Ch.3 XpressGX5LP-SE Features
XpressGX5LP-SE Reference Manual
36
3.13 Power Supply
The XpressGX5LP-SE board is supplied by both the 12
V and 3.3
V of the PCI Express slot. These voltages are
available on the mezzanine power supply daughter card, which is mounted on the XpressGX5LP-SE by default.
The PCI Express 12
V generates 1.5
V, 1.8
V, 2.5
V, and 0.9
V voltages, while the 3.3
V generates 3.0
V voltages,
as shown below.
Supply daughtercard
12 V
3.3 V
Misc IOs
3.0V @ 2A
1.35V @ 16A
VDD DDR3 (1.5V for DDR3)
0.9V @ 25A
VCC_CORE/VCC_HIP/VCC_HSSI
1.8V @ 8A
RLDRAM/FlashCore
2.5V @ 8A
VCC_PGM/VCC_PD/VCCIO_CONFIG
1.0V @ 2A
VCCR_GXB
1.0V @ 2A
VCCT_GXB
1.5V @ 2A
VCCPT/VCCH_GXB/VCCD_FPLL
0.9V @ 2A
VTT/VREF RLDRAM
VDD_DDR3
@ 2A
VTT/VREF DDR3
VCCA_GXB
3.3V @ 1.5A
VCC QSFP+
Figure 15: Power Distribution for the XpressGX5LP-SE
Note:
The figures above are provided for illustrative purposes only.
