800V boost for bus converter module

June 20, 2019 //By Nick Flaherty
800V boost for Vicor bus converter module
Vicor has launched an 800V bus converter module for industrial and military 3-phase AC power supplies and high-voltage DC transmission systems for tethered unmanned vehicles.  

The BCM4414 is a 1.6kW, isolated, 1/16 fixed-ratio, bus converter module (BCM), that can operate from a 500V to 800V input voltage, to deliver SELV output voltages with 97% peak efficiency to a maximum of 50V.

The new 800V module complements the existing 700V BCM4414, to create a family of products with reinforced isolation (4,242VDC) and bidirectional voltage conversion capability. The BCM can be easily paralleled into higher power arrays and the SELV outputs can be stacked (connected in series) for higher output voltages. HOwever the 800V version has a lower continuous current output of 35A, compared to 40A for the 700V version. 

Both BCMs are available in a 111 x 36 x 9.3mm Vicor Integrated Adapter (VIA) package which has integrated PMBus communication, EMI filtering, and voltage-transient protection.  The VIA’s planar form factor package simplifies heat management and ease of interface to a wide variety of cooling technologies. 

The BCMs are available in either M-Grade (-55 to 100°C) or T-Grade (-40 to 100˚C). 


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