输入电压是7.4V-8.4V ,输出12V 运行一段时间芯片就烧了,这是什么原因?
电路是按照手册上的原理图电路做的,
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您好,
请使用下方链接中的webench工具对照一下您的原理图和PCB布局。
常见原因下方帖子有过回答。
https://e2echina.ti.com/support/power-management/f/power-management-forum/146875/tps61088-8v-12v