All Questions
Tagged with usb-c microcontroller
13
questions
1
vote
2
answers
144
views
Device is not charging (how to test ic)?
I have this USB-C rechargable vacuum cleaner. But 2 months after I replaced the battery for a bigger one (from 1500 to 3000 mah 18650) it is not charging anymore, it used to charge with the latter ...
- 69
0
votes
0
answers
48
views
Review of a rocket flight controller schematic
I am currently designing a model rocket flight controller, which is supposed to calculate the altitude using a barometer and accelerometer and fire two pyro channels for two stage parachute ejection. ...
- 97
1
vote
0
answers
49
views
Protection considerations for powering a microcontroller circuit through USB-C/Micro-USB
I am working on a project which utilizes an Adafruit ESP32 Feather V2 microcontroller and has a bunch of components requiring 5V.
I will have everything on a perfboard and to power it more easily, I ...
- 11
1
vote
1
answer
74
views
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 ...
- 385
0
votes
0
answers
84
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USB connection and reconnection issue
I have upgraded a design with a USB2412 to a design with a USB2514Bi chip to have more USB ports available.
During testing we discovered the device works like expected when we connect it to a USB A ...
user220456
1
vote
1
answer
2k
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USB UFP and DFP - differences
How to understand or differentiate between a USB upstream-facing port and a downstream-facing port?
Just want to understand it to place the resistors on the CCx pins in case of using a Type-C ...
user220456
0
votes
1
answer
209
views
How to connect a 24VDC LED light strip and 5V/500mA microcontroller board to power with a single USB-C cable?
I have a 24VDC LED light strip and 5v/500mA microcontroller board that I would like to connect to power with a single USB-C cable. At the moment they connect to their own power sources and the light ...
0
votes
1
answer
99
views
USB Powered modes
I was trying to understand USB and Ethernet interfaces and found this device and its associated hardware design checklist - Link.
On page 10, Section 9-2 of the hardware design checklist, they have a ...
user220456
3
votes
3
answers
6k
views
JRC-B008 for USB-C microcontroller power supply
I would like to use these exact female USB-C ports (labeled JRC-B008):
to power a microcontroller at 5 V. Soldering the V -> ...
- 33
4
votes
2
answers
2k
views
USB communication between Android phone and MCU while continuously charging the phone
I am working on a project where I have to communicate between an Android phone and a microcontroller through USB and continuously charge the phone. I have very limited experience with USB and would ...
- 41
0
votes
0
answers
144
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FUSB302 - Two devices, transmission between them
I have controller device with a FUSB302 Programmable USB Type-C Controller with PD for power detection for charge battery.
I want to make a subdevice to emulate my own hardware. I know that FUSB302 ...
- 101
0
votes
1
answer
103
views
Adding a second usb port to get around current limit
I'm building a keyboard with the proton c controller, from what I can gather it uses a usb2 port. Now the problem is I want to use an ssd1306 OLED panel and almost per-key RGB (around 70 LEDs total). ...
- 15
2
votes
2
answers
655
views
USB Type C Power Delivery with STUSB4500, making the device compatible to USB 2.0/3.0 using a USB A to USB C cable
for my application, I decided to use USB Type C Power Delivery in combination with the STUSB4500 (Datasheet: https://www.st.com/resource/en/datasheet/stusb4500.pdf) sink controller that helps to ...
- 23