Ericsson Internal
E
SECSUND
PRODUCT SPECIFICATION
2 (17)
Prepared (also subject responsible if other)
No.
2/1301-BMR 457 Uen
6
Technical Specification
BMR457 series Fully regulated AdvCahneckceed d Bus Converters
Approved
Date
Rev
Reference
SEC/D (Julia You)
EZHIXZH
2012-08-24
C
1/28701-FGCL101 1835 revC August 2012
© Ericsson AB
Input 36-75 V, Output up to 25 A / 300 W
Functional Description
TP1, TP3 = -40 to +90ºC, VI = 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: TP1, TP3 = +25°C, VI= 53 V, max IO , unless otherwise specified under Conditions
Configuration File: 190 10-CDA 102 0315/001
Characteristics
Conditions
min
typ
max
Unit
PMBus monitoring accuracy
VIN_READ
Input voltage
-2
-1.0
-6
±0.5
±0.1
±0.15
-
2
%
%
%
A
VOUT_READ
Output voltage
Output current
Temperature
VI = 53 V
1.0
6
VI = 53 V, 50-100% of max IO
VI = 53 V, 10% of max IO
Controller IC internal sensor
IOUT_READ
TEMP_READ
-0.6
0
0.6
10
ºC
5
Fault Protection Characteristics
Factory default
-
0
-
32
0.5
2
-
1
-
V
V
V
Setpoint accuracy
Input Under Voltage
Lockout,
Factory default
UVLO
Hysteresis
Configurable via PMBus of
threshold range, Note 1
0
-
-
V
Delay
-
300
0
-
-
μs
V
Factory default
-
VOUT_UV_FAULT_LIMIT
(Output voltage)
Over/Under Voltage
Protection,
Configurable via PMBus, Note 1
Factory default
0
-
16
-
V
-
15.6
-
V
VOUT_OV_FAULT_LIMIT
OVP/UVP
Configurable via PMBus, Note 1
VOUT
16
-
V
fault response time
Setpoint accuracy
-
-6
-
200
μs
%
Io
6
-
Over Current
Protection,
OCP
Factory default
25
IOUT_OC_FAULT_LIMIT
A
Configurable via PMBus, Note 1
0
-
-
100
fault response time
OTP_FAULT_LIMIT
200
125
-
-
μs
Factory default
-
Configurable via PMBus, Note 1
Factory default
-50
125
Over Temperature
Protection,
OTP
°C
μs
10
OTP hysteresis
Configurable via PMBus, Note 1
0
-
125
-
fault response time
300
Logic Input/Output Characteristics
Logic input low (VIL)
-
-
-
1.1
-
V
V
CTRL, SA0, SA1, PG, SCL, SDA,
Logic input high (VIH)
2.1
CTRL, PG, SALERT, SCL, SDA
IOL = 6 mA
Logic output low (VOL
)
-
-
0.25
-
V
CTRL, PG, SALERT, SCL, SDA
IOH = -6 mA
Logic output high (VOH
Bus free time T(BUF)
)
2.7
1.3
-
-
V
Note 2
us
Note 1: See Operating Information section.
Note 2: PMBus timing parameters according to PMBus spec.
ERICSSON [ ERICSSON ]
