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High Voltage VIA BCM® Family
380 V to 48 V Isolated, Chassis Mount or PCB Mount
For use in: HVDC Distribution, Micro Grids, Green Buildings, ICT Equipment
®
C
Server, Semiconductor Manufacturing Equipment
S
US
C
NRTL
US
Value Proposition
Board mount
With the accelerating growth of renewable power, power
engineers now recognized the significant benefits of DC
distribution in large scale power systems. The industry is
responding quickly with an new industry standards and an
expanded portfolio of DC products. The High Voltage
VIA BCM provides a critical function within this new
DC power eco-system by providing 380 V to 48 V bus
conversion in an ultra-small, efficient, and easy-to-use
power component.
Chassis mount
Features and Benefits
n
Small Size, low profile
Product Description
Eliminates constraints of size and height in a design
The High Voltage VIA BCM is a highly advanced 1.75 kW bus
converter operating from a 260 V to 410 VDC input which
delivers an isolated Safety Extra Low Voltage (SELV) 48 V
secondary output. This unique, ultra-low profile module
incorporates bus conversion, integrated filtering and transient
surge protection in chassis mount or PCB mount form
factor. The High Voltage VIA BCM enables a versatile two
sided thermal strategy which greatly simplifies the thermal
design of such a high density device. When combined with
downstream Vicor DC-DC conversion products and regulators,
the High Voltage VIA BCM allows the power design engineer
to achieve industry benchmark power density and electrical
performance with a small, easy-to-use power component.
n
Thermally adept VIA housing
Enables easy thermal design, possibly eliminating the need for a fan:
chassis mount version enables system chassis to be part of thermal design
n
Integrated filtering to meet Class A or Class B EMI
Simplifies EMI and surge protection design, faster time to market
n
High efficiency of
up to 98%
Benchmark efficiency for 380 V bus converter
n
Chassis mount or PCB mount packaging options
Provides design flexibility, enables multiplicity of
thermal design strategies
n
Digital PMBus Communication
Allows control and telemetry capability within system design
n
Array capable, modular power component
Simple modular solution enables 380V conversion to be implemented
for multiple power levels
n
Voltage, current, and temperature protections
Protects the VIA BCM unit and system
Part Numbering
Product
Function
B
C
BCM = Bus
Converter
Module
Package Package
Length
Width
M
4
9
Inches
x 10
1
Package
Type
4
Inches
x 10
V
B = Board VIA
V = Chassis VIA
Max Input
Voltage
D
1
D1 =
260 – 410 Vdc
Range
Ratio
E
E = 1.6
Max Output
Voltage (Range)
5
1
13 = 12 Vout
51 = 48 Vout
Max Output
Current/Power
3
5
A2 = 1500 W
35 = 1750 W
vicorpower.com
Product
Grade
C
C = -20 to 100°C
T = -40 to 100°C
OptionField
0
2
02 = Chassis/PMBus
06 = Short Pin/PMBus
10 = Long Pin/PMBus
Rev 1.0
5/2015
Typical Application
48 V Output
24 V Output
Cool-Power
ZVS Buck
12, 5, 3.3, 2.5,
1.8, 1.0 Volts
Cool-Power
18, 15, 12, 5,
3.3 Volts
DC-DC Converter
K = 1/8
384 VDC
Nominal Input
48 VDC
PFM
PFM
BCM
VI Chip
PRM
Cool-Power
PMBus
5 – 55 V
VI Chip
VTM
ZVS Buck-Boost
1 – 55 V
Mechanical Diagram (Chassis mount version shown)
12.17
309.14
C
.37
9.30
A
.11
2.90
1.171
29.750
B
1
.152
3.861
THRU
TYP
3
INPUT
INSERT
(41816)
TO BE
REMOVED
PRIOR
TO USE
2
287387
,16(57
72%(
5(029('
35,25
7286(
5 RED
6 BLACK
7 BLUE
8 WHITE
9 YELLOW
4
86(7<&2/8*25
(48,9)25287387&211(&7,21
352'8&76$1'
86(7<&2/8*25
(48,9)25287387&211(&7,21
352'8&76$1'
86(7<&2/8*25
(48,9)25,1387&211(&7,21
$//352'8&76
1.40
35.54
NOTES:
1- RoHS COMPLIANT PER CST-0001 LATEST REVISION.
2- SEE PRODUCT DATA SHEET FOR PIN DESIGNATIONS.
PRODUCT
4914 VIA BCM
DIM 'A'
>@
DIM 'B'
>@
DIM 'C'
>@
vicorpower.com
Rev 1.0 5/2015
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