USB power supplies are super cheap and omnipresent. They are the Tribble of my household. But they’re not all created equal, and some of them may even be dangerous. I had to source USB power ...

Your computer likely has multiple USB ports, and maybe even multiple types of ports on the same machine, but how does that ...

There’s little technical reasons that a switch-mode power supply has to be hard-wired to a certain voltage, and USB-C breaks these chains. Now, you can get 9 V or 20 V at 3 A from a gas station ...

The newer USB Power Delivery Programmable Power Supply (USB PD PPS) standard supports configurable voltages too, enabling more optimal charging. If two devices fail to communicate a suitable power ...

Try using the same device on another computer, and if you receive the same error, it’s best to use a USB HUB that comes with its power source. They come with high-speed charging ports that ...

If you're unsure of the differences between USB-C and Thunderbolt or between USB 3.0 and USB 3.2 (or is that USB 3.1?), ...

A power tip that discusses how to address highly integrated USB PD charger design constraints with a self-biasing circuit.

Since the beginning of this year, the State Grid Zhenjiang Power Supply Company has applied standardized interface devices in key locations such as distribution rooms and transformers in the community ...

Such effort ensured that more than 100 households received uninterrupted power supply with minimal disruption. This was made possible through a technology known as the "electricity USB", which has ...