公告

大中华汽车电子生态圈社区并入开发者社区- 更多资讯点击此

Tip / 登入 to post questions, reply, level up, and achieve exciting badges. Know more

cross mob
likejian
Level 1
Level 1
First question asked Welcome!

一个IGBT模块内部包含了4个IGBT和6个二极管, 数据手册分别给出了 IGBT和二极管的热阻,在计算整个IGBT模块的热阻应该怎么计算?  是把4个IGBT和6个二极管的热阻看作并联来计算吗?

likejian_0-1670898267268.png

 

0 点赞
1 解答
lock attach
Attachments are accessible only for community members.
Rachel_G
Moderator
Moderator
Moderator
50 likes received 250 solutions authored 250 replies posted

Hi  

热阻值是IGBT和二极管各自的热阻,不能简单看作并联计算IGBT模块的热阻。关于IGBT模块热阻的测试方法,请参考附件的AN。

Best regards,

Rachel

在原帖中查看解决方案

0 点赞
1 回复
lock attach
Attachments are accessible only for community members.
Rachel_G
Moderator
Moderator
Moderator
50 likes received 250 solutions authored 250 replies posted

Hi  

热阻值是IGBT和二极管各自的热阻,不能简单看作并联计算IGBT模块的热阻。关于IGBT模块热阻的测试方法,请参考附件的AN。

Best regards,

Rachel

0 点赞