The demand for smaller, lighter, and more efficient AC/DC USB power delivery (PD) chargers is always a challenge for power-supply design engineers. Below 100 W, the quasi-resonant flyback is still the ...

Electric vehicles are an important wave of the future, offering motorists a cleaner and more efficient way to travel. But when it comes to charging their batteries, electric vehicles have a particular ...

Every parent knows the constant cycle of buying or recharging batteries for kid-related products—but the Instructables web site has some guides to modifying your gadgets to use AC power instead of ...