Steam Deck

iFixit provide a good chip diagram link: https://www.ifixit.com/Guide/Steam+Deck+Chip+ID/147811

Problem	Solution
Not Charging	Replace Charge IC (MAX77961) info: https://www.maximintegrated.com/en/products/power/battery-management/MAX77961.html
No power after NVME Replacement	Charge IC (MAX77961) is blown and will need to be replaced