Ericsson Internal
E
SECSUND
PRODUCT SPECIFICATION
6 (7)
Prepared (also subject responsible if other)
No.
30/1301-BMR 451 0002 Uen
17
Technical Specification
Approved
Checked
Date
Rev
Reference
EN/LZT 146 401 R4A May 2015
BMR 451 Digital PoL Regulators
Input 4.5-14 V, Output up to 40 A / 132 W
2015-05-15
PJ1
© Ericsson AB
A typical application circuit when using Synchronization and
PMBus Voltage Adjust.
Connections
Supply
Sync
CTRL
−
+
1A
8A
7A
8B
7B
+
+
C
C
I
6A
5A
4A
6B
5B
4B
2A
3A
R
R
SA1
SA0
O
PMBus (SALERT,
SDA, SCL, DGND)
−
+
Load
Pin layout, top view.
The resistors, RSA0 and RSA1, are used for adressing, described in
section Adressing.
Pin
Designation
Function
1A, 1B
2A, 2B
3A, 3B
4A
VIN
Input Voltage
Power Ground
Output Voltage
Positive sense
Negative sense
Address pin 0
Address pin 1
PMBus Clock
GND
VOUT
+S
4B
−S
5A
SA0
SA1
SCL
SDA
5B
6A
6B
PMBus Data
Analog Voltage Adjust /
Synchronization
7A
7B
8A
FLEX
DGND
SALERT
PMBus Ground
PMBus Alert
PMBus Control
(Remote Control)
8B
CTRL
Typical Application Circuit
A typical application circuit when using Analog Voltage Adjust.
Supply
CTRL
−
+
1A,B
8A
7A
8B
7B
+
+
C
C
I
6A
5A
4A
6B
5B
4B
2A,B
3A,B
R
R
R
SA1
SET
SA0
O
PMBus (SALERT,
SDA, SCL, DGND)
−
+
Load
ERICSSON [ ERICSSON ]
