Adafruit USB Type C CC Resistor Fixer

Angled shot of USB-C breakout board with plug and socket connectors.

🛠️ Product Overview

The Adafruit USB Type C CC Resistor Fixer (Product ID: 6323) is a specialized utility board designed to solve a common frustration with modern USB-C hardware.

The Problem

Have you encountered a USB-C device that simply refuses to power up or communicate when connected via a C-to-C cable, yet works fine with a USB-A to USB-C cable?

This usually happens because the device manufacturer ~~skimped a few pennies~~ omitted the two required $5.1\text{k}\Omega$ Configuration Channel (CC) resistors. Without these, many USB-C power sources (like modern laptop ports) won't "see" the device and will refuse to provide $5\text{V}$ of power.

"It's the only product we hope we can discontinue one day, sooner rather than later!"

⚙️ How it Works

This compact PCB acts as a bridge between a USB-C plug and a USB-C socket. It ensures the power source recognizes the connected device by adding the missing pull-down resistors.

Signal Flow

Key Features:

Pass-through connectivity: For Vbus, Ground, and the two primary data pins.
Integrated Logic: Adds the necessary $5.1\text{k}\Omega$ resistors on the port side.
Visual Feedback: Includes a power good LED to confirm connectivity.
Form Factor: Can be integrated into a mis-designed port or spliced into a cable.

⚠️ Important Limitation: The plug pinout used here does not support high-speed pins or sideband wires. Therefore, this is intended for USB charging and basic synchronization, not for high-speed data protocols or specialty USB-C modes.

💰 Pricing & Options

Quantity	Unit Price
1–9 units	$4.50
10–99 units	$4.05
100+ units	$3.60

Optional Accessory:

Add a Snap-on Enclosure for an additional $1.95.

📏 Technical Specifications

Attribute	Detail
Dimensions	$24.8\text{mm} \times 14.0\text{mm} \times 3.4\text{mm}$ ( $1.0" \times 0.6" \times 0.1"$ )
Weight	$1.3\text{g}$ ( $0.0\text{oz}$ )
Design Files	EagleCAD files available

Compatibility Checklist

Do you actually need this?

My device uses a USB-C port.
My device fails to power up when using a USB-C to USB-C cable.
My device works fine with a USB-A to USB-C cable.
I do not require high-speed USB 3.0+ data rates.

If you checked all of the above, this fixer is for you!

🖼️ Gallery & Media

View	Image
Top View
Bottom View (Scale)
Socket Detail
Plug Detail
Angled View

Video Guides:

#NewProducts Feature
JP's Product Pick
Demonstration

🛒 Where to Buy & Related Gear

Global Distributors

USA: DigiKey, Mouser, MicroCenter
UK: The Pi Hut, Makersify
Australia: Little Bird Electronics, Core Electronics
India: ROBU.IN, Fab.to.Lab
Japan: Switch Science
South Korea: NTREX, Inc. - Devicemart, VCTEC KOREA
Europe: Kiwi Electronics (Netherlands), Kamami (Poland), BOTLAND (Czech Republic)

Suggested Accessories

{
  "suggested_products": [
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    "TS3USB30 1 to 2 USB Switch",
    "USB Type C Power Delivery Dummy (I2C or Fixed - HUSB238)",
    "USB Type C Power Delivery Dummy (I2C or Switchable - STEMMA QT/Qwiic - HUSB238)"
  ]
}