Specifications

2
Hardware Description
41
Figure 6. ATCA-46xx Power Subsystem
+3_3V_SUS
10A Fuse
10A Fuse
10A Fuse
10A Fuse
0.1A Fuse
0.1A Fuse
H/S LED
Temp Sensors
-48V to
12V Brick
-48V 12V
PIM
-48V A
-48V B
VRTN A
VRTN B
-48V
+3_3V_SUS
+5V_SUS
EARLY A
EARLY B
ATCA Zone 1
(P10)
-48V A
-48V B
VRTN A
VRTN B
EARLY A
EARLY B
IPMC FPGA
CC FPGA
H8 IPMC
IPMC FPGA
IPMC Buffers
CC FPGA
RTC
+3_3V_RTM
400mA
2A
TPS54620
TPS54620
+5V
+3_3V
3.5A
4.5A
TPS7A8001
+2_5V_FE
500mA
TPS7A8001
+1_5V
+1_8V_FR
240mA
150mA
USB, MXM, PCH
Misc
CX2
PCH
I350
TPS54620 +1V
3.4A
TPS54620 +VDD_FE
CX2 (1.2V), CX3 (0.9V)
2.5A
+1_2V_SUS
TPS7A8001
TPS54620 +1_2V
CX2/3
1.83A
TPS54620
CPU0
2A
NCP6151
90A
+VCCP0 (0.6V – 1.35V)
+VCCPLL0 (1.8V)
+VSA0 (0.85V)
20A
NCP6151
16A
+VTT0 (1.05V)
+VDDQ0 (1.5V / 1.35V)
50A
TPS51100 +VTT_DDR0 (0.75V / 0.675V)
DDR, CPU0
DDR
TPS54620
CPU1
2A
NCP6151
90A
+VCCP1 (0.6V – 1.35V)
+VCCPLL1 (1.8V)
+VSA1 (0.85V)
20A
NCP6151
16A
+VTT1 (1.05V)
+VDDQ1 (1.5V / 1.35V)
50A
TPS51100 +VTT_DDR1 (0.75V / 0.675V)
DDR, CPU1
DDR
RTM
2.5A
2.5A
ISL6341A +1_1V
PCH
9.4A
TPS2458
+12V_RTM
2.1A
+12V_RTM
MXM
3.5A
TPS7A8001
TPS7A8001
TPS7A8001
+1_8V
CX2/3, T0808P
890mA
T0808P, I350