230VAC LED Filament Driver with BCR421 and BSS225

Open online SPICE simulator circuit link: lighting_led_filament_driver_BCR421_230VAC_hightemp.tsc

LED Filament Driver with BCR421 and BSS225

230VAC IN

This circuit is an LED filament driver with extermely low BOM. BCR421
and BSS225 are connected in a cascode topology to both provide
accurate LED current and handle high voltage, even at high temperatures.

LED Filament