Embedded Power for
Business-Critical Continuity
Quarter-Brick
Series
Wide Input IBC
Total Power:
168W
Input Voltage: 36 - 75VDC
# of Outputs: Single
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Special Features
•
•
•
•
•
•
•
•
•
Wide input 36 Vdc to 75 Vdc
Output voltage of 12 V ±10%
Current rating 14 A
Ultra high efficiency,
94.5% typical
Industry standard quarter-brick
footprint
Low profile - 0.35”
Remote ON/OFF
Available RoHS compliant
2 Year Warranty
This series is a Quarter-Brick, wide-input intermediate bus
converter (IBC). Capable of operating from any input voltage in the
range 36 Vdc to 75 Vdc, this high efficiency isolated dc-dc
converter module generates a semi-regulated 12 V output and can
deliver up to 14 A. This series features a low profile open-frame
construction and has an industry standard quarter-brick footprint.
Safety
UL/cUL : CAN/CSA 22.2 No.
60950-00 : UL 60950
UL 60950 File No. E174104
TÜV Product Service (EN60950)
Certificate No.
B 04 07 38572 046
Embedded Power for
Business-Critical Continuity
Specifications
All specifications are typical at nominal input, full load at 25 °C unless otherwise stated.
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OUTPUT SPECIFICATIONS
Output voltage
Output votage range
Total regulation
(Over line, load and
temperature)
Output current
Ripple and noise
(See Note 2)
Output capacitance
INPUT SPECIFICATIONS
Input voltage range
Input current
No load
Max.
36-75 Vdc
100 mA
3.9 A max. @ 48 Vin
Open collector ref to input
>1.1 Vdc or floating
<0.8 Vdc
15 ms typ.
(0-20 MHz)
External to unit
(Nominal)
12 Vdc
10.8-13.2 Vdc
±10% max. 36-75 Vin
±5% max. 40-60 Vin
0 A min.
14 A max.
150 mV pk-pk
200 μF min.
EMC CHARACTERISTICS
Conducted emissions
Radiated emissions
Immunity:
ESD air
ESD contact
Radiated field enclosure
Conducted (dc power)
Conducted (signal)
Input transients
GENERAL SPECIFICATIONS
Efficiency
Basic insulation
Switching frequency
Approvals and
standards
Material flammability
Weight
MTBF
Representative model:
Input/output
Fixed
94.5% typ.
2250 Vdc
333 kHz
EN60950 (TÜV Product Service)
UL/cUL60950
UL94V-0
40 g (1.43 oz)
MIL-HDBK-217F
156,000 hours
14 A @ 48 Vin, 40 °C
100% load ground benign
Telcordia SR-332
1,231,000 hours
EN55022
EN55022
EN55022
EN61000-4-2 8 kV
EN61000-4-2 6 kV
EN61000-4-3 10 V/m
EN61000-4-6 10 V
EN61000-4-6 10 V
ETS 300 132-2, ETR 283
Level A
Level B
Level A
Active low remote ON/OFF (See Note 1)
ON
OFF
Start-up time
Power-up from
Remote ON/OFF
ENVIRONMENTAL
SPECIFICATIONS
Thermal performance
(See Note 3)
Operating ambient
temperature
Non-operating
-40 °C to +100 °C
-55 ºC to +125 ºC
PROTECTION
Current limit and short-circuit
Thermal
Hiccup, auto recovery
Auto recovery
Embedded Power for
Business-Critical Continuity
Specifications Contd.
Rev.04.02.08
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OUTPUT
POWER
(MAX.)
168 W
INPUT
VOLTAGE
36-75 Vdc
OUTPUT
VOLTAGE
12 V
OUTPUT
CURRENT
(MIN)
0A
OUTPUT
CURRENT
(MAX.)
14 A
EFFICIENCY
(TYP.)
94.5%
TOTAL
REGULATION
±10%
MODEL
NUMBER
(1,4)
TQW14A-48S12-RJ
Part Number System with Options
TQW14A-48S12-RJ
RoHS Compliance
(4)
J = Pb-free (RoHS 6/6 compliant)
Product Family
TQW = Transformer Quarter-Brick
Wide Input
Rated Output Current
14A = 14 Amps
Remote ON/OFF Logic
‘-R’ = Negative (See Note 1)
Output Voltage
12 V
Type of Output
S = Single
Input Voltage
48 V
Notes
1
The standard product features active-low remote ON/OFF.
Active low ON/OFF
ON <0.7 V
OFF > 1.1 V or open circuit.
2
3
4
Tested with 4 x 47 μF tantalum capacitors plus 2 x 4.7 μF ceramic capacitors.
See Application Note 135 for set-up.
Derating curves available in both the Longform Datasheet and Application
Note.
TSE RoHS 5/6 (non Pb-free) compliant versions may be available on special
request, please contact your local sales representative for details.
RECOMMENDED SYSTEM CAPACITANCE
Input capacitance
Output capacitance
33 μF
200 μF/10 mW ESR max.
Embedded Power for
Business-Critical Continuity
Americas
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 (760) 930 4600
Facsimile: +1 (760) 930 0698
Rev.04.02.08
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1.46 (37.08)
Europe (UK)
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
0.19 (4.78)
0.41 (10.4) max.
INSTALLED HEIGHT
TOP VIEW
2.30 (58.43)
CLEARANCE TO
UNDERSIDE COMPONENTS
0.01 (0.2) Min.
ELEVATION
3 X PINS ø 0.04 (1.02)
WITH ø 0.07 (1.83)
MOUNTING SHOULDER
Asia (HK)
ø0.06 (1.57)
2 X PINS
ø0.09 (2.38)
WITH
MOUNTING SHOULDER
2.15 (54.49)
0.15 (3.69)
1.03 (26.04)
3
2
1
5
1.03 (26.04)
0.73
(18.42)
14/F, Lu Plaza
2 Wing Yip Street
Kwun Tong, Kowloon
Hong Kong
Telephone: +852 2176 3333
Facsimile: +852 2176 3888
0.43 (10.80)
0.43 (10.80)
For global contact, visit:
www.powerconversion.com
Dimensions in Inches (mm)
Tolerances (unless otherwise specified)
x.xx
±0.02
(x.x
±0.5)
x.xxx
±0.010
(x.xx
±0.25)
4
BOTTOM VIEW
techsupport.embeddedpower
@emerson.com
While every precaution has been taken to ensure
accuracy and completeness in this literature, Emerson
Network Power assumes no responsibility, and disclaims
all liability for damages resulting from use of this
information or for any errors or omissions.
PIN CONNECTIONS
PIN NUMBER
1
2
3
4
5
FUNCTION
Vin+
Remote
Vin-
Vout+
Vout-
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