MT6377W Power Management IC (PMIC)

echnical Specifications: A primary Power Management Unit (PMU) replacement part.

• Model Number: MT6377W.

• Manufacturer: MediaTek.

• Package: BGA.

• Function: Main power distribution for CPU, GPU, and memory in 5G devices.

Common Fixes:

1. Dead Set: Device does not power on, showing low or zero current draw.

2. Boot Loop: Continuous restarting due to unstable voltage regulation.

3. Short Circuit: Overheating component causing the device to shut down or drain battery rapidly.

Compatibility: Found in smartphones powered by MediaTek Dimensity series processors (e.g., Dimensity 900, 1100, 1200), such as:

• Xiaomi / Poco: Redmi Note 10 Pro 5G (China), Poco X3 GT.

• Realme: Realme X7 Max, Realme 8s 5G.

• Oppo: Reno 6 / 6 Pro (MediaTek versions).

Technician Note: Ensure the IC suffix is exactly “W”. Other versions (like V) may differ in ball map layout.