S5204 Secondary Power IC (ORG)

Technical Specifications: Original Service Part (ORG).

• Model Number: S5204.

• Type: Secondary PMIC / Buck Converter.

• Function: Provides stable voltage regulation for specific CPU/GPU clusters and peripheral components in high-performance 5G chipsets.

Common Fixes:

1. Dead Boot (Poco X3 Pro/F3): Often responsible for the “Sudden Death” issue where the phone shows no sign of life.

2. White/Grey Screen: In some cases, failure of this IC causes display artifacts or a solid white screen before rebooting.

3. Boot Loop: Device tries to start but fails due to unstable power delivery to the processor.

Compatibility: A widely used chip in modern 5G devices:

• Xiaomi / Poco: Poco X3 Pro, Poco F3, Poco F4 5G, Redmi K40.

• Samsung: Galaxy A53 5G (A536), Galaxy A33 5G, Galaxy M53.

• Gaming Phones: Red Magic 5G / 5S.