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LMG3410用于移相全桥初级H桥4个管子,电路图该如何设计?

Other Parts Discussed in Thread: UCD3138

您好。

我想用LMG3410用于移相全桥初级H桥4个管子,我不知道电路图设计的对不对。

主电路是仿照UCD3138PSFB开发板做的,如上图所示。主功率初级QT1/QT2/QB1/QB2我想用LMG3410.

我初步画了一下原理图,如下

我想UCD3138的初级4路PWM经过ISO7140隔离后,直接驱动LMG3410.其中LMG3410,我想LMG3410的内置buck-boost电路不用,用一个芯片的内置5VLDO给ISO7140供电。

我有一些疑问,我不知道这样画对不对?