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AVAGO光耦内置的IGBT保护功能

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AVAGO光耦内置的IGBT保护功能
Desaturation Fault Detection
Optocoupler Gate Drive Product with Feature:
ACPL-332J, ACPL-331J and HCPL-316J

Application Note 5324
1. Introduction ii. Soft turn-off
Desaturation fault detection circuit provides protection This feature exists in Avago gate optocoupler, (e.g. ACPL-
for power semiconductor switches (IGBT or MOSFETs) 332J, ACPL-331J and HCPL-316J). When fault is detected
against short-circuit current events which may lead to by the DESAT feature, a weak pull-down device in the
destruction of these power switches. This desaturation output drive stage will turn on to ‘softly’ turn off the IGBT
of the inverters can also occur due to an insufficient and prevents large di/dt induced voltages. This d……
标签:AVAGO光耦IGBT保护
AVAGO光耦内置的IGBT保护功能
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jwdxu2009· 2016-11-03 09:40:16
下载下来,参考和学习
广州华工科技· 2016-10-21 16:59:15
富士IGBT模块中国总代理, 广州华工科技开发有限公司,欢迎咨询020-85511281 李生
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