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More on: Rohm’s interesting zero-crossing detector

Photo by: Electronics weekly

Rohm recently introduced a low-power 600V-tolerant zero-crossing detection chip, intended to cut energy wastage in home appliances by reducing sense current through the high voltage monitoring connections. As well as detecting the mains zero crossing waveform, certain versions offer a buffered dc output voltage proportional to the mains dc link voltage. Called BM1ZxxxFJ, the series ... This story...

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