SP601 Hardware User Guide
www.xilinx.com
41
UG518 (v1.1) August 19, 2009
Power Management
The SP601 uses power solutions from LTC. An estimate of the current draw on the various
power supply rails is shown in
Table 1-22
.
X-Ref Target - Figure 1-
3
0
Figure 1-30:
Power Supply
5V
PWR
J
a
ck
D
ua
l
S
witcher LTM4616
3. 3V@
8
A m
a
x
2. 5V@
8
A m
a
x
D
ua
l
S
witcher LTM4616
1. 2V@
8
A m
a
x
1.
8
V@
8
A m
a
x
Line
a
r Reg
u
l
a
tor LT1763
Monolithic Reg
u
l
a
tor
0.9V@3A m
a
x
B
u
ck-Boo
s
t Reg
u
l
a
tor LT1731
12V@1A m
a
x
3. 0V@500mA m
a
x
UG51
8
_30 _070
8
09
Table 1-22:
Estimated Current Draw
Rail (V)
Estimated Current (A)
FMC
LX16
Int/Aux
LX16
V
CCO
DDR2
BPI/SPI
Flash
USB
CP2103
Clock
Socket
Marvell
EPHY
Estimated
Totals
LTC
µModule
Comments
12
1.0
1.0
LT1731
12V,
3A
3.3
3.0
2.0
0.3
0.1
0.1
5.5
(1/2)
LTM4616
3.3V, 8A
2.5
0.1
1.0
1.1
(1/2)
LTM4616
2.5V, 8A
1.8
1.0
1.3
(1/2)
LTM4616
1.8V, 8A
1.2
3.0
2.0
5.0
(1/2)
LTM4616
1.2V, 8A
V
TT
0.9
1.0
1.0
LTC3413
0.9V, 1.0A