Bulk power DC/DC supply suits distributed power systems

21 JUNE 2011

Murata Power Solutions announced the availability of the D1U4CS front-end 2,100 Watt DC/DC power supply. This highly efficient unit, typically 93% efficient at half load power, is designed to deliver bulk power to 54 VDC distributed power applications. With a floating output, the design engineer can wire the power supply in a +54V configuration for data centre environment or -54V configuration for telco central office environment. A 5 VDC, 0.75 A standby output is also provided. Typical applications include use in telephone exchanges in-line from the battery-bank providing a highly reliable and regulated supply. Capable of operating over a wide input range, from -40 to -72 VDC, this compact 1U unit measures 344.4 × 101.6 × 40.6 mm (13.5 × 4 × 1.6 inches) and has an extremely high power density of 24.3 Watts per cubic inch. Two internal fans provide forced air cooling. The D1U4CS is N+1 redundant, hot-swappable and capable of droop current sharing. It has a comprehensive set of power control, logic signaling and operational status functions. These faults and all other signals are available though the I2C / PMBus interface together with status information by front panel LEDs.

Murata Power Solutions

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