Is this 8 pin component on the creality 4.2.2 board the buck converter

Creality 4.2.2 Pin Diagram

Is this 8 pin component on the creality 4.2.2 board the buck converter Creality component simultaneously stilll converter shutting buck diagnosing cause running

Is this 8 pin component on the creality 4.2.2 board the buck converter

Is this 8 pin component on the creality 4.2.2 board the buck converter
Is this 8 pin component on the creality 4.2.2 board the buck converter