Diagnostic Equipment
Drug Pump
Dialysis
Ultrasound
Surgical Device
Home Health Care
Monitoring Devices
Imaging Equipment
Hospital Beds
Therapy Devices
600 W standard, 420 W convection cooled
Size: 5.0” x 8.0” x 1.6” (127.0 x 203.2 x 40.6 mm)
High efficiency up to 94.0%
Universal input voltage range: 90-277 VAC / 120-240
VDC
Active power factor correction
Less than 5 W dissipation at standby mode
Parallel operation with active current sharing
Digital control for circuit loop and power management
Fully protected ( OTP, OCP, OVP, SCP )
PMBus
TM
for control, programming and monitoring
Designed to meet Class B per CISPR 22 and EN 55022
Approved to the latest version of the following medical
safety standards: IEC 60601-1, EN 60601-1, CAN/CSA
C22.2 No. 60601-1, ANSI/AAMI ES60601-1, 2 x MOPP
CE marked LVD
North America
+1-866.513.2839
Asia-Pacific
+86.755.29885888
Europe, Middle East
+353 61 225 977
tech.support@psbel.com
© 2015 Bel Power Solutions, Inc.
BCD.00496_AA
MBC600 Series
MODELS
MBC600-1012G
MBC600-1024G
MBC600-1048G
V
fan
(all models)
V
sb
(all models)
OUTPUT
VOLTAGE (VDC)
12 V
24 V
48 V
12 V
5V
MAX LOAD
CONVECTION
35.0 A
17.5 A
8.8 A
1.0 A
1.0 A
MAX LOAD
300 LFM
50.0 A
25.0 A
12.5 A
1.0 A
1.0 A
MINIMUM LOAD
0A
0A
0A
0A
0A
RIPPLE & NOISE
1%
1%
1%
1%
2%
TOTAL
REGULATION
± 2%
± 2%
± 2%
± 20%
± 2%
NOTES:
1. Peak current rating on V1 (main output) is 120% of max, lasting 3 second with max of 10% duty cycle.
2. Combined output power of V1 plus fan supply and standby supply should not exceed max power rating.
3. +/-20% tolerance of V
fan
includes the factors of set point accuracy, line and load regulation.
4. Air flow over long edge (either direction) required for air flow rating. See mechanical drawing, Figure 7 on page 11.
5. More than 800K hours MTBF is to be calculated according to Bellcore TR-332 standard current edition at 25 ºC.
The MBC600 SERIES AC-DC/DC-DC power supply can operate using AC or DC input. It is a highly efficient front-
end power supply. The PFC stage adopts an analog controller in continuous conduction mode to achieve high
power factor and high efficiency. The DC/DC stage is fully DSP controlled and employs soft switching resonant
techniques in conjunction with synchronous rectification for high efficiency and better thermal control. With a wide
input operational voltage range and minimal linear derating of output power with temperature, the MBC600 SERIES
maximizes power availability in demanding server, network, and other high availability applications. The supply is
convection cooled or fan cooled and ideally suited for integration with a matching airflow path. An active OR-ing
MOSFET on the output ensures no reverse current and renders the supply ideally suited for operation in redundant
power systems. The always-on standby output V
sb
(5 Volts) provides power to external power distribution and
management controllers. It is protected with an active OR-ing diode for maximum reliability. In addition, the PMBus
allows full monitoring of the supply, including input and output voltage, current, power, and internal temperatures.
Current share signal (V1_I
share
) is used for current sharing, and the difference between two units is within 2.5 A if
system load is more than 25% of full load. The current share signal (V1_I
share
) voltage shall be a linear function Vcs =
8 x I
out
/I
max
for a single power supply. Example: for MBC600-1012G, VCS is 8 V at 50 A loading; I
max
is 50 A of
MBC600-1012G.
Figure 1 - MBC600 SERIES Block Diagram
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© 2015 Bel Power Solutions, Inc.
BCD.00496_AA
MBC600 Series
General Condition: T
amb
= -25 to 70°C unless otherwise noted.
PARAMETER
V
in
I
in max
I
inrush
Fi
PF
η
P
min
I
leakage
T
hold
Input Voltage Ranges
Max Input Current
Inrush Current Limitation
Input Frequency
Power Factor
Efficiency without Fan
Min Power at no Load
Leakage Current
Hold-up Time
V
in nom
, 50 Hz, > 50% full load.
V
in
= 230 VAC, 20% of Full load, T
amb
= 25°C
V
in
= 230 VAC, 50% of Full load, T
amb
= 25°C
V
in
= 230 VAC, 100% of Full load, T
amb
= 25°C
V
in
= 120 VAC, T
amb
= 25°C, if diable V1
V
in
= 277 VAC, T
amb
= 25°C, Input to Earth
V
in
= 230 VAC, Full load, V
sb
within regulation,
stay within 90%*V
1nom
from AC zero point
250
16
DESCRIPTION / CONDITION
Universal Input
V
in
= 90 VAC / 60 Hz, Full load
V
i min
to V
i max
,
47
0.95
50/60
0.99
91.0
94.0
93.0
5
300
W
uA
mS
%
MIN
90
120
NOM
100-250
MA
X
277
240
9
20
63
1
UNIT
VAC
VDC
Arms
Apk
Hz
General Condition: T
amb
= - 25 to 70°C unless otherwise noted.
PARAMETER
Main Output V
1
V
1 set
V
1 nom
V
1 total reg
V
adj
v
1 pp
V
1 Load reg
V
1 Line reg
I
share
V
1 dyn
T
v1 rec
V
1 Overshoot
C
v1 Load
V
sb nom
V
sb total reg
P
sb nom
V
sb pp
V
sb Load reg
V
sb Line reg
I
sb max
V
sb dyn
T
sb rec
C
sb Load
Output Set point Accuracy
Nominal Output Voltage
Total Regulation
Voltage Adjustment
Output Ripple Voltage
Load Regulation
Line Regulation
Current Sharing
abs (I1-I2 ), between any
two units in parallel)
Dynamic Load Regulation
Recovery Time
V1 overshoot at turn-on
Capacitive Loading
Nominal Output Voltage
Total Regulation
Nominal Output Power
Output Ripple Voltage
Load Regulation
Line Regulation
Current Limitation
Dynamic Load Regulation
Recovery Time
Capacitive Loading
V
sb min
to V
sb max
, 0 to 100% I
sb nom
, T
amb min
to T
amb max
V
sb
= 5 VDC
V
sb nom
, I
sb nom
, 20 MHz BW
V
sb
= V
sb nom
, 0…100% I
sb nom
V
sb
=V
sb min
…V
sb max
Constant current limit then hiccup
50 to 100% of load change, 50 Hz, 50%
duty cycle, 1 A/us
T
amb
= 25°C
120
-5
0.5
-2
5
100
2
2
150
+5
5
220
T
amb
= 25°C, C
Load
= 220 uF/A*I
1norm
5
+2
0.5
∙I
1 nom
, T
amb
= 25°C
Refer to ordering information table as
above
V
in min
to V
in max
, 0 to 100% I
1 nom
, T
amb min
to T
amb max
V
1
output voltage could be adjusted with
the potentiometer or I2C protocol
V
1 nom
, I
1 nom
, 20 MHz BW #1
Vi = V
i nom
, 0…100% I1 nom
V
i
=V
i min
…V
i max
when Bus load
≥
25% of full load
when Bus load <25% of full load #2
50 to 100% of load change, 50 Hz, 50%
duty cycle, 1 A/us
-5
0.5
-0.5
+0.5
% V
1 nom
VDC
-2
+/-10
1
2
1
2.5
3.5
+5
5
1
+2
% V
1 nom
% V
1 nom
% V
1 nom
% V
1 nom
% V
1 nom
A
A
% V
1 nom
mS
%
μF
VDC
% V
sb
W
mV
% V
sb
% V
sb
% I
sb
% V
sb
mS
μF
DESCRIPTION / CONDITION
MIN
NOM
MA
X
UNIT
Standby Output V
sb
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© 2015 Bel Power Solutions, Inc.
BCD.00496_AA
MBC600 Series
Fan Output V
fan
V
fan nom
V
fan total reg
P
fan nom
V
fan pp
I
fan max
Vf
an dyn
T
fan rec
C
fan Load
Nominal Output Voltage
Total Regulation
Nominal Output Power
Output Ripple Voltage
Current Limitation
Dynamic Load Regulation
Recovery Time
Capacitive Loading
V
fan min
to V
fan max
, 0 to 100% I1 nom, T
amb
min
to T
amb max
V
fan
= 12 VDC, Power darating linearly to
50% at 70°C, refer to figure 2
V
fan nom
, I
fan nom
, 20 MHz BW
T
amb
= 25°C
50 to 100% of load change, 50 Hz, 50%
duty cycle, 1 A/us
T
amb
= 25°C
-5
0.5
-20
12
2
270
+5
5
220
12
+20
VDC
% V
fan nom
W
% V
fan nom
% I
fan nom
% V
fan nom
mS
μF
NOTES:
1.
The output noise and ripple measurement was made with 20 MHz bandwidth using a 6 inch twisted pair, terminated with a 10 uF
tantalum capacitor in parallel with a 0.1 uF ceramic capacitor.
2.
For MBC600-1048G, the current share abs (I1-I2) should be less than 3 A at light load (< 25% of full load)
Figure 2 - Output Power vs. Temperature
NOTE: Power darating linearly to 50% at 70ºC for the output including main output V1, V
fan
.
PARAMETER
F
V
in ov
Input Fuses (L+N)
Input Over Voltage Limit
Recovery
Input Under Voltage
Limit
Recovery
OV Threshold V
1
OV Threshold V
sb
Current Limit V
1
Current Limit V
sb
Current Limit V
fan
Over Temperature On
Heat Sinks
DESCRIPTION / CONDITION
Not user accessible, slow-acting
(F)
MIN
NOM
10
MAX
UNIT
A
285VAC/245VDC
280VAC/240VDC
75VAC/105VDC
80VAC/110VDC
V1 will be latched until reset by
AC input or INHIBIT signal.
V
sb
will be latched until reset by
AC input or INHIBIT signal.
Over current limit meet below
curve, Figure 3
Standby output will be entered
into CC mode if output current
is above 1.2A
T
amb
= 25°C
110
110
/
/
/
/
295VAC/255VDC
290VAC/250VDC
85VAC/115VDC
90VAC/120VDC
132
120
V
V
V
V
%V
1 norm
%V
sb norm
V
in uv
V
1 ov
V
sb
ov
I
1 lim
I
sb lim
I
fan lim
T
SD
1.2
2.7
2
A
A
No damage, Automatic shut-down and recovers.
The Output is protected against an overload or a Short Circuit for indefinite duration. The unit shall meet this
requirement when in general operating conditions. Over current limit should meet below curve within +/-1.5 A
tolerance, and the unit is allowed to hiccup under over current conditions.
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© 2015 Bel Power Solutions, Inc.
BCD.00496_AA
MBC600 Series
Figure 3 - Over Current Mode
Bel Power Solutions provides with its “Bel Power Solutions I
2
C Utility” a Windows® XP/Vista/Win7 compatible
graphical user interface allowing the programming and monitoring of the MBC600 Series Front-End. The utility can
be downloaded on
www.belpowersolutions.com
and supports both the PSMI and PMBus™ protocols.
The GUI allows automatic discovery of the units connected to the communication bus and will show them in the
navigation tree. In the monitoring view the power supply can be controlled and monitored.
Reference Documents:
BCA.00029_AA_ABC600 Series PMBus Communication Manual.pdf
PMBus Specification Part I Revision 1.1
PMBus Specification Part II Revision 1.1
System Management Bus (SMBus) Specification Revision 2.0
Figure 4 - I
2
C Bus to DSP
The sensor commands shall meet the following accuracy requirements.
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BCD.00496_AA
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