The simple current-limiting load switch shown in Figure 1 will be familiar to most readers. In this circuit, a high level signal applied to the input switches on MOSFET Q2, which energizes the load.

This article is part of the Ideas for Design Series: Vol. 3, No. 8. This circuit builds on a previous idea in which the addition of an optocoupler to a microcontroller output converted a “dumb” ...

Circuit breakers with extra features increase efficiency, thus saving time and money in the long run. Equipped with a wide range of UL approvals, the customer enjoys the advantage of looking no ...