Buy CD3217B13 Small Dot USB-C Charging IC for MacBook Air, MacBook Pro & iPad Pro | BilalGSM Pakistan

PKR 4200.00

The CD3217B13 Small Dot is responsible for establishing communication with USB-C chargers and negotiating the correct charging voltage required by the device. It controls charging operations, manages power distribution, and handles USB-C signal routing throughout the logic board. When this IC becomes defective, the charging handshake process fails, preventing the device from receiving the required charging voltage and causing power-related issues.

This chip is commonly replaced during motherboard-level repairs involving charging faults, no-power conditions, liquid damage, and USB-C communication failures.

Key Features

USB-C Power Delivery Controller: Manages charger communication and voltage negotiation.

Advanced Power Management: Controls charging circuits and distributes power throughout the motherboard.

USB Multiplexing (MUX): Handles USB-C signal switching and data communication.

Original Small Dot Variant: Specifically designed for boards requiring the CD3217B13 Small Dot version.

Apple Silicon Compatible: Widely used in M1, M2, and newer Apple devices.

Professional BGA Package: Suitable for advanced microsoldering and board-level repairs.

Compatible Models

MacBook Air

• A2337 (M1)

• A2681 (M2)

• A3113 (M3)

MacBook Pro

• A2338 (M1 / M2)

• A2442 (14-inch)

• A2485 (16-inch)

• A2779

• A2780

iPad Models

• iPad 10th Generation (A2696, A2757, A2777)

iPad Pro Models

• iPad Pro 11-inch 4th Generation (A2761)

• iPad Pro 12.9-inch 6th Generation

Common Logic Board Numbers

• 820-02020

• 820-02773

• 820-02862

• 820-02098

Common Fault Symptoms

A faulty CD3217B13 Small Dot IC may cause:

• Device stuck at 5V charging only

• Extremely low current draw (such as 0.04A)

• No 15V or 20V USB-C power negotiation

• No charging detected

• MacBook or iPad not powering on

• USB-C port not responding

• One USB-C port working while another remains dead

• Intermittent charging issues

• Liquid damage-related power faults

Important Repair Note

The Small Dot and Big Dot versions are NOT interchangeable.

The "dot" refers to the microscopic laser-marked alignment indicator located on the corner of the chip package. Apple uses different internal OTP memory configurations, firmware revisions, and hardware steppings between these variants.

Always inspect the original IC under a microscope before replacement. Installing a Big Dot IC on a board requiring a Small Dot version can result in firmware incompatibility, charging failure, 5V-only behavior, boot issues, or complete no-power conditions.

Benefits

Restores USB-C Charging: Resolves charging and power negotiation failures.

Enables Proper Voltage Handshake: Allows the device to negotiate 15V and 20V charging profiles correctly.

Cost-Effective Repair Solution: Eliminates the need for expensive motherboard replacement.

Essential for Apple Silicon Repairs: Commonly required during advanced M1, M2, and M3 board repairs.

Reliable Performance: Designed for stable operation in modern USB-C power management systems.

Applications

MacBook Logic Board Repair: Replacement of defective USB-C controller ICs.

iPad Motherboard Repair: Resolves charging and power-related issues.

Board-Level Microsoldering: Suitable for professional technicians and repair centers.

Liquid Damage Recovery: Frequently replaced during USB-C power circuit restoration.

Get the CD3217B13 Small Dot USB-C Charging IC at the best price in Pakistan from BilalGSM, your trusted source for professional Apple motherboard repair parts and components.