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Isolated bus converter modules operate from 36V to 60V

Posted: 23 Oct 2015     Print Version  Bookmark and Share

Keywords:Vicor  bus converter module  converter  data centre  PoE 

Vicor Corp. has extended its Bus Converter Module (BCM) series of isolated, fixed conversion ratio, DC-DC converters. According to the company, the latest converters, which combine Vicor's sine-amplitude DC-DC conversion technology with Vicor's thermally adept converter, boast more than five times the output power capability, 25 per cent lower heat loss and more than four times the power density of similar products in the market.

Geared for nominal 48V power systems, these converters operate over an input voltage range of 36V to 60V and are available in two conversion factors: a K=1/4 unit with output voltage that is one-fourth of its input voltage and delivers up to 1.95kW; and a K=1/6 unit with output voltage that is one-sixth of its input voltage and delivers up to 1.5kW. Available in a 6123 (61mm x 23mm) ChiP through-hole package, the units feature a typical 98 per cent operating efficiency and power density of up to 2,870 W/in3. Configuration options include analogue or PMBus control interfaces and commercial or military temperature operating ranges.

Requiring less board area and fewer thermal management and output filter components than other solutions, these BCMs, when combined with downstream regulators, enable customers to configure low cost 48V power systems, as used, for example, in telecom and datacom data centres and Power over Ethernet (PoE) applications, with unprecedented levels of density and efficiency, Vicor stated.

Product and demo boards are available. Pricing starts at $150 in 1,000 unit volumes for the 6123 ChiP packaged device.

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