Analog Devices Linear ADI Power LTM4681 Manual page 84

LTM4681
TYPICAL APPLICATIONS
2
I C/SMBus I/F WITH PMBus COMMAND
SET TO/FROM IPMI OR OTHER BOARD
MANAGEMENT CONTROLLER
V , 6V TO 16V
IN
+
22µF
150µF 1m
×6
×2
1
1µF
1m
1
1µF
V
DD33A_01
4.99k
ON_OFF_CONFIG
4.99k
FAULT INTERRUPTS
4.99k
PGOOD_0.9V
2
I C/SMBus I/F WITH PMBus COMMAND
SET TO/FROM IPMI OR OTHER BOARD
MANAGEMENT CONTROLLER
V , 6V TO 16V
IN
+
22µF
150µF 1m
×6
×2
1
1µF
1m
1
1µF
ON_OFF_CONFIG
V FAULT INTERRUPTS
DD33B_01
10k
PGOOD_0.9V
10k
PGOOD_1V
PGOOD_1.2V
Figure 52. 6-Phase Operation Producing 0.9V at 187A, 2 Phase for 1V at 30A, and 1.2V at 30A. Power System Management
Features Accessible Through LTM4681 Over 2-Wire I
84
V
DD33A_01
4.99k 4.99k 4.99k 4.99k
ALERT SHARE_CLK SYNC SDA SCL
+
IN_01
–
IN_01
V
IN01
SV
IN_01
+
IN_23
–
IN_23
V
IN23
SV
IN_23
V
IN_VBIAS
RUNP
RUN0
RUN1
RUN2
RUN3
FAULT0
FAULT1
FAULT2
FAULT3
PGOOD0
PGOOD1
PGOOD2
PGOOD3
COMPb
COMPa
4700pF 100pF
ALERT SHARE_CLK SYNC SDA
+
IN_01
–
IN_01
V
IN01
SV
IN_01
+
IN_23
–
IN_23
V
IN23
SV
IN_23
V
IN_VBIAS
RUNP
RUN0
RUN1
RUN2
RUN3
FAULT0
FAULT1
FAULT2
FAULT3
PGOOD0
PGOOD1
PGOOD2
PGOOD3
100pF
COMPb
COMPa
2200pF 2200pF
For more information
4.7µF
4.99k
LTM4681
14.3k 14.3k
14.3k
1.65k 1.65k 1.65k 32.4k
4.7µF
SCL
LTM4681
100pF
14.3k 14.3k 14.3k 14.3k
1.65k 2.43k 1.65k 32.4k
2
C/SMBus/PMBus Serial Interface
www.analog.com
22µF
4.7µF
SW0
V
OUT0
100µF
×3
+ +
V V
OSNS0 OSNS
– –
V V
OSNS0 OSNS
SW1
V
OUT1
100µF
×3
+ +
V V
OSNS1 OSNS
– –
V V
OSNS1 OSNS
SW2
V
OUT2
100µF
×3
+ +
V V
OSNS2 OSNS
– –
V V
OSNS2 OSNS
SW3
V
OUT3
100µF
×3
+ +
V V
OSNS3 OSNS
– –
V V
OSNS3 OSNS
GND
SGND_23
SGND
SGND_01
32.4k
22.6k
14.3k
CONFIG RESISTORS ARE
TO BE 1%, 50PPM
SLAVE ADDRESS:100_1110_R/W FOR 2,3 DEVICE
MFR_CONFIG_ALL bit[4] =1
SLAVE ADDRESS:100_1111_R/W FOR 0,1 DEVICE
22µF
4.7µF
SW0
V
OUT0
100µF
×3
+ +
V V
OSNS0 OSNS
– –
V V
OSNS0 OSNS
SW1
V
OUT1
100µF
×3
+ +
V V
OSNS1 OSNS
– –
V V
OSNS1 OSNS
SW2
V
OUT2
+
V
OSNS1V
+
V
OSNS2
–
V
OSNS1V
–
V
OSNS2
SW3
V
OUT3
+
V
OSNS1V2
+
V
OSNS3
–
V
OSNS1V2
–
V
OSNS3
GND
SGND_23
SGND
SGND_01
4681 F52
18k
15.4k
14.3k
CONFIG RESISTORS ARE
TO BE 1%, 50PPM
32.4k SLAVE ADDRESS:100_1100_R/W FOR 2,3 DEVICE
MFR_CONFIG_ALL bit[4] =1
SLAVE ADDRESS:100_1101_R/W FOR 0,1 DEVICE
+
470µF
×2
+
470µF
×2
+
V
OSNS
0.9V AT 187A
LOAD
–
V
OSNS
+
470µF
×2
1V AT 30A
+
100µF
470µF
×4
×2
1.2V AT 30A
+
100µF 470µF
×4
×2
Rev. A