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关于主控芯片Power dissipation&Power Consumption参数问题



我个人理解Power dissipation:是针对主控芯片热损耗的能量,作为热设计的主要参数。

Power Consumption:是芯片工作需要的总功耗,作为外部电源设计依据。

那么很多时候芯片很容易估算出Power Consumption的数值,但Power dissipation这个如何估算呢?针对电源芯片很好算?那么像这类控制器如何估算呢?

二者是对等关系么?望大神指点一二