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分析了几种电控单元(ECU)电源系统的特点,介绍了电源芯片的选择方法,通过对电源模块印刷线路板(PCB)的布局布线分析,解释了电磁干扰(EMI)相关问题,并且给出了电源系统中电感值的计算方法。
The characteristics of several ECU power systems are analyzed. The selection method of power chips is introduced. The EMI problems are explained by analyzing the layout and layout of printed circuit boards (PCBs) of power modules. Out of the power system inductance value calculation method.