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MOSFET (Si/SiC) Forum Discussions

ZhaiL
Employee
Employee
10 sign-ins 10 questions asked 5 questions asked

mos管栅极反并二极管为了加速关断,为什么不需要加速开通呢?

https://www.zhihu.com/question/268583613/answer/2841307556#comment-10413071603?notificationId=159692...

那开通的时候gs电压也会下降吧

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Neo_Qin
Moderator
Moderator
Moderator
100 sign-ins 10 likes received 50 replies posted

Hi @ZhaiL ,

当驱动电路的驱动能力与功率MOSFET匹配时,开通转换过程中不会观察到明显的Vgs电压下降。

更多详细信息,请参考英飞凌应用手册:

CoolMOS™ gate drive and switching dynamics 

Regards,

Neo

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Neo_Qin
Moderator
Moderator
Moderator
100 sign-ins 10 likes received 50 replies posted

Hi @ZhaiL ,

当驱动电路的驱动能力与功率MOSFET匹配时,开通转换过程中不会观察到明显的Vgs电压下降。

更多详细信息,请参考英飞凌应用手册:

CoolMOS™ gate drive and switching dynamics 

Regards,

Neo

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