05-16
  • Publication No.: US11095283B2
    Publication Date: 2021-08-17
  • Inventor: Takeshi Inoue
  • Applicant: DENSO CORPORATION
  • Applicant Address: JP Kariya
  • Assignee: DENSO CORPORATION
  • Current Assignee: DENSO CORPORATION
  • Current Assignee Address: JP Kariya
  • Agency: Oliff PLC
  • Priority: JPJP2017-093059 20170509
  • International Application: PCT/JP2017/018355 WO 20170516
  • International Announcement: WO2017/199949 WO 20171123
  • Main IPC: H03K17/082
  • IPC: H03K17/082
Drive control apparatus for driving a switching element including a sense element
Abstract:
A drive control apparatus for a switching element drives a switching element including a sense element, and includes a drive circuit that provides a gate driving signal to the switching element, a transient characteristic absorbing circuit that absorbs a transient characteristic of the sense element when the switching element is turned on, and a determination circuit that determines an overcurrent or a short-circuit state of the switching element from an output of the sense element.
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