为什么要死区控制?
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我帮你百度了一下,可以看看这两个网页:
http://zhidao.baidu.com/question/512953021.html
http://blog.sina.com.cn/s/blog_7354958b01010a9s.html
简单来说,就是互补的上下两个桥臂,某一路关断时由于开关管动作需要时间并不能立即关断,而另一路则可能已经导通,会导致两路同时处于打开的状态,烧毁管子,因此需要死区控制。