SIA8102 Power Supply Management IC PMIC

PKR 400.00

SIA8102 power supply management IC used for system voltage regulation and power distribution in smartphone motherboard repair.

Overview

The SIA8102 Power Supply Management IC is a PMIC (Power Management Integrated Circuit) used on smartphone motherboards to manage system power distribution and voltage regulation. It supplies stable power to multiple subsystems including processing, memory, and peripheral circuits. Failure of this IC commonly causes no power, random shutdown, boot failure, or unstable operation, making it a critical component in advanced board-level power repairs.

Key Features

• Power supply management IC for smartphones
• Controls and regulates multiple system voltage rails
• Ensures stable power delivery to critical components
• Integrated protection against over-current and voltage faults
• BGA package for motherboard-level repair
• Designed for compact, high-density PCB layouts
• Works in coordination with charging and power circuits

Benefits

• Restores stable system power and device operation
• Fixes no power and boot instability issues
• Ensures correct voltage levels across the motherboard
• Reliable replacement for damaged or shorted PMIC
• Essential for professional power-related repairs

Applications

• Phone completely dead or no power
• Device stuck on logo or fails to boot
• Random restarts or shutdowns
• Abnormal current draw during starture
• Overheating in PMIC area
• Power rail short or voltage instability

Compatible Models (if applicable)

Smartphones using SIA8102 power supply management IC

FAQ Section

Q1: What does the SIA8102 IC do?
It manages system power distribution and regulates voltage for multiple circuits on the smartphone motherboard.

Q2: What symptoms indicate a faulty SIA8102?
No power, boot failure, random restarts, or unstable operation are common signs.

Q3: Is SIA8102 a charging IC?
No. It is a PMIC responsible for overall system power management, not direct battery charging.

Q4: Is SIA8102 replacement difficult?
Yes. It is a BGA PMIC and requires advanced microsoldering and rework skills.

Q5: What is the expected repair result after replacement?
Successful replacement restores stable power distribution and normal device functionality.