While seemingly mundane, wall phone chargers — whether that's a GaN phone charger, fast charger, or just the regular USB-A charger — have become a necessary staple in your daily routine. You need it ...

The iW1700 zero-power ac/dc digital PWM controller enables low-cost, energy-efficient 120/230V-ac offline adapters and chargers requiring as much as 5W, which consume zero no-load power for cell ...

I recently bought a replacement laptop PC from Dell and was happy to see that its AC/DC power adapter had the same ratings as the ones I had from two now-defunct Dell laptops (19.5 V, 2.3 A/45 W).