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 supplies ...

This report describes a 20 W USB PD power supply using Cypress CCG2 and InnoSwitch-CP devices. It is InnoSwitch-CP industry’s first AC/DC IC with isolated, safety rated integrated feedback. With an ...

USB ports have quietly turned into the default power outlet for phones, laptops, headphones, and even monitors, but the ...

How many watts can a USB port actually output? The answer depends on your cable and protocol. Here is the ultimate guide to ...

Those who work in different spaces may have different definitions of the term “high voltage”. For someone working on the GPIO pins of a Raspberry Pi it might be as little as 5 volts, someone working ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Geoffrey Morrison The Epicka Universal Travel Adapter has been updated to ...

Every PC has a USB (UniversalSerial Bus) port that can supply5V±5% at 500 mA for peripherals. PoweredUSB hubs also provide this power.You can use a USB port to power an externalcircuit, which is ...

Just finishing remodeling my home office and I am in search of a surge protector that also would allow me to charge and ipad, iphone and other USB chargers with as many amps or better than the iPad's ...

Here’s a useful gadget that will help you keep your devices juiced up while you are out and about: the Portable USB Power Supply. This portable gadget charger has built-in batteries that can be ...

With the range of gadgets I carry around, I have a hard time making sure they are always juiced up. Here is a useful gadget designed to keep your gear charged on the go, the Portable USB Power Supply.