All Questions
Tagged with power-delivery usb-device
6
questions
-1
votes
2
answers
229
views
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 ...
- 11
0
votes
0
answers
84
views
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
0
answers
245
views
USB C PD source not powering simple USB 2.0 sink
I made a simple PCB that I wanted to be powered through a USB C connector with low current requirements (~50mA). I spent some time reading through the USB C Spec as well as reading other relevant ...
- 345
0
votes
0
answers
72
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USB 2.0 0.9A and Data (hub) Simultaneously
Trying to combine USB hub and higher-than-default USB charging currents.
My experience with implementing USB is close to zero, although I usually have no problems with datasheets and other designs I ...
- 3,613
0
votes
1
answer
177
views
Is a PD controller necessary if VBUS is always >5V?
I'm trying to implement a board that will use USB-C Power Delivery. We want to operate with 20V 5A input. If we know the source will always be at 20V, is it necessary to put a PD controller on the ...
- 1,197
5
votes
1
answer
1k
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USB C PD fast power role swap
I'm currently designing a device, which consists of a STM32 microcontroller with USB 2.0 support, USB 2.0 hub and few dimmable leds.
STM is connected to the hub, along with few other devices. Hub is ...
