Shock resistant sixteenth brick DC-DC converters target industrial and railway designs

Shock resistant sixteenth brick DC-DC converters target industrial and railway designs

New Products |
By Nick Flaherty

The IRS-Q48 series from Murata Power Solutions provides basic insulation with 2250 Vdc input-to-output isolation and a fully regulated DC output in an industry standard 1/16th brick pinout. The range includes modules with outputs of 3.3, 5 and 12 Vdc with up to 50 watts of output power. The universal Vin range of 18 – 75 Vdc meets the requirements of EN50155 for nominal input voltages of 37.5 Vdc and 48 Vdc including brown out and transient conditions.

The IRS-Q48 series is available with an option for a standard or a flanged baseplate for various conduction cooling configurations including cold wall mounting and has an efficiency of 91 per cent. The electrical and mechanical design incorporates proprietary technology providing shock and vibration tolerance that meets or exceeds EN 61373:1999 Category1, Class B, Body Mounted requirements.

With its wide 4:1 input range, the IRS-Q48 series supports common bus voltages of 24 V, 28 V, 37.5 V, 48 V & 54 Vdc commonly found in industrial, industrial mobility and rail electronic systems. Applications for these converters will be in the rail eco system including, but not limited to mobile communications signalling, lighting, signs, computing, motor drives, control modules, and security systems. Other applications include 12 V, 24 V & 48 V battery systems, smart grid systems, intermediate bus, harsh environment applications in networking equipment, wireless networking equipment for mobile computing, test equipment, and other applications requiring a regulated 3.3, 5 and 12 Vdc source.

Standard features of the series include baseplate cooling, encapsulated mechanical design, on/off logic control, output short circuit & overvoltage protection, along with, input under voltage lock out (UVLO) over temperature protection circuits.

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