Powerelectronics 3831 085032 Excelsys Technlogies

PMBus Protocol Added to Xsolo Power Supply Platform

Nov. 30, 2015
Excelsys Technologies has announced the availability of PMBus communications on its Xsolo series of 1U, single-output power supply units (PSUs).

Excelsys Technologies has announced the availability of PMBus communications on its Xsolo series of 1U, single-output power supply units (PSUs). Xsolo units, equipped with an optional I2C digital interface, can be remotely monitored by system supervisory equipment utilizing industry standard PMBus protocols.

The Xsolo family is offered in a convection-cooled, 504W open-frame U-channel form factor model (6.8W/in3) and an enclosed, fan-cooled chassis model that delivers up to 1008W (13.6W/in3). Capable of achieving 92% efficiency, these ultra-compact and rugged PSUs are designed for the stringent requirements of medical, industrial, IT and military COTs applications.

The Xsolo family features dual safety agency certification: EN60950-1 for industrial applications and EN60601-1, 2nd and 3rd edition for medical applications—fully meeting the stringent creepage and clearance, 4kVac isolation and <300uA leakage current requirements. The Xsolo family also meets the voltage dip and interruption requirements of SEMI F47, as well as the environmental conditions per MIL-STD-810. In addition, the products are compliant with all relevant EMC emission and immunity standards.

The Xsolo platform offers system integration engineers a host of standard features, including variable fan speed, 12V/300mA isolated bias supply, remote ON/OFF, output voltage control and parallel operation for higher power applications. Nominal output voltages are 24V and 48V with wide adjustment ranges and user-defined setpoints. 

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