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AC Voltage Zero Cross Detector

https://www.electronics-lab.com/ac-voltage-zero-cross-detector/

This project provides AC voltage zero-cross timing detection and a DC voltage after diode rectification with high accuracy. Possible applications for such circuits are AC motor controllers, AC lamp controllers, AC Dimmer Controllers, Home Appliances. The circuit outputs a zero-cross signal from 90 Vac to 264 Vac input. The project is based on BM1Z102FJ chip […]

230V AC Input – 12V Output DC Converter, Non-Isolated Buck Converter

https://www.electronics-lab.com/230v-ac-input-12v-output-dc-converter-non-isolated-buck-converter/

The project described here outputs 12V DC voltage from the input of 230V AC. The output current is up to 100mA.  The project is based on BM2P129TF chip which is PWM method DC/DC converter with a built-in 650V MOSFET. BM2P129TF contributes to low power consumption by built-in a 650V starting circuit. Built-in current detection resistor […]