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关于controlSUITE中bridgeless例程原理图的讨论

Other Parts Discussed in Thread: CONTROLSUITE

各位坛友大家好,最近看到TI的controlSUITE中bridgeless套件原理图

如附件中,是不是存在问题?没有低频回路二极管,AC电压无法采样,而在TI的另一份文件中有较好的说明

无桥PFC需要低频回路二极管,及开机充电所需通路二及管,如下图

而套件中的原理如下图,LN线电压没有共地,如何进行电压采样呢?

特来论坛向各位请教这个问题