The Power Supply Selector Web app helps installers and equipment wholesalers' sales staff quickly determine the appropriate power supply for fire alarm, video, intrusion and access control systems.

Robust systems often have several different power sources, and switches are implemented to separate the power supplies from each other to avoid damage. In most cases, multiple diodes are placed in the ...

Suited for power-source selection for notebook computers and dual-battery portable equipment, the MAX1538 power-source selector IC selects one of the two batteries or an ac adapter to power the system ...