To get the maximum brightness and working life out of a high-power LED, it needs to be driven at the optimum specified current. Allowing the current to exceed the permitted value is to be avoided at ...

Lighting-emitting diodes (LED) pervade nearly every electrically operated device, broadly serving functions ranging from power-status display to general illumination. With continuing advances in their ...

It isn’t unusual to expect a precisely regulated voltage in an electronic project, but what about times when you need a precise current? Over on EDN, prolific [Stephen Woodward] explains how to use a ...