Flex BMR464, Manual

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Ericsson Internal
PRODUCT SPECIFICATION 4 (21)
Prepared (also subject responsible if other) No.
EAB/FJB/GM QLAANDR 2/1301-BMR 464 Uen
Approved Checked Date Rev Reference
EAB/FJB/GM (Ksenia Harrisen) (MICRF) 2014-05-02 C
Characteristics Conditions min typ max Unit
Over Current
Protection,
OCP
OCP threshold 48 A
OCP threshold range PMBus configurable 0-48 A
Protection delay, See Note 4 32 T
sw
Protection delay range PMBus configurable 1-32 T
sw
Fault response See Note 3 Automatic restart, 70 ms
Over Temperature
Protection,
OTP at P1
See Note 8
OTP threshold 120

C
OTP threshold range PMBus configurable -40…+120  C
OTP hysteresis 15

C
OTP hysteresis range PMBus configurable 0-160  C
Fault response See Note 3 Automatic restart, 240 ms
V
IL
Logic input low threshold
SYNC, SA0, SA1, SCL, SDA,
GCB, CTRL, VSET
0.8 V
V
IH
Logic input high threshold 2 V
I
IL
Logic input low sink current CTRL 0.6 mA
V
OL
Logic output low signal level
SYNC, SCL, SDA, SALERT,
GCB, PG
0.4 V
V
OH
Logic output high signal level 2.25 V
I
OL
Logic output low sink current 4 mA
I
OH
Logic output high source current 2 mA
f
SMB
SMBus Operating frequency 10 100 kHz
t
set
Setup time, SMBus See Note 1 250 ns
t
hold
Hold time, SMBus See Note 1 300 ns
t
free
Bus free time, SMBus See Note 1 2 ms
C
p
Internal capacitance on logic pins 10 pF
Initialization time See Note 10 35 ms
Output Voltage
Delay Time
See Note 6
Delay duration See Note 16 10
ms
Delay duration range PMBus configurable 2-500000
Delay accuracy
turn-on
Default configuration:
CTRL controlled
Precise timing enabled
±0.25 ms
PMBus controlled
Precise timing disabled
Current sharing operation
-0.25/+4 ms
Delay accuracy
turn-off
-0.25/+4 ms
Output Voltage
Ramp Time
See Note 13
Ramp duration 10
ms
Ramp duration range PMBus configurable 0-200
Ramp time accuracy
100 µs
Current sharing operation 20 %
VTRK Input Bias Current V
VTRK
= 5.5 V 110 200 µA
VTRK Tracking Ramp Accuracy (V
O
- V
VTRK
)
100% tracking, see Note 7 -100 100 mV
Current sharing operation
2 phases, 100% tracking
V
O
= 1.0 V, 10 ms ramp
±100 mV
VTRK Regulation Accuracy (V
O
- V
VTRK
)
100% Tracking -1 1 %
Current sharing operation
100% Tracking
-2 2 %
Current difference between products in a current
sharing group
Steady state operation Max 2 x READ_IOUT monitoring accuracy
Ramp-up 4 A
Number of products in a current sharing group 7
Monitoring accuracy
READ_VIN vs V
I
3 %
READ_VOUT vs V
O
1 %
READ_IOUT vs I
O
I
O
= 0-40 A, T
P1
= 0 to +95 °C
V
I
= 4.5-14 V, V
O
= 1.0 V
±2.5 A
READ_IOUT vs I
O
I
O
= 0-40 A, T
P1
= 0 to +95 °C
V
I
= 4.5-14 V, V
O
= 0.6-3.3 V
±4 A
BMR4 6 series PoL Regulators
Input
4.5-14
V, Output up to
50
A /
165
W
1/28701-BMR 464 Rev.B July 2019
©
Flex
Technical Specification
7