230VAC LED Filament Driver with BCR421 and BSS127

Open online SPICE simulator circuit link: lighting_led_filament_driver_BCR421_230VAC.tsc

LED Filament Driver with BCR421 and BSS127

LED Filament

This circuit is an LED filament driver with extermely low BOM. BCR421
and BSS127 are connected in a cascode topology to both provide
accurate LED current and handle high voltage.

230VAC IN