Usually, these codes represent a Voltage Regulator (LDO) or a N-Channel MOSFET .
A leaked (or reconstructed) schematic labeled “x8j6l_app_note” shows a with the following unusual traits: x8j6l schematic hot
Some in the community suspect x8j6l was a from a now-defunct supplier, with incomplete reference designs. Others believe it’s a remarked part – possibly an RT7272 or SY8113 – that was rebranded to hide origin. Usually, these codes represent a Voltage Regulator (LDO)
If the overheating is systemic (the whole device is hot) rather than a single chip: x8j6l schematic hot
Your new schematic awaits.