All Questions
10
questions
0
votes
1
answer
259
views
How many AMPs can a powered USB hub output to a 3.3V NVMe drive (USB 3.0 & 3.2 Type A)
It is my understanding that powered USB Type A 3.0, 3.1 and 3.2 switches have over current control and will only output 4.5 watts around 0.900ma unless the output port is a type-c non pd port on the ...
- 294
0
votes
2
answers
1k
views
What could be causing this erratic power/voltage behavior with USB ports on a desktop PC?
In short, I am having issues with what looks like to be power management of USB devices by my computer. I have had the following symptoms pretty much since I bought it in November 2021.
When I connect ...
- 123
7
votes
1
answer
8k
views
How to detect what wattage that my Windows laptop is receiving via USB-PD?
I don't know too much about USB-PD. I understood that USB-PD requires negotiation between the charger and the receiver. So probably my Windows laptop (Dell XPS 9570) should be able to know the current ...
- 171
0
votes
1
answer
54
views
USB type C power
I use a USB cable (normal type A male on one end) and type C on the other.
I connect the C end to my Samsung tablet and the other end into my DJI Mavic drone remote controller. The connection works, ...
Ron
7
votes
1
answer
29k
views
USB-C Chargers: Is it safe to charge a phone with a laptop's power supply?
I have an HP Chromebook and a Nexus 6P smartphone, and both of them use USB-C connections for charging. When I plug the Chromebook into the Nexus's charging cable, it works fine and I just get a ...
- 417
0
votes
0
answers
280
views
Console powers off and powers on in quick succession. Insufficient current? Voltage drop?
I have a question about a specific setup I have.
I have a Nintendo Classic Mini console, this console:
requires 5V/1A through its USB 2.0 micro-B female connector to power the console
outputs ...
0
votes
3
answers
1k
views
Safe to use a 19V 2.15A DC adapter (a laptop charger) for an accessory that uses a 25V 0.75A DC adapter?
I picked up a USB steering wheel at a thrift store and it requires a power supply to 'nudge' the wheel back into place (if you let go of it, for example). It requires 25 Volts, 0.75A, yet the closest ...
- 103
0
votes
1
answer
4k
views
How to increase laptop/notebook USB voltage?
USB ports typically provide anywhere between 5-6V.
If a laptop/notebook USB port is only producing between 4-5V;
What can be done to fix (i.e. boost/increase) the output voltage?
- 2,751
3
votes
2
answers
6k
views
Can Current Backflow from Powered Hub's Adapter & cause PC Damage?
Getting this short:
Can current flow from a powered USB hub's power adapter (lying 10 Meter away) back to computer via usb port and cause damage to Computer components like mobo, etc?
What should be ...
- 191
1
vote
0
answers
379
views
1.8 VDC POWER remains on USB after SHUTDOWN (HP Compaq Pro 4300 SFF - Product ID: QZ219AV)
I am having unexpected opportunities with a USB Device failing to properly initialize on startup after a shutdown, which seems to be caused by residual power remaining on my USB Ports (after shutdown)....
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