Power Electronics / Power Management


Compact configurable power supplies fully-featured

15 June 2005 Power Electronics / Power Management

XP Power has released its next generation of configurable power supplies that enables the company to offer an infinite choice of customised power solutions from 400 W to 2200 W.

The fleXPower family of AC/DC power supplies has been designed to deliver class-leading power density in packages 25% smaller by volume than industry-standard products. At the same time, many innovative features have been added: flexible series and parallel connectivity between units of different power levels, full medical and industrial approvals for safety and EMC, up to six outputs from 3,3 V d.c. to 150 V d.c. from a universal AC (85 to 264 V) or DC (120 to 370 V) input, floating controls and signals, field replaceable fans, an advanced logic interface, and an extended operating temperature range from -20 to +70°C.

The ability to interconnect units of different power levels enables system designers to closely specify the power level they need for each application without paying for excess power capabilities.

Each fleXPower configurable power supply consists of a chassis for the required power level in which there are 10 slots in models rated up to 700 W, and 12 slots for the 900 W versions. An extra 200 W of power is available from all chassis at high line input enabling the highest power chassis to provide 1100 W under these conditions. 2200 W units consist of two 1100 W units combined.

Individual plug-in modules are selected to build the power supply to the required rating and output configuration. Single output modules with the same voltage can be paralleled to obtain increased output current and these modules can be in completely separate fleXPower power supplies, if necessary. To obtain alternative output voltages, modules can be connected in series for up to 150 V d.c. output. All outputs are adjustable by ±10%.

The efficiency of fleXPower units varies with each configuration but is typically 85% at full load. They are over-voltage, over-temperature, overload and short circuit protected.



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