The terms “Power Supply” and “Battery Charger” are often used interchangeably, but they perform distinct functions. A power supply is designed to supply a constant voltage to a load. As the load requirements change, it continues to supply a fixed DC level. A true battery charger generally supplies a regulated current, first to charge the battery,…
There are generally two standard configurations when it comes to grounding in a switching power supply. One method for a normal three wire line input is having the AC ground connected only to the inlet ground terminal. In this method, there is no connection to the output ground,...
In order for typical LEDs to work, they require a DC voltage source. Depending upon how many LEDs are being powered and how they are wired, they will best employ either a constant voltage or constant current supply. LED arrays with a built-in driver module will only need a ...
There are many styles of output connectors used in today’s power supplies. Two of the most commonly used output connectors are the female barrel and male DIN. They are economical, widely available, and a good choice for many power supplies. However, there is a tendency to...
RoHS, a directive by the European Union which restricts the hazardous materials found in electrical and electronic equipment, has undergone a few changes and updates. Now designated RoHS 2, the new revisions include 3 new product categories: Medical devices. In vitro diagnostics medical devices. Control and monitoring instruments. Also, products will…