That is, there’s no fading required, so a static voltage with current limiting circuit would power the LED perfectly fine.. Is it to increase the already long life of the LED’s? Is it to reduce power consumption?
The same thing happens with DRL’s on a car, they’re fed a PWM signal rather than just static 12V from the car’s battery
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Yes, primarily to reduce power consumption, in turn reducing heat, which greatly extends the life of the LEDs, and allows the lamp package to be smaller because it doesn’t require as large a heatsink.
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