A previously-published Design Idea outlined a polarity protection circuit that provides the correct connection of the battery to a load regardless of the battery’s orientation in its holder. The ...

A special control IC that emulates a “smart diode” along with an external MOSFET allows positive inputs and prevents negative inputs for automotive and industrial applications. This new IC replaces ...

Generally speaking, circuits with bipolar transistors do not exhibit excessive fault currents when the battery is reverse connected due to the presence of strategically placed resistors. However, ...

Fairchild Semiconductor offers a new line of low-power, application-specific, reverse polarity protection switches which also feature optional over-voltage transient protection. The devices provide ...