All Questions
239
questions
2
votes
1
answer
68
views
FT230X using USB-C receptacle not working for data transfer
I have tried to add a USB-C connection to my PCBA solely for data transfer.
I have used a FT230XQ-R microchip (Datasheet) and followed their uploaded example for a USB-C receptacle. I have now ...
- 43
0
votes
0
answers
23
views
ESP32, BQ25895 sharing usb data lines
Im building a portable device with a ESP32-S3 which will be interfaced with a SD card, and a BQ25895 charge controller. The ESP32 will connect to the computer as a mass storage device. The BQ25895 ...
0
votes
0
answers
21
views
USB Type-C DFP Host Port implementation without Switch
I am currently designing a new board that has a four port USB 3.2 x1 Gen1 hub on it. I only need two ports and now thinkering how to best make use of the other two ports.
The idea was to make at least ...
0
votes
1
answer
51
views
Question about DC pin in USB C module. Is it possible to connect two USB C and Micro USB connectors in parallel to charge the same battery?
Good morning everyone,
I received help from several members of this page regarding my goal of adding a USB-C connector to a tablet that already has a micro USB connector for charging. After ...
- 145
0
votes
1
answer
54
views
Are the data pins necessary on a mini USB connector used only for charging a tablet? Is the ID pin used for OTG?
I have an older tablet, and I plan to replace the charging-only micro USB connector (which does not transmit data) with a USB-C connector. However, upon examining the pinout, I noticed that the two ...
- 145
0
votes
1
answer
102
views
How do I implement a USB-C connector onto a pcb to power a 3.3v Raspberry Pi Pico?
I've been looking into how to create my own pcb with a USB-C connector which breaks out into pins (VCC, D+, D- and GND) to then connect this to a Raspberry Pi Pico microcontroller but I have a few ...
- 3
0
votes
0
answers
50
views
How should I select the ohm values for pull-up and pull-down resistors in a device with a USB Type-C connector used solely for power
Good morning, everyone. I am exploring the transition of the receptacle from a micro USB connector to a USB Type-C. Initially, my plan included implementing both sink and source capacity. However, ...
- 145
0
votes
2
answers
86
views
USB C Power Delivery using below schematic?
I have limited experience with USB C and I want to design a board which needs to charge both a smartphone and another subsystem which draws around 1W. I have read that by just connecting a 5.1k ...
- 65
0
votes
0
answers
51
views
What is the meaning of a 28k pull-up resistor in an USB A-to-C cable?
Since that debacle a few years ago, I assembled a small test harness where I plug every new A-to-C cable that I get to check for the 56k pull-up resistor between CC and Vin and toss out the ones that ...
- 23
0
votes
1
answer
82
views
Is there a voltage limit implemented in USB A to USB C charging?
We have a supplier that designed a battery pack for us. The pack has a USB C port, and comes with a USB A to USB C cable.
The cable only has two wires (V+ and GND), with CC resistors embedded in the ...
- 3
0
votes
0
answers
33
views
How to design dual mode USB Type C power bank?
I want to design power bank that has 2 USB Type C ports and uses a large lithium battery inside.
I want to be able to use 100W power delivery when possible. I am absolutely overwhelmed by looking at ...
- 182
0
votes
0
answers
42
views
Configuring a USB-C/PD Controller IC for a Type-A Output
I'm working on a new USB charging product to be installed on airplanes. I understand the power requirements well enough: it has to take 12V-32V input and be able to provide up to 45W of power per ...
- 31
0
votes
1
answer
63
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Seeking USB-C Female PCB Connector for Razer Kraken X Headphones Adaptation [closed]
I’ve recently undertaken a project to adapt my Razer Kraken X USB headphones from a USB-A to a USB-C connection. Originally, these headphones featured a male USB-A cable designed for PC connection. I ...
- 103
2
votes
3
answers
1k
views
Why are CC1 and CC2 only connected to USB-C?
This is a schematic where USB-C is used to power a circuit device.
Notice that there are only VBUS and CC1 and ...
- 1,324
0
votes
1
answer
64
views
USB Type-C receptacle vs plug
I am learning about USB Type with the help of this material.In that you can see that two figures Fig1 and Fig2 says USB Type-C receptacle and plug.
May I know the difference between USB Type-C ...
- 2,593