发明授权
- 专利标题： Driving circuit for switching element and power converter
- 专利标题（中）： 开关元件和电源转换器的驱动电路
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申请号： US13503151申请日： 2010-10-15
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公开(公告)号： US08513986B2公开(公告)日： 2013-08-20
- 发明人: Sho Maruyama , Yoshiyuki Kikuchi
- 申请人： Sho Maruyama , Yoshiyuki Kikuchi
- 申请人地址： JP Yokohama-shi JP Saitama-shi
- 专利权人： Nissan Motor Co., Ltd.,Calsonic Kansei Corporation
- 当前专利权人： Nissan Motor Co., Ltd.,Calsonic Kansei Corporation
- 当前专利权人地址： JP Yokohama-shi JP Saitama-shi
- 代理机构： Foley & Lardner LLP
- 优先权： JP2009-245625 20091026
- 国际申请： PCT/JP2010/068128 WO 20101015
- 国际公布： WO2011/052398 WO 20110505
- 主分类号： H03K3/00
- IPC分类号： H03K3/00
摘要：
A short-circuit protection circuit (12) configured to protect a switching element from an overcurrent includes: a potential decreasing means for decreasing a potential of a gate terminal when a main circuit current is an overcurrent; a feedback means for performing feedback control on an amount of a decrease in the gate potential caused by the potential decreasing means according to a current amount of the main circuit current; and a phase advancing means for performing phase advance compensation in a feedback loop under the feedback control.
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