SM5440

The SM5440 is a high-efficiency Power Management IC (PMIC) designed for modern smartphones and portable electronic devices. It provides stable voltage regulation, intelligent power distribution, and reliable protection for multiple system components. Widely used in mid-range and high-end mobile logic boards, the SM5440 ensures smooth device performance and long-term stability.

Key Features

✔ Efficient Power Regulation

The SM5440 intelligently manages battery power and distributes clean, stable voltage to the CPU, memory, display circuits, and communication modules.

✔ High Compatibility

This IC is commonly found in smartphones that use advanced SoCs (System on Chips).
(Device compatibility may vary depending on the manufacturer.)

✔ BGA Type Package

Designed in a compact BGA (Ball Grid Array) structure for:

• Improved thermal stability

• Strong electrical connectivity

• Efficient performance in tight motherboard layouts

✔ Trusted for Mobile Repair

The SM5440 is frequently used in professional repair labs to fix:

• Charging issues

• Phone not powering on

• Random shutdowns

• Overheating problems

• Boot-loop caused by unstable power

Technical Specifications

• Model: SM5440

• Type: Power Management Integrated Circuit (PMIC)

• Package: BGA

• Function: Voltage regulation and power distribution

• Application: Smartphones, mobile motherboards, repair & replacement