PEROricsDUCTson Int SernaPECIFl ICATION
TABLE OF CONTENTS 11 ((25))
PPrreeppaarreedd ((aallsoso su subbjjeect ct rreespspoonnssiibbllee iif f ootthheerr)) No.No.
ESEZHIXC/SZ KHe vin Zhou 1/100153012--F BGMR C10145186 23Uen
Technical Specication
AApppprroovevedd CheCheckeckedd DatDatee RevRev RefRefeerreenncece
1/28701-FGC 101 1823 revG September 2017
BMR456 series Fully regulated Advanced Bus Converters
SSEECC/D (/S KLiesvain Zho Li) u 20152017--0912--2321 EG
Flex
Input 36-75 V, Output up to 39 A / 468 W
Key Features
Advanced Bus Converter Industry standard Quarter-
brick with digital PMBus interface
57.9 x 36.8 x 11.3 mm (2.28 x 1.45 x 0.445 in.)
Optional industry standard 5-pins for intermediate bus
architectures
Industry-leading Power Density for Telecom and
Datacom 127-141W / sq. in
Flex DC/DC Energy Optimizer built-in
High efficiency, typ. 96.4% at half load, 12 Vout
Fully regulated Advanced Bus Converter from 36-75Vin
2250 Vdc input to output isolation
Fast Feed forward regulation to manage line transients
Optional baseplate for high temperature applications
Droop Load Sharing option available
Optional variant supporting output capacitance up to
15mF
PMBus Revision 1.2 compliant
2.9 million hours MTBF
ISO 9001/14001 certified supplier
Safety Approvals Design for Environment
Power Management
Configurable soft start/stop
Precision delay and ramp-up
Output voltage margining
Meets requirements in high-
Voltage/current/temperature monitoring
temperature lead-free soldering
Configurable output voltage
processes.
Configurable fault response and other parameters
Power good
Contents
Ordering Information ............................................................. 2
General Information ............................................................. 3
Safety Specification ............................................................. 4
Absolute Maximum Ratings ............................................................. 5
Electrical Specification
9 V, 35 A / 351 W (36-75Vin) BMR 456 0004/004 ............................... 7
9 V, 39 A / 351 W (36-60Vin) BMR 456 0000/003 ............................. 11
12 V, 35 A / 420 W (36-75Vin) BMR 456 0004/001 ............................. 15
12 V, 35 A / 420 W (36-75Vin, high cap load) BMR 456 0004/018 ............................. 19
12 V, 39 A / 468 W (40-60Vin) BMR 456 0000/002 ............................. 23
12.45 V, 35 A / 415 W (36-75Vin) BMR 456 0007/014 ............................. 27
12.45 V, 39 A / 462 W (40-60Vin) BMR 456 0011/017 ............................. 30
EMC Specification ........................................................... 33
Operating Information ........................................................... 34
Thermal Consideration ........................................................... 38
Connections ........................................................... 39
PMBus Interface ........................................................... 40
Mechanical Information ........................................................... 43
Soldering Information ........................................................... 46
Delivery Information ........................................................... 47
Product Qualification Specification ........................................................... 49
PRODUCT SPECIFICATION
2 (5)
Prepared (also subject responsible if other) No.
EZHIXZH 1/1301- BMR 456 Uen
2
Technical Specication
Approved Checked Date Rev Reference
1/28701-FGC 101 1823 revG September 2017
BMR456 series Fully regulated Advanced Bus Converters
SEC/D (Lisa Li) 2017-09-21 G
Flex
Input 36-75 V, Output up to 39 A / 468 W
load sharing function for parallel operation,
Ordering Information
without digital interface
Product program Vin Output
n n n 001 = 12 V Standard configuration for 36-75
5 6 7
BMR456 0004/004 36 - 75 9 V / 35 A, 315 W
Vin, n n = 04 or 05
3 4
002 = 12 V Standard configuration for 40-60
BMR456 0004/001 36 - 75 12 V / 35 A, 420 W
Vin, n n = 00 or 01
3 4
BMR456 0004/018 36 - 75 12 V / 35 A, 420 W
003 = 9 V Standard configuration for 36-60 Vin,
n n = 00 or 01
3 4
BMR456 0007/013 36 - 75 12 V / 35 A, 400 W
004 = 9 V Standard configuration for 36-75 Vin,
BMR456 0007/014 36 - 75 12.45 V / 35 A, 415 W
n n = 04 or 05
3 4
008 = 12 V with positive RC logic configuration
for 36-75 Vin, n n = 04 or 05
BMR456 0000/003 36 - 60 9 V / 39 A, 351 W 3 4
009 = 12 V with positive RC logic configuration
BMR456 0000/002 40 - 60 12 V / 39 A, 468 W
for 40-60 Vin, n n = 00 or 01
3 4
013 = 12 V with 0.6 V droop load sharing
BMR456 0011/016 40 - 60 12 V / 39 A, 445 W
function configuration (36-75 Vin, n n = 06 or
3 4
BMR456 0011/017 40 - 60 12.45 V / 39 A, 462 W
07)
014 = 12.45 V with 0.6V droop load sharing
function configuration (36-75 Vin, n n = 06 or
3 4
Product Number and Packaging
07)
016 = 12 V with 0.6 V droop load sharing
BMR456 n1 n2 n3 n4 / n5 n6 n7 n8
function configuration (40-60 Vin, n n = 11 or
3 4
Mechanical
12)
pin option x /
017 = 12.45 V with 0.6V droop load sharing
Mechanical
function configuration (40-60 Vin, n n = 11 or
3 4
option x /
12)
x x /
Hardware option 018 = 12 V Standard configuration for
maximum 15mF capacitive load, 36-75 Vin,
Configuration file / x x x
n n = 04 or 05
3 4
Packaging(optio
nal) / x xxx = Application Specific Configuration
n Blank = 20 converters(through hole pin)/tray,
Optional Description 8
3 trays/ box, PE foam dissipative
designation
Blank = 10 converters(surface mount
n 0 = Standard pin length 5.33 mm(0.210 in.)
1 pin)/tray, 2 trays/box, Antistatic PPE
note 1
1 = Surface mount option
E = Through hole pin-in-paste product with dry
2 = Lead length 3.69 mm(0.145 in.) (cut)
package, 12 converters(through hole pin)/tray,
3 = Lead length 4.57 mm(0.180 in.) (cut)
4 trays/ box, Antistatic Polystyrene
4 = Lead length 2.79 mm(0.110 in.) (cut)
Example: Product number BMR4562100/001 equals an Through hole mount
n 0 = Open frame
2
lead length 3.69 mm (cut), baseplate, digital interface with 12 V standard
1 = Baseplate
configuration variant with PE foam tray package.
2 = Baseplate with GND-pin
Product number BMR4563104/004E equals an Through hole mount
lead length 4.57 mm (cut), baseplate, digital interface with 9 V standard
configuration variant with Antistatic Polystyrene dry package.
n n 00 = 40-60 Vin, 4-13.2 Vout adjusted, with
3 4
digital interface
Note 1: No baseplate option
01 = 40-60 Vin, 4-13.2 Vout adjusted, without
digital interface
For application specific configurations contact your local Flex sales
representative.
04 = 36-75 Vin, 4-13.2 Vout adjusted, with
digital interface
05 = 36-75 Vin, 4-13.2 Vout adjusted, without
digital interface
06 = 36-75 Vin, 4-13.2 Vout adjusted, Droop
load sharing function for parallel operation,
without digital interface
07 = 36-75 Vin, 4-13.2 Vout adjusted, Droop
load sharing function for parallel operation, with
digital interface
11 = 40-60 Vin, 4-13.2 Vout adjusted, Droop
load sharing function for parallel operation, with
digital interface
12 = 40-60 Vin, 4-13.2 Vout adjusted, Droop