You will need to check USB suspension settings as we suspect the USB ports are still powered when off, for charging. Normally there is a Bios setting to deal with…
The guaranteed maximum downstream current provision complies with the USB 3.0 standards, that is 5v DC @ +/-0.25v unloaded, with 900mA maximum current at > 4.5v DC.
Most USB 2.0 ports support > 0.5A in practice. A key factor is the USB cable, excessive voltage drop due to high resistance will cause problems and excessive current draw.…
We have found out that some USB DAC’s do not comply to USB standards. For example, there is one customer where it did not work with a special USB card,…
USB signal integrity contains a number of factors, jitter is one, signal rise-time, signal level and signal balance between the two wires are other factors and excessive ripple from reflection…
If the switch needs to be set to provide either RF grounding or grounding down to DC, the most likely reason is that there is no ground/earth for the system…
Let us clarify: 1) Light switches triggering, this means it is the spark energy when switching. Early radio used “spark gap” transmitters to transmit Morse wireless, the same physics are…
Yes, if you draw more current than iGalvanic 3.0 or the source can supply, the power supply in the iGalvanic 3.0 will limit current by lowering the output voltage.
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Firstly, it should be stated that ifi’s USB driver is a safe and reliable software that will not cause any adverse malfunctions to your computer. There are generally three situations…
Do not use poor quality cables, especially cables with a thin conductors and high resistance as it can lead to problems. Please use the provided USB 3.0 cable or cable…
Is the USB device self-powered? If so it could be because its powered externally and when booting up the computer or source there is a loss of connection with the…