Power

External/Internal (Off-Board) Power Supplies are standalone power conversion units meant to be mounted into an enclosure or onto a chassis rather than directly onto a board. They are designed to handle higher power levels, have greater isolation, and withstand more demanding environmental and safety requirements than typical board mount supplies. They are widely used in industrial systems, medical devices, communications equipment, embedded platforms, and infrastructure applications.

Types of External/Internal (Off-Board) Power Supplies

AC DC Desktop, Wall Power Adapters – Convert mains AC (120-240 VAC) to one or more regulated DC outputs to be plugged into external devices.
AC DC Converters and DC DC Converters – Modules mounted on external chassis or into cabinets/racks. Capable of converting AC (120-240 VAC) to DC or stepping DC voltages up or down.
LED Drivers – Constant current or constant voltage power supplies tailored for powering LED lighting systems. These incorporate dimming control and thermal protection for lighting.
PoE Injectors – Power supplies that deliver both data and DC power through Ethernet cabling, conforming to IEEE 802.3af/at/bt standards.
Industrial, DIN Rail Power Supplies – Ruggedized enclosed power supplies designed to withstand harsh ambient conditions while mounted in control panels or industrial cabinets.

A bench power supply is an essential piece of equipment if you do a lot of electronics or other powered projects on your bench and need a reliable source of power at different voltages. They are very useful tools in testing circuits, as they allow you to adjust the voltage to a specific value depending on what project you are working on. A variable DC bench power supply also allows you to set a maximum current, so if there is a short circuit in your project the bench supply will shut down hopefully preventing any harm to some components in your project. Bench power supplies are versatile, accurate and stable and don’t cost too much.

When it comes to power you have 4 units to be aware of, Current, Voltage, Power and Resistance. It’s very important that if you are supplying your circuit with some voltage, your supply can keep up with the current drawn.

Discrete Power Components: Referring to components that can be used with PMICs, or individually to create specifically tailored solutions. Getting down to this level provides the greatest flexibility but also commonly the greatest amount of development and expertise is required.

Power Management Integrated Circuit (PMIC): Referring to a wide range of Application-Specific ICs or ASICs. They generally take more planning (and often additional discrete components) to create a full solution than using a power supply.
Power Supplies: Referring to a device which transforms power, often stepping up or down a voltage. There is not as much customization at this level and leaves the power solution to more of a black box.

Power products are available at IBS Electronics from industry leading manufacturers. IBS Electronics distributes many power product manufacturers including Advanced Energy, CUI Inc., MEAN WELL, Murata, RECOM, Schaffner, TDK-Lambda, TRACO Power, Vicor and XP Power & more. Please view our large selection of power products below.