Ericsson Internal
Ericsson Internal
TABLE OF CONTENTS
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E
PRODUCT SPECIFICATION
Prepared (also subject responsible if other)
No.
Prepared (also subject responsible if other)
No.
EZIWSON
EZIWSON
Approved
001 52 - EN/LZT 146 401 Uen
1/1301-BMR 451 Uen
RTevechnicRaelferSencpe ecification
Checked
Checked
Date
Approved
Date
Rev
Reference
EN/LZT 146 401 R4A May 2015
SEC/D (Julia You)
2011-08-11
E
D
BMR 451 Digital PoL Regulators
SEC/D (Julia You)
2011-12-21
G
© Ericsson AB
Input 4.5-14 V, Output up to 40 A / 132 W
Key Features
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Small package
30.85 x 20 x 8.2 mm (1.215 x 0.787 x 0.323 in.)
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40 A output current
4.5 V – 14 V input voltage range
0.6 V – 3.6 V output voltage range (by PMBus)
0.7 V – 3.3 V output voltage range (by external resistor)
High efficiency, typ. 96,4% at half load, 5 Vin, 3.3 Vout
6.9 million hours MTBF
Through hole and surface mount versions
PMBus read and write compliant
General Characteristics
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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
Start up into a pre-biased output
Output short-circuit protection
Over temperature protection
On/Off remote control
Safety Approvals
Design for Environment
Output voltage sense
ISO 9001/14001 certified supplier
Meets requirements in high-
temperature lead-free soldering
processes.
Contents
Ordering Information
General Information
Safety Specification
Absolute Maximum Ratings
Functional Specification
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Electrical Specification
1.0V, 40A / 40W
3.3V, 40A / 132W
BMR 451 0002/020............................... 6
BMR 451 0002/020............................... 9
EMC Specification
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Operating Information
Thermal Consideration
Connections
Typical Application Circuits
PMbus Interface & Commands
Mechanical Information
Soldering Information
Delivery Information
Product Qualification Specification