The comment you replied to above references WLED running on an ESP32, which has nothing to do with power. A "power controller" is not a widely used term in the

The comment you replied to above references WLED running on an ESP32, which has nothing to do with power. A "power controller" is not a widely used term in the world of addressable LEDs. A "power supply" is a far more common term, and has little to practically nothing to do with "controlling" the LEDs.