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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Asymmetric charging with (symmetric) USB C
I'm wondering if asymmetric charging behavior (does it differently depending on which orientation is used on the cable connector) is a feasible failure mode with USB C, which is supposed to be an ...
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USB-c replacement [closed]
I purchased some used parts for a switch such as this motherboard. I’m assuming this board is not fixable.
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Universal laptop charger on USB-C computer
I recently bought a new laptop that came with a USB-C charger, leaving me with a few universal chargers from my old laptop that do not have a USB-C tip, but have the power capacity to supply the 20V/...
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USB C to USB A female [closed]
Hi guys I need some help I have got a new phone that's USB C and I need to make an OTG adapter. I have a USB C end that's got a circuit board with two little chips in it that I tried to test and I ...
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USB-PD 3.1 (up to 240W) Dual-Role Port Controller
TLDR: do any dual-role USB-C port controller ICs support USB-PD 3.1 to allow 240W charging?
I am designing a power management module for an ebike which will utilize bidirectional USB-C Power Delivery. ...
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USB-C connector's suitability in a moderate- to high-vibration environment
Garmin has long deployed USB minis in aviation and it has seemed to work out. I'm curious if there is any data out there about USB-C's history in moderate- and high-vibration environments, such as an ...
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Connected my keyboard to Apple 67W USB-C Power Adapter: Voltage Concerns [closed]
I recently had an experience with my keyboard (HHKB Professional Hybrid Type S) that I wanted to get some additional insights on.
Specifically, I accidentally connected my keyboard to a 67W Apple USB-...
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Sanity check for USB-C connector schematic
I have a custom PCB with a microcontroller but it doesn't work. I have checked the PCB with a multimeter, but I couldn't find any obvious issues. I suspect that something wrong with the design, or the ...
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STM32H723 not entering USB DFU mode
Designed a custom STM32H723 board and not able to enter USB DFU mode when holding 'boot0' and releasing 'reset', or when holding 'boot0' and powering the board up.
Note that the MCU code does NOT ...
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USB Type-C pins' designation
I am trying to design a USB to Serial converter featuring CH340C IC and I'm a bit concerned whether I have correctly hooked up the SBU, DP/DN, and Shell pins. Is there any chance that I did everything ...
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Android phone/tablet and computer does not recognize the 2d lidar connected by type-C [closed]
We are using a lslidar m10 which has a type C interface. It can be connected to the USB A port on a computer and work fine.
Now we look to use the lidar with an android tablet/phone which only has a ...
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USB 3.1 Super Speed Signal Directions
This is a question about the signaling direction of the unidirectional USB 3.1 Super Speed Signals known as RX+/RX- and TX+/TX-.
Context: Imagine you have a standard USB-C cable, and a phone. On one ...
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Using USB-C connectors and cable for non-standard connection between two boards in prototype
I am building a wearable prototype where I need two custom PCBs to interface between, and power, a system-on-a-chip on one end, and two sensors on the other. The PCBs will be situated about 0.5—1 m (1....
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Routing USB-C 2nd D+ D- Pair Using Through Hole Receptacle
Using a Molex Rt Angle USB-C Receptacle 2169890002. The 0.9mm spacing of 0.4mm holes does not allow signal traces placed between the pins. Will only be running USB 2.0 and really want to retain the ...
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USB-C OTG adapter board with simultaneous charging
Follow up on my question from yesterday: DIY USB-C OTG adapter with charging
I made some changes using the current USB Type-C Specs: https://www.usb.org/document-library/usb-type-cr-cable-and-...
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USB C Power delivery doesnt work properly
I'm designing a 5V Power source for USB-C devices.
Based on this hackaday article I've chosen 10k Pullup resistors between the CC lines and 5V to indicate that my source can supply up to 3A.
My power ...
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USB-PD over USB-A
I have a power adapter from Samsung which supports an output of 5.0V 2.0A or 9.0V 1.67A. The adapter has a USB-A output and fast charges my S10 at 9V. Can USB-A be used for USB-PD?
I also have a ...
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Is it possible to charge a device at higher power while maintaining USB 2.0 data transfer?
What I've got:
A car with a USB port that only supplies 500 mA.
An android phone with USB-C that supports QC3.0 and PD2.0
...So the phone discharges while driving with Android Auto.
What I want:
I ...
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Android tablet, RFID reader module + Charging with one USBC port
I came here to ask you for some advice, comments or a completely different approach to my project.
I have an Android tablet with a USB-C port and I would like to connect to the port RFID reader module ...
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How to set the transimission line impedance of Type-C to DisplayPort?
I have drawn a PCB adapter board to convert the Type-C signal to DisplayPort, using the CYPD3120 scheme from Infineon. The schematic is as follows:
(A clearer version can be found here Schematic.pdf)
...
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IC to detect when connected to DCP vs SDP/BQ24392 Wiring Help
I'm designing a device using the MCP73871-2CC, which I would like to be able to vary its charge rate via the SEL pin. For this purpose, I think that an IC would be needed that could detect the ...
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Have I designed and routed my USB-C port correctly because when I connect my 3D printer I measure voltage on vcc
I have designed my usb-c connection as in the attached pictures, however whenever I connect my Ender-3 to it I measure between 1-2V on different parts of the circuit including the data pins on the ...
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USB-C to Low-Profile Connector Cable [closed]
I'm designing a board that involves USB-C power delivery (PD) and I am in need of a very specialized connector. The project design does not allow for mounting a USB-C connector on the board itself due ...
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USBLC6-2P6 - does the direction matter?
I'm designing a simple PCB with STM32F4 MCU and USB, and I want to use USBLC6-2P6 for ESD protection. However, using the EDS protection device as presented in the datasheet creates the need for me to ...
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Are there any extra steps I can take to prevent noise on the output of this circuit?
I made a rectifier/boost converter PCB board in order to power a USB type-C charge module. The USB charge module will solder into the output posts on top of my board. And, since the charge module ...
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Using USB 4.0 port as USB 3.2 Gen2 x2 (10 Gbps per lane) with USB-C connector without PD-Controller
I'm designing a Motherboard with AMD Ryzen 7040 series APU, and I'm interested to use one of it's USBC ports (which support USB 4.0) only as USB 3.2 Gen2 x2 port.
I know that USB-C connector could be ...
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Solar panel output [closed]
I have a mosquito lamp that runs off a solar panel or it can run with a USB-C. I don't need the solar panel so I thought I would keep it in my emergency supplies to power a cell phone if needed. The ...
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Issue in Firmware Upload
I have a PCB with ESP32-Wroom32 module and CP2012N is used as USB to UART converter for Firmware upload via Arduino IDE. Issue is when I connect USB of PCB to my PC then my Task manager is not showing ...
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How is this USB connector supposed to be soldered
I'm using this USB-C connector in a project but could not figure out how it should be soldered to the PCB. I could not figure it out from the datasheet either. It says it is an SMT component - does ...
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how to extend usb c cable (usb 3)
its look like this qus is simple but its not at all
see here what i did
i have m1 air base model, and i have lack of capacity, its only 256 so i thought i need more space
so i thought why not put m.2 ...
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Using USB C 3.x cables with an E-mark chip for non-USB applications
I was looking for a multi-pin cable assembly that is push-pull capable, shielded, has dedicated power lines and multiple twisted pair cables inside. The idea is to use these cables to power ...
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How to make an USB cable cross a door?
Note: I am torn between posting this here, SE DIY or SE IoT. Since this is related to powering on my smart devices and the electrical connection I need to use, I finally settled down on SE EE. Please ...
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Will it work if I put two e-markers on both side of USB-C cable
One of connectors on my USB-C charging cable is broken. It's a 5A cable with a e-marker that has 6 pins, D+/-, CC/VConn, VBUS+/-. I want to replace the broken connector but I'm not sure whether it's ...
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How to connect USB-C port to USB hub?
Sorry if this is a dumb question, I'm very new to all of this. I'm trying to connect the upstream port on a 4 port USB hub to a USB type C plug and I'm somewhat confused on how to wire the TX and RX ...
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EAGLE Schematic connection check (USB C)
I'm a beginner in PCB designing and I want to use a USB C port on my custom PCB for powering and data. For this purpose, I have created below schematic in EAGLE.
My questions are:
I connected DN1 and ...
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Why is this USB-C cable working in only one orientation?
Background
I have a friend who, for the sake of his project, is wanting to lead a USB-C cable out from his USB-C Arduino into a PCB he designed. From there another USB-C port would sit outside of the ...
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No connection between Nintendo Switch and PC on custom cable
I had a USB A -> USB A (3.0-) cable and out of concern I might damage something if I don't use it with the cheap capture card it came with, I cut one end off and replaced it with a USB C connector. ...
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Is USB-C unsafe in humid/water conditions? [closed]
We had a case in France of a teenager who died by electrocution while taking a bath when his phone that was being charged fell in the bathtub (as reported by the press).
How is it possible taken into ...
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12VDC LED blinks when powered by a PD charger using a USB-C decoy module
I am trying to build a low-voltage LED lamp powered by a USB-C PD power adapter instead of a traditional DC power supply with a barrel connector. Several reasons for this:
USB-C cable is detachable ...
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USB C ESD Device [closed]
Is there a ESD Device that solves the problem of having to use vias or resistors to connect the 4 D lines of USB type C connectors? One that for example has 4 input for D lines that connects the D+/D- ...
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Automatic MCU Reset for Battery-Powered Single-Button Product
I'm designing a battery-powered product with a USB-C PD charging port and a single user button. I'd like to be able to build in a feature for recovery and re-programming where the user holds down the ...
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Checking voltage of battery with a USB connector
I soldered two wires on female USB type A pins,one wire to ground and the other to the VCC pin.
I was trying to check the battery voltage of the li-ion battery in my flashlight,
I connected the a ...
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Laptop charger (USB-C) kaputt, repair, substitute or buy new? [closed]
My laptop charging cable has a presumablyl slack joint and doesn't charge anymore. (It previously charged when you maneuvered the cable into a certain direction).
I'm now contemplating these three ...
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LTE SC206E Smart Module acting as USB host and device
We have a requirement such that SC206E should act as a device when USB cable is connected to
J12 for programming ,otherwise it acts as a host. For this purpose we have implemented the circuit as shown ...
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USB-C PD Smartphone
My scenario: USB-C 5V smartphone charger is connected via USB-C cable to an breakout board. Both breakout boards are soldered together (All A Pins to A and all B to B). So basically I only extended ...
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First time schematic for USB-C power detection
Hey all I am creating a PCB that allows me to detect when I plug in a tablet, laptop, etc. to my home made tablet organizer. It's difficult to see if it made a connection in the back since you place ...
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5V power supply that accepts wires? (terminal block?) [duplicate]
I recently removed my Vivint SkyControl panel from my wall, and there's already a wire running from the outlet in my utility room to the dining room. I was hoping to use that wire as a charger for a ...
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Using only USB Type C signals without USB2.0 Signals
Need your help regarding SC200E USB. As per my understanding SC200E supports both USB2.0 and USB Type C.
My question is can we use it separately.
I mean we need to connect the USB2.0 signals of SC200E ...
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Which USB C cable has DN1, DN2, DP1 and DP2 or which USB C cable has A6, A7, B6 and B7 connected in both cable and receptacle?
I have designed a custom PCB to take sensor data over USB C. I need to use both differential pairs to send data over cause my sensor has 10 pins. I would like to know which USB C cable has all the 24 ...
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USB Type-C sink states
I'm a Digital engineer. I'm trying to understand how to write a testbench to verify the fsm state transitions in USB type C when acting as a sink, sink with accessory support and sink with try_sink ...
