Smart Gate Driver Coupler TLP5214 Application Note for LED Signal Operations

LED signal OFF: VOUT is low level when the LED signal is off and the DESAT pin is non-active. A fault signal is not sent even if more than the VDESAT voltage is applied to the DESAT pin. LED signal ON: VOUT is high level when the LED signal is on and the DESAT pin is active. The above protection operation is triggered when an overcurrent condition occurs