Xilinx VCU128 - Page 86

Figure 29: Power System Block Diagram
12V Vin
UTIL_3V3
3.3V @ 20A
ISL68301 +
ISL919227B
DDR4_VTERM_0V6
0.6V @ 3A
TPS51200
RLD3_VTERM_0V6
0.6V @ 3A
TPS51200
UTIL_5V0
5.0V @ 20A
ISL68301 +
ISL919227B
VCC1V8
1.8V @ 6A
ISL91302B (A+B)
VADJ
1.8V @ 6A
ISL91302B (C+D)
SYS_1V8
1.8V @ 1A
ISL91211 (A)
MGTVCCAUX
1.8V @ 1A
ISL91211A (B)
MGTAVCC
0.9V @ 10A
ISL91211A (C+D)
QDR4_VDDQ_1V2
1.2V @ 6A
ISL91302 (A+B)
UTIL_1V30
1.30V @ 6A
ISL91302B (C+D)
DDR4_VDDQ_1V2
1.2V @ 3A
ISL91302 (A+B+D)
RLD3_VDDQ_1V2
1.2V @ 10A
ISL91302 (C)
UTIL_1V35
1.35V @ 10A
ISL91302B (A+B+D)
SYS_1V0
1.0V @ 2A
ISL91302B (C)
VCCAUX_HBM
2.5V @ 1.5A
ISL80019
VCCHBM
1.2V @ 25A
ISL68301 +
ISL919227B
MGTAVTT
1.2V @ 20A
ISL68301 +
ISL919227B
VCCINT
0.85V @ 125A
ISL68127 +
ISL919227 (5)
VCCBRAM
0.85V @ 30A
ISL68127 +
ISL919227 (1)
Current
Shunt
Current
Shunt
Current
Shunt
Current
Shunt
252W (PCIe
brick option)
*Wattage calculations based on XPE requirements plus 25%
overhead for soft IP flexibility
62W
16W
11W
12W
11W
10W
2W
22W
18W
103W
Current
Shunt
Current
Shunt
Current
Shunt
Current
Shunt
X21654-121718
Chapter 3: Board Component Descriptions
UG1302 (v1.0) December 21, 2018 www.xilinx.com
VCU128 Board User Guide 86
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