我要做三相全桥驱动,IR2110驱动IRF540,U相电路如下图
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/82/3615061255004844.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20');}" onmousewheel="return imgzoom(this);">
驱动信号为U相上桥PWM,U相下桥与上桥PWM信号互补,V相下桥始终开通,UV输出电压为方波,但用一段时间电路就会出问题,UV输出为0,IR2110发热,小弟判断IR2110已经烧坏!
大侠帮忙解决一下吧,实在没办法了
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/82/3615061255077711.jpg');}" onmousewheel="return imgzoom(this);">