What are the spec needs for for a USB power-sourcing programmable power supply (PPS)? What comprises a high-efficiency USB-C buck converter solution. The key factors behind a USB-C buck-boost ...

USB has become as much a standard for connecting power to portable devices as it has for serial communication. Recently, the power aspects of USB have been extended to cover battery charging as well ...

USB ports have quietly turned into the default power outlet for phones, laptops, headphones, and even monitors, but the wattage behind that familiar rectangle is far from uniform. Depending on the ...

Apple in June released a new dual-output USB-C charger, allowing users to charge up two devices simultaneously. However, there are less expensive — and better — alternatives out there. The new 35W ...

Whether or not you accept Apple’s explanation for why it no longer includes a charger in the box with the iPhone 12 series, the fact remains: The only accessory that now comes with the newest phones ...

If you’ve ordered a new iPhone recently, you’ll notice that the box is a whole lot slimmer than in previous years. That’s because the bulkiest accessory is gone: the power charger. Apple has removed ...

Your new iPhone 12 will have a USB-C to Lightning cable — but no AC power adapter. Here are some great choices for adapters, if your tech drawer isn't already full of them. Using USB-C to charge your ...

Most of us blame the cable or adapter for slow charging or slow data transfer. Only the techiest person among us, questions the Power Output of USB Ports. If you are one of them and you want to know ...