
Why are CC1 and CC2 only connected to USB-C?
Mar 24, 2024 · Notice that there are only VBUS and CC1 and CC2 (and of cource GND) connected to the USB-C holder. Question: What is the use of CC1 and CC2 if your USB-C …
usb device - USB Type-C: Are CC1 and CC2 interchangeable?
Feb 9, 2021 · The schematic bellow is a USB controller, designed to be used to change USB's VBUS voltage: Question: Are CC1 and CC2 interchangeable, meaning that red-marked labels …
Does USB-C Power Delivery require both CC pins or D+/D- pins?
Feb 27, 2024 · My issue is with the USB-C connector. The IC requires CC1, CC2, D+ and D- in order to negotiate the current draw. I am struggling to find a USB-C connector with these …
circuit design - Is it sufficient to put 5.1k pulldowns on CC1 and …
Nov 18, 2022 · Is it sufficient to put 5.1k pulldowns on CC1 and CC2 of USBC to get 5V 1.5A? Ask Question Asked 3 years, 1 month ago Modified 1 year, 9 months ago
usb c - Electrical Engineering Stack Exchange
Jun 28, 2019 · USB Type-C specifications, V1.4, has several places that deal with use of CC1 and CC2 pins. If you are making a USb 3.x implementation, the active CC pin will tell you the right …
Are USB type C pull resistor neccesary on CC and SBU pins?
Sep 25, 2021 · hello im trying to make a usb receptacle for my microcontroller, im planning to use USB Type C, Although i only need USB 2.0 functionality i might as well design it to …
USB-C pulldown on the CC lines: Is one resistor enough?
Feb 7, 2024 · Beware, if you take a 4.7kΩ resistor, you must take a -13%/+30% or better one (but this is not in E3 any more), as you already ate some margin by taking an off value. 5.1kΩ is …
Correct way to wire USB 2.0 Type C connector?
Jan 11, 2021 · Or should I also pull D- up to 5V like this, while pulling CC1 and CC2 to the ground like this: I would be thankful to someone who could explain how to use these 2.0 Type C …
Review ESP32-S3-mini-1-N8 Schematics. USB Port is not detecting
Jul 2, 2025 · The USB type-C breakout board you used doesn't seem to have the required resistors in order for USB host to supply the VBUS and to establish the connection. If you are …
power electronics - Why does the USB-C give 9V instead of 5V ...
Oct 30, 2024 · Here's the setup I tested: PCB with 5.1 kOhm pull-down resistors on CC1 and CC2: Resulted in 9V, with smoke on the PCB. USB-C breakout board (Adafruit) with the same …