发明名称 |
Electric power conversion device |
摘要 |
An object of the present invention is to provide an electric power converter including means for accurately detecting a principal current of IGBT. An electric power conversion device according to the present invention includes principal current estimation means for estimating a principal current by using: an output of temperature measuring means whose diode is disposed in the same semiconductor substrate as an IGBT including an emitter having flowing therethrough the principal current and a sense emitter having flowing therethrough a sense current proportional to the principal current; the sense current; and the information, preliminarily stored in memory means, on the relationship among the semiconductor substrate temperature, the principal current and the sense currant.
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申请公布号 |
US2006215341(A1) |
申请公布日期 |
2006.09.28 |
申请号 |
US20060338668 |
申请日期 |
2006.01.25 |
申请人 |
SAKURAI NAOKI;MORI MUTSUHIRO |
发明人 |
SAKURAI NAOKI;MORI MUTSUHIRO |
分类号 |
H02H3/00;H02M1/00;H01L21/822;H01L21/8234;H01L27/04;H01L27/06;H01L29/739;H01L29/78;H02M1/38 |
主分类号 |
H02H3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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