Questions tagged [usb-c]
USB (Universal Serial Bus) Type C, a 24 pin connector system with a rotationally symmetrical connector. Consider using the "USB" tag in addition to this one.
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Why can't USB-C receivers be as small as their USB-A counterparts?
We're all familiar with the USB-A 2.4 GHz receivers from companies like Logitech that are absurdly small and barely protrude from the port. But when looking at available USB-C equivalents, they are ...
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How is USB 3.2 still serial when there are so many data cables?
This is a very ignorant question, as I am just getting into wiring diagrams and trying to understand them, but look at this picture of usb-C with usb 3.2:
With 2 high speed data paths, plus the old ...
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Why does a female-female coupler break the USB-C standard?
I'm working on a project which uses a PCBA which basically acts as a USB-C extension. It has 2 USB-C receptacles (female) connectors. The mapping between the two receptacles is one to one. The pair of ...
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Wiring diagram for USB-C to USB-A cable?
I make USB cables (USB-A to Mini or Micro primarily), but don't have any experience with USB-C. I would like to create a cable that has a USB-A (2.0) connector on one end, and a USB-C connector on the ...
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Connecting two "USB C" hosts, what happens?
Up until USB C all the USB connectors were carefully chosen so that two hosts could not be plugged into each other.
With USB C both the host and device have the same connector. With this setup it is ...
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What shape should the PCB edge have for this USB connector?
In the recommended layout for USB4500 by GCT (a mid-mount USB-C receptacle) there are these unexplained circular cut-outs on the PCB edge. What are these for? Are they needed? There are no dimensions ...
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Using USB-C as a power source
I'd like to complete an electronics project by allowing it to be powered over USB-C. The specification is complex, I'd love some help understanding it!
I'll need to draw ~ 250mA at 5V for my project (...
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How to get 20 V from a USB-C charger?
I want to power my DIY stuff with a MacBook Pro USB C charger. The label on a charger says that it can provide three different power profiles:
20.2V - 4.3A
9V - 3A
5.2V - 2.4A
There is a ton of ...
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Does USB-A connector have the pins required for USB power delivery (PD)?
I have looked at various USB power delivery (PD) adapters that supply a certain number of watts and are powered by 230V mains voltage. Always, they seem to have either a USB-C port or a full USB-C ...
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Why would a USB-C adapter have a pull-up resistor?
I'm talking about a USB type-C male to USB type-A female adapter, the ones you need to connect a USB flash drive to the latest MacBooks.
According to USB-C specification, this sort of adapter needs a ...
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Ways of improving USB-C mechanical durability
Many PCB-mounted connectors, in my case a USB-C have no specification regarding mechanical integration. Often, the mechanical durability seemingly relies on through-hole (sometimes even surface mount) ...
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Can USB Type-C 2.0 upstream (device) connect its CC pins and share a pull-down?
Since USB Type-C cables have only a single CC wire for detecting orientation (Microchip USB Type-C diagram:
can an upstream (device) connect its CC1 and CC2 pins and share a single pull-down resistor?...
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Are USB type C pull resistor neccesary on CC and SBU pins?
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 specification so that the mCu ...
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What are the max. overmold dimensions for USB-C plugs?
In contrast to earlier USB specs, the USB-C specification doesn't seem to define a maximum width and height of the overmold part of the plug (according to figure 3.3, there is just a length defined).
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Routing USB 3.x Type-C Signals
I'm designing an open source USB Type-C Switch (KVM Style), and I started to route the USB 3.x SuperSpeed+ and USB 2.x HighSpeed differential signal pairs on the PCB.
The switch will have 2 input + 1 ...
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