PM8550-001 Main Power Management IC For Qualcomm

Technical Specifications: A replacement Power Management Unit (PMU) for high-end Qualcomm chipsets.

• Model Number: PM8550.

• Revision: 001 (Hardware Version).

• Function: Main PMIC responsible for powering the CPU and GPU clusters in the Snapdragon 8 Gen 2 (SM8550) SoC.

• Symptoms Fixed:

  1. Dead Power: Device is completely dead with specific amperage draw behavior (often low constant current).

  2. Short Circuit: Overheating in the PMIC area preventing boot.

  3. Boot Loop: Failure to regulate core voltages causing system instability.

Compatibility: Exclusive to devices with Snapdragon 8 Gen 2, such as:

• Samsung: Galaxy S23, S23 Plus, S23 Ultra (SM-S918).

• Xiaomi: Xiaomi 13, Xiaomi 13 Pro.

• OnePlus: OnePlus 11.

• RedMagic: RedMagic 8 Pro.

Technician Note: Important: Please verify the revision code “001” matches your original chip. Installing a different revision (like 002 or 000) may result in incompatibility or boot failure.