Ericsson Internal
E
SEC/S Kevin Zhou
TPARBOLDEUOCFTCSOPENCTIEFNICTASTION
1 (25)
Prepared (also subject responsible if other)
No.
010/1135021--FBGMCR104151682U3en
Technical Specification
BMR456 series Fully regulated AdvCahneckceed d Bus Converters
Approved
Date
Rev
Reference
1/28701-FGC 101 1823 revD February 2013
SEC/S Kevin Zhou
2013-01-24
D
© Ericsson AB
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
Ericsson 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 with 10% current share accuracy
Optional high capacitive load 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
Voltage margining
Voltage/current/temperature monitoring
Configurable output voltage
Configurable fault response
Power good
Meets requirements in high-
temperature lead-free soldering
processes.
Contents
Ordering Information
General Information
Safety Specification
............................................................. 2
............................................................. 2
............................................................. 4
............................................................. 5
Absolute Maximum Ratings
Electrical Specification
9 V, 35 A / 351 W (36-75Vin)
9 V, 39 A / 351 W (36-60Vin)
12 V, 35 A / 420 W (36-75Vin)
12 V, 35 A / 420 W (36-75Vin, high cap load)
12 V, 39 A / 468 W (40-60Vin)
12.45 V, 35 A / 415 W (36-75Vin)
12.45 V, 39 A / 462 W (40-60Vin)
BMR 456 0004/004............................... 7
BMR 456 0000/003............................. 11
BMR 456 0004/001............................. 15
BMR 456 0004/018............................. 19
BMR 456 0000/002............................. 23
BMR 456 0007/014............................. 27
BMR 456 0011/017............................. 30
EMC Specification
........................................................... 33
........................................................... 34
........................................................... 38
........................................................... 39
........................................................... 40
........................................................... 43
........................................................... 46
........................................................... 47
........................................................... 49
Operating Information
Thermal Consideration
Connections
PMBus Interface
Mechanical Information
Soldering Information
Delivery Information
Product Qualification Specification