343S00090 charging power IC for MacBook A1701, A1709, and A1852 used to repair charging and power issues.

Overview

The 343S00090 Charging IC is a charging and power management IC used on Apple MacBook logic boards, specifically models A1701, A1709, and A1852. It controls USB-C power input negotiation, battery charging regulation, and power delivery management. Failure of this IC commonly results in no charging, not detecting charger, or unstable power input, making it critical for MacBook charging circuit repair.

Key Features

• Charging and power management IC for MacBook

• Controls USB-C charging and power input regulation

• Manages battery charging and system power delivery

• Supports stable and safe charging operation

• Designed for Apple MacBook power architecture

• BGA package for logic board repair

• Original, new, and tested IC

Benefits

• Restores normal MacBook charging functionality

• Fixes charger not detected and no charging issues

• Ensures stable power delivery to the logic board

• Reliable original replacement IC

• Essential for professional MacBook board repair

Applications

• MacBook not charging

• Charger connected but no power

• Intermittent or unstable charging

• Battery not charging with known good adapter

• Power issues after liquid or surge damage

• Heating or short near charging circuit

Compatible Models (if applicable)

• MacBook Pro A1701

• MacBook Pro A1709

• MacBook Pro A1852

FAQ Section

Q1: What does the 343S00090 IC do?
It manages USB-C charging input and battery charging power on MacBook logic boards.

Q2: What symptoms indicate a faulty 343S00090 IC?
No charging, charger not detected, unstable charging, or power failure.

Q3: Is this IC model-specific?
Yes. It is used in MacBook models A1701, A1709, and A1852.

Q4: Is replacing the 343S00090 IC difficult?
Yes. It requires advanced BGA rework and professional microsoldering.

Q5: What is the expected repair result after replacement?
Normal charging detection and stable power delivery are restored.