Im designing a DC-DC voltage step down regulator based off of a switching regulator IC from texas instruments. I have designed the schematic and board accordingly and it should be able to supply 5A at 5v (According to the IC)
Above is the board ive designed on EAGLE. I'm very new to PCB design and my worry is the board may heat up. The IC says it can handle 5A but it is so small as well as each trace being thin. I know there are trace width calculators but I dont know what 'Input Thickness' is. Can someone explain how I would find out how each thick each trace that will be delivering high current should be and also if the IC will heat up and what I could implement to prevent that? Thanks.