您好!
作为 TPS659037不工作的检查结果、它是 VCC1 (C7)和 CND_ANA (M13)的内部短路。
客户将询问在短路期间是否测量到5伏的输入电压。
对于 VCC1和 GND 内部短路、VCC1引脚上的5V 测量是否正常?
12V 转5V 原理图:
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TPS6590377原理图:
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