Component: Power Management IC (PMIC) – Apple 338S00383
Function: Controls charging current, voltage regulation, USB interfacing, power protection
Compatibility: iPhone XS series logic boards A1920/A2098
Use Cases:
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No charging despite cable connection, “accessory not supported” alert
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Random shutdowns or failure to power on with charged battery
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Only charges when powered off or in airplane mode
Quality: OEM-grade or high-quality equivalent requiring board-level micro-soldering