macweenie:
How does using an LED Driver IC differ from powering the LEDs through a PWM enabled pin?
It's completely different.
Not all ICs do PWM.
The IC will clamp the LED current to a fixed value (eg. 20mA), independent of voltage.
macweenie:
How does using an LED Driver IC differ from powering the LEDs through a PWM enabled pin?
It's completely different.
Not all ICs do PWM.
The IC will clamp the LED current to a fixed value (eg. 20mA), independent of voltage.