Ericsson Internal
TABLE OF CONTENTS 1 (1)
PRODUCT SPECIFICATION 1 (5)
Prepared (also subject responsible if other) No.
Prepared (also subject responsible if other) No.
SEC/S Kevin Zhou
EZHIXZH 1/1301- BMR 454 Uen
Technical Specication
Approved Checked Date Rev Reference
Approved Checked Date Rev Reference
EN/LZT 146 404 R9A November 2017
SEC/S Kevin Zhou 2012-08-09 D
BMR454 series Fully regulated Advanced Bus Converters
Kevin Zhou 2017-09-29 J
Flex
Input 36-75 V, Output up to 40 A / 240 W
Key Features
Industry standard five pin Eighth-brick
58.4 x 22.7 x 10.2 mm (2.30 x 0.89 x 0.40 in.)
Optional digital PMBus interface
Fully regulated intermediate bus converter
High efficiency, typ. 95.5% at 12 Vout half load
+/- 2% output voltage tolerance band
1500 Vdc input to output isolation
2.5 million hours MTBF
Optional baseplate
ISO 9001/14001 certified supplier
PMBus Revision 1.1 compliant
Power Management
Configurable soft start/stop
Precision delay and ramp-up Safety Approvals Design for Environment
Voltage sequencing and margining
Voltage/current/temperature monitoring
Wide output voltage range
Configurable protection features
Meets requirements in high-
Synchronization
temperature lead-free soldering
processes
Contents
Ordering Information .............................................................2
General Information .............................................................2
Safety Specification .............................................................4
Absolute Maximum Ratings ............................................................. 5
Functional Description .............................................................6
Electrical Specification
3.3 V, 40 A / 132 W BMR 454 0002/003............................... 7
5 V, 38 A / 190 W BMR 454 0002/004............................. 10
9 V, 20 A / 180 W BMR 454 0000/002............................. 13
12 V, 20 A / 240 W BMR 454 0000/001............................. 16
12 V, 20 A / 240 W BMR 454 0004/005............................. 19
EMC Specification ...........................................................22
Operating Information ...........................................................23
Thermal considerations ...........................................................26
Connections ...........................................................27
PMBus communications ...........................................................28
Mechanical Information ...........................................................31
Soldering Information ...........................................................34
Delivery Information ...........................................................35
Product Qualification Specification ...........................................................37
2
Technical Specication
EN/LZT 146 404 R9A November 2017
BMR454 series Fully regulated Advanced Bus Converters
Flex
Input 36-75 V, Output up to 40 A / 240 W
Ordering Information
Example: Product number BMR4542000/002 equals an Through hole mount
lead length 3.69 mm (cut), open frame, digital interface with 9 V standard
Product program Output
configuration variant.
BMR4540002/003 3.3 V / 40 A, 132 W
For application specific configurations contact your local Flex sales
BMR4540002/004 5 V / 38 A, 190 W
representative.
BMR4540000/002 9 V / 20 A, 180 W
BMR4540000/001 12 V / 20 A, 240 W (Vin 40-75V)
General Information
Reliability
BMR4540004/005 12 V / 20 A, 240 W (Vin 36-75V)
The failure rate ( ) and mean time between failures
Product Number and Packaging (MTBF= 1/ ) is calculated at max output power and an
operating ambient temperature (T ) of +40C. Flex uses
A
BMR454 n1n2n3n4 /n5n6n7
Telcordia SR-332 Issue 2 Method 1 to calculate the mean
Options
n1 n2 n3 n4 / n5 n6 n7
steady-state failure rate and standard deviation ( ).
Mechanical
pin option x /
Telcordia SR-332 Issue 2 also provides techniques to
Mechanical estimate the upper confidence levels of failure rates based
option x /
on the mean and standard deviation.
Hardware
x x /
option
Mean steady-state failure rate, Std. deviation,
Configuration
394 nFailures/h 61 nFailures/h
/ x x x
file
MTBF (mean value) for the BMR454 series = 2.5 Mh.
Optional Description
designation MTBF at 90% confidence level = 2.1 Mh
n 0 = Standard pin length 5.33 mm
1 Compatibility with RoHS requirements
2 = Lead length 3.69 mm (0.145 in.)
The products are compatible with the relevant clauses and
3 = Lead length 4.57 mm (0.180 in.)
requirements of the RoHS directive 2011/65/EU and have a
4 = Lead length 2.79 mm (0.110 in.) (cut)
maximum concentration value of 0.1% by weight in
n 0 = Open frame homogeneous materials for lead, mercury, hexavalent
2
1 = Baseplate
chromium, PBB and PBDE and of 0.01% by weight in
homogeneous materials for cadmium.
n n 00 = 8.1-13.2Vout with digital interface
3 4
01 = 8.1-13.2Vout without digital interface
Exemptions in the RoHS directive utilized in Flex products
02 = 3-6.7Vout with digital interface
are found in the Statement of Compliance document.
03 = 3-6.7Vout without digital interface
04 = 12Vout with digital interface
05 = 12Vout without digital interface Flex fulfills and will continuously fulfill all its obligations
under regulation (EC) No 1907/2006 concerning the
n n n 001 = 12 V Standard configuration (Vin 40-75V,
5 6 7
registration, evaluation, authorization and restriction of
available only for n3 n4 = 00 or 01)
chemicals (REACH) as they enter into force and is through
002 = 9 V Standard configuration
product materials declarations preparing for the obligations
003 = 3.3 V Standard configuration
to communicate information on substances in the products.
004 = 5 V Standard configuration
005 = 12 V Standard configuration (Vin 36-75V,
available only for n3 n4 = 04 or 05)
Quality Statement
The products are designed and manufactured in an
007 = 9V with positive RC logic configuration
industrial environment where quality systems and methods
008 = 12V with positive RC logic configuration
like ISO 9000, Six Sigma, and SPC are intensively in use to
(Vin 40-75V, available only for n3 n4 = 00 or 01)
009 = 3.3V with positive RC logic configuration boost the continuous improvements strategy. Infant
010 = 5V with positive RC logic configuration
mortality or early failures in the products are screened out
011 = 12V with positive RC logic configuration
and they are subjected to an ATE-based final test.
(Vin 36-75V, available only for n3 n4 = 04 or 05)
Conservative design rules, design reviews and product
qualifications, plus the high competence of an engaged
xxx = Application Specific Configuration
work force, contribute to the high quality of the products.
Packaging 25 Through hole converters/tray, three
trays/box, PE foam dissipative
20 SMD converters/tray, five full tray/box,
Antistatic PPE