Ericsson Internal
TPAROBLEDUCT OF CO SPENTCIFENTICAST ION 11 ((24))
PPrreeppaarreedd ((aallsoso su subbjjeect ct rreespspoonnssiibbllee iif f ooththeerr)) No.No.
KESevLUOin ZhoANu 1/1001 35201--BENMR/LZT 450 14+ 6 4Ue00n Uen
Technical Specication
AApppprroovevedd CheCheckeckedd DDatatee RevRev RefRefeerreenncece
EN/LZT 146 400 R5A October 2017
BMR 450 Digital PoL Regulators
SKeEvCin/D ( ZhoJului a You) 20102017--0310--1210 DG
Flex
Input 4.5 - 14 V, Output up to 20 A / 100 W
Key Features
Small package
25.65 x 12.9 x 8.2 mm (1.01 x 0.51 x 0.323 in.)
20 A output current
4.5 V - 14 V input voltage range
0.6 V - 5.5 V output voltage range (by PMBus)
0.7 V 5 V output voltage range (by external resistor)
High efficiency, typ. 96,8 % at half load, 5 Vin, 3.3 Vout
13 million hours MTBF
Through hole and surface mount versions
PMBus read and write compliant
General Characteristics
Voltage/current/temperature monitoring
Precision delay and ramp-up
Voltage sequencing
Switching frequency synchronization
Configurable control loop
Non-linear transient response
Wide output voltage adjust function Safety Approvals Design for Environment
Start up into a pre-biased output safe
Output short-circuit protection
Over temperature protection
On/Off inhibit control
Meets requirements in high-
Output voltage sense
temperature lead-free soldering
ISO 9001/14001 certified supplier
processes.
Contents
Ordering Information ............................................................. 2
General Information ............................................................. 2
Safety Specification ............................................................. 3
Absolute Maximum Ratings ............................................................. 4
Functional Specification ............................................................. 5
Electrical Specification
1.0V, 20A / 20W BMR450 0002/020 ................................ 6
3.3V, 20A / 66W BMR450 0002/020 ................................ 9
5.0V, 20A / 100W BMR450 0002/020 .............................. 12
5.5V, 18A / 99W BMR450 0002/021 .............................. 15
EMC Specification ........................................................... 18
Operating Information ........................................................... 18
Thermal Consideration ........................................................... 21
Connections ........................................................... 22
Typical Application Circuits ........................................................... 23
PMBus Interface & Commands ........................................................... 24
Mechanical Information ........................................................... 27
Soldering Information ........................................................... 29
Delivery Information ........................................................... 30
Product Qualification Specification ........................................................... 31
PRODUCT SPECIFICATION 2 (4)
Prepared (also subject responsible if other) No.
Kevin Zhou 1/1301-BMR 450+ Uen
2
Technical Specication
Approved Checked Date Rev Reference
EN/LZT 146 400 R5A October 2017
BMR 450 Digital PoL Regulators
Kevin Zhou 2017-10-12 G
Flex
Input 4.5 - 14 V, Output up to 20 A / 100 W
Compatibility with RoHS requirements
Ordering Information
The products are compatible with the relevant clauses and
Product program Output
requirements of the RoHS directive 2002/95/EC and have a
BMR450 0.6-5.5 V / 20 A, 100 W
maximum concentration value of 0.1% by weight in
homogeneous materials for lead, mercury, hexavalent
chromium, PBB and PBDE and of 0.01% by weight in
Product Number and Packaging
homogeneous materials for cadmium.
BMR450 n1n2n3n4 /n5n6n7
Exemptions in the RoHS directive utilized in Flex products
Options
n1 n2 n3 n4 / n5 n6 n7
include:
Mechanical pin option
x /
- Lead in high melting temperature type solder (used to
Mechanical option
x /
solder the die in semiconductor packages)
Digital Interface option - Lead in glass of electronics components and in
x x /
electronic ceramic parts (e.g. fill material in chip
Configuration file
/ x x x
resistors)
- Lead as an alloying element in copper alloy containing
Optional designation Description
up to 4% lead by weight (used in connection pins made
n 0 = Through hole mount version (THP) of Brass)
1
1 = Surface mount version (SMD)
n2 0 = Open frame
Quality Statement
n n 02 = 4.5 14 Vin PMBus and analog
3 4 The products are designed and manufactured in an
voltage adjust
industrial environment where quality systems and methods
like ISO 9000, 6 (sigma), and SPC are intensively in use
n n n 020 = Standard configuration
5 6 7
to boost the continuous improvements strategy. Infant
021 = Application Specific Configuration
mortality or early failures in the products are screened out
for 5.5V output voltage
and they are subjected to an ATE-based final test.
Conservative design rules, design reviews and product
Packaging Antistatic injection molded tray of 60
products (5 full trays/box = 300 products) qualifications, plus the high competence of an engaged
work force, contribute to the high quality of our products.
Example: Product number BMR4501002/020 equals a surface mount, open
frame, PMBus and analog voltage adjust, standard configuration variant.
Warranty
For application specific configurations contact your local
Warranty period and conditions are defined in Flexs
Flex sales representative.
General Terms and Conditions of Sale. Flex does not make
any other warranties, expressed or implied including any
General Information
warranty of merchantability, effects of product
configurations made by customers or fitness for a particular
Reliability
purpose.
The failure rate ( ) and mean time between failures
(MTBF= 1/ ) is calculated at max output power and an
Flex 2017
operating ambient temperature (TA) of +40C. Flex uses
The information and specifications in this technical
Telcordia SR-332 Issue 2 Method 1 to calculate the mean
specification is believed to be correct at the time of
steady-state failure rate and standard deviation ( ).
publication. However, no liability is accepted for
inaccuracies, printing errors or for any consequences
Telcordia SR-332 Issue 2 also provides techniques to
thereof. Flex reserves the right to change the contents of
estimate the upper confidence levels of failure rates based
this technical specification at any time without prior notice.
on the mean and standard deviation.
Mean steady-state failure rate, Std. deviation,
78 nFailures/h 33.1 nFailures/h
MTBF (mean value) for the BMR450 series = 12.7 Mh.
MTBF at 90% confidence level = 8.3 Mh