AC DC
75/100/155 Watts
BCS Series
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DC Standby System
Battery Charging Output
Optional 5 V, 3 A Supply
Low Battery Disconnect
xppower.com
AC OK and Battery Low Alarms
Battery Overload & Reverse Polarity Protection
3 Year Warranty
Specification
Input
Input Voltage
Input Frequency
Input Current
• 90-264 VAC (120-370 VDC)
• 47-63 Hz
• 75 W: 1.5/1.0 A max 115/230 VAC
100 W: 2.0/1.2 A max 115/230 VAC
155 W: 2.5/1.5 A max 115/230 VAC
Inrush
Current
• 75/100 W 70 A max/230 VAC cold start 25 °C,
155 W 80 A max/230 VAC cold start 25 °C
Earth Leakage Current
• <1 mA at 264 VAC, 60 Hz
Power Factor
• Meets EN61000-3-2, class A
Input Protection
• Internal 4.0 A (155 W: 5.0 A) 250 V fuse,
fitted in line
General
Efficiency
Isolation
• See tables
• 3000 VAC Input to Output
1500 VAC Input to Ground
500 VAC Output to Ground
• 75 W: 40-76 kHz at full load typical
100 W: 28-60 kHz at full load typical
155 W: PFC 100 kHz, PWM 30-47 kHz at
25-100% load typical
• 75 W: 3.4 W/In
3
,100 W: 4.5 W/In
3
,
155 W: 3.8 W/In
3
• AC OK and BAT LOW signals,
see applications note
• 130 kHrs typical to MIL-HDBK-217F
at 25 °C, GB
Switching Frequency
Power Density
Signals
MTBF
Output
• See tables
• ±10% on output 1. Output 2 tracks by
same percentage
Initial Set Accuracy
• ±1.0%
Minimum Load
• None
Start Up Delay
• 75/100 W: 800 ms O/P 1 & 3, 3.5 s O/P 2,
155 W: 4 s O/P 1 & 3, 6.2 s O/P 2
Start Up Rise Time
• 30 ms max
Hold Up Time
• 8 ms min at 115 VAC
Line Regulation
• ±0.5% max
Load Regulation
• Output 1 & 2: ±0.5%, Output 3: ±1.5%
(where fitted)
Over/Undershoot
• 5% max at turn on
Transient Response
• 4% max. deviation, recovery to less than
1% within 500 µs for step load change of
25%
Ripple & Noise
• Output 1: 1% pk-pk, Output 2: 150 mV
pk-pk, Output 3: 100 mV pk-pk (where
fitted), 20 MHz bandwidth
Overvoltage Protection
• 115-150% on output 1 only, recycle mains
to reset
Overload Protection
• Output 1: >110% of total rated power
Output 2: 100-115% of max current
Output 3: >3.3 A (where fitted)
An overload on any output will affect the
voltage regulation of all outputs
Batt. Low Voltage
• Internal battery relay opens at 10 V±4%
Protection
for 13 V versions and 20 V±5% for 27 V
versions
Short Circuit Protection
• On all outputs, trip and restart, auto recovery
Temp. Coefficient
• 0.03%/°C
Output Voltage
Output Voltage Trim
Environmental
Operating Temperature
• -20 °C to +70 °C. Refer to derating curves
Cooling
• 75 & 100 W: Convection-cooled,
155 W: Internal fan
Operating Humidity
• 95% RH, non-condensing
Storage Temperature
• -40 °C to +85 °C
Operating Altitude
• 2000 m
Shock
• 30 g pk, half sine, 6 axes
Vibration
• 2 g rms, 10 Hz to 500 Hz, 10 min/cycle for
60 mins on each axis
EMC & Safety
Emissions
Harmonic Currents
Voltage Flicker
ESD Immunity
Radiated Immunity
EFT/Burst
Surge
Conducted Immunity
Dips & Interruptions
Safety Approvals
EN55022, Level B conducted and radiated
EN61000-3-2, class A
EN61000-3-3
EN61000-4-2, level 3 Perf Criteria A
EN61000-4-3, 3 V/m Perf Criteria A
EN61000-4-4, level 2 Perf Criteria A
EN61000-4-5, installation class 3,
Perf Criteria A
• EN61000-4-6, 3 V Perf Criteria A
• EN61000-4-11, 30% 10 ms, 60% 100 ms,
100% 5000 ms, Perf Criteria A, B, B
• EN60950-1, UL60950-1
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AC DC
Models and Ratings
Output Power
Output 1
Voltage
13.8
27.6
13.8
27.6
13.8
27.6
13.8
27.6
V
V
V
V
V
V
V
V
Current
(1)
5.50
2.75
4.40
2.20
7.30
3.65
6.20
3.10
A
A
A
A
A
A
A
A
Voltage
13.8
27.6
13.8
27.6
13.8
27.6
13.8
27.6
V
V
V
V
V
V
V
V
Output 2
Current
(1)
1.95
1.10
1.95
1.10
2.80
1.70
2.80
1.70
A
A
A
A
A
A
A
A
Voltage
Output 3
Current
(1)
BCS75/100
Efficiency
86%
88%
85%
87%
86%
88%
85%
87%
Model Number
(2)
BCS75US13-C
BCS75US27-C
BCS75US13-CA
BCS75US27-CA
BCS100US13-C
BCS100US27-C
BCS100US13-CA
BCS100US27-CA
75 W
5.0 V
5.0 V
3.0 A
3.0 A
100 W
5.0 V
5.0 V
3.0 A
3.0 A
Notes
1. Total power must not exceed the output power rating, current during battery
discharge limited to 4.0 A
2. Delete C from model number for optional uncased version e.g. BCS75US13. or
BCS75US27-A.
Mechanical Details
BCS, BCS A
0.19
(5.0)
CN1
4.8 (123.0)
0.9 (5.0)
0.15 (4.0)
BCS C, BCS CA
0.07 (2.0)
CN1
0.25
(6.5
0.21
(5.5)
1
2
3
4
0.007
(0.2)
1
2
3
)
2-M3
1.21
(30.7)
ø0.13
(ø3.5)
0.26
(6.65)
3.74
(95.0)
4
0.26
(6.65)
0.32
(8.25)
0.19
(5.0)
1
CN2
5
6
7
8
CN2
0.25
(6.0)
5
6
7
8
CN2
1.29
(33.0)
3.83
(97.5)
3.58
(91.0)
0.32
(8.25)
1.53
(3.9)
0.35
(9.0)
0.75
(19.1)
0.015 (0.4)
4.09 (103.9)
0.255
(6.5)
0.17
(4.5)
ø 0.13 (ø 3.5)
2.89 (73.5)
5.09 (129.5)
4.72 (120.0)
ø 0.13 (ø 3.5)
0.25 (6.5)
3-M3
ø 0.13
(ø 3.5)
1.22
(31.0)
0.25 (6.5)
0.73
(18.5)
0.76
(19.4)
3.03 (77.0)
1.47
(37.5
1.12
(28.5)
0.11 (3.0)
1.29 (33.0)
0.39
(10.0)
Pin
1
2
3
4
CN1 - Input/Output Connector
Function
Pin
Function
Line
5
+Vout
Neutral
6
BAT+
FG
7
BAT-
+5V
-Vout Com
8
(-A versions only)
CN2 - Alarm Connector for BCS, BCS-C
Pin
Function
1
AC OK
2
BAT LOW
3
13.8 V/20 mA or 27.6 V/20 mA
(Output voltage dependant)
CN2 - Alarm Connector for BCS-A, BCS-CA
Pin
Function
1 2
3 4
AC OK
BAT LOW
Notes
1. All dimensions in inches (mm).
2. BCS, BCS-C CN2 Mating Part JST XHP-3 housing, SXH-001 T-P0.6 crimps
or equivalent.
3. BCS-A, BCS-CA CN2 mating part JST XHP-4 housing, SXH-001
T-P0.6 crimps or equivalent.
4. For correct operation of the internal battery fuse, the BAT- terminal should not
be connected to earth or -Vout Com.
Derating Curves
Load vs Temp.
100
80
60
40
20
-20
0
10
20
30
40
50
60
70
(Horizontal)
Load (%)
Ambient Temperature (°C)
AC DC
Models and Ratings
Output Power
Output 1
Voltage
13.8
27.6
13.8
27.6
V
V
V
V
Current
11.2
5.6
10.1
5.1
(1)
BCS155
Output 2
Voltage
13.8
27.6
13.8
27.6
V
V
V
V
Current
3.88
2.10
3.88
2.10
A
A
A
A
(1)
Output 3
Voltage
Current
(1)
Efficiency
86%
86%
85%
85%
Model Number
BCS155PS13-C
BCS155PS27-C
BCS155PS13-CA
BCS155PS27-CA
155 W
A
A
A
A
5.0 V
5.0 V
3.0 A
3.0 A
Notes
1. Total power must not exceed the output power rating.
Mechanical Details
0.52
(13.15)
1.57 (4.0)
4.61 (117.0)
0.77
(19.5)
0.71
(18.0)
3-M3
7.05 (179.0)
6.77 (172.0)
ø0.14 (ø3.5)
V.Adj
CN2
1
0.20 (5.00)
0.20
(5.00)
3.86
(98.0)
1.38
(35.0)
0.27 (6.75)
2-M4
2.56 (65.0)
6.71 (170.5)
51.5 (2.03)
56.0
(2.20)
0.35
(9.0)
0.26 (6.5)
0.35
(9.0)
ø0.14 (ø3.5)
38.0
(1.5)
Pin
1
2
3
4
CN1 - Input/Output Connector
Function
Pin
Function
Line
5
+Vout
Neutral
6
BAT+
FG
7
BAT-
+5V
-Vout Com
8
(-A versions only)
CN2 - Alarm Connector for BCS, BCS-C
Pin
Function
1
AC OK
2
BAT LOW
3
13.8 V/20 mA or 27.6 V/20 mA
(Output voltage dependant)
CN2 - Alarm Connector for BCS-A, BCS-CA
Pin
Function
1 2
3 4
AC OK
BAT LOW
1. All dimensions in inches (mm).
2. BCS-C CN2 Mating Part JST XHP-3 housing, SXH-001 T-P0.6 crimps
or equivalent.
Notes
3. BCS-CA CN2 mating part JST XHP-4 housing, SXH-001
T-P0.6 crimps or equivalent.
4. For correct operation of the internal battery fuse, the BAT- terminal should not
be connected to earth or -Vout Com.
Derating Curves
Load vs Temp.
100
80
60
40
20
-20
0
10
20
30
40
50
60
70
(Horizontal)
Load (%)
Ambient Temperature (°C)
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