User's Manual

As a result, check your main power supply ratings.
If your system is likely to reach 25W per power rail we advice that you provide extra power to
the carrier board using an external power supply.
Device
Name Quantity Voltage(V) Current(mA) Power(W) Source
3.3v power supply V33 1 3.3 7600 25 PCI specifications
Table 4: Total available power.
Device
Nam
e
Quantit
y
Voltage(V) Curren
t(mA)
Power(W) Source
XC4VLX160FF1148-11
Vccint=1.2v
Vfpg
a
1 1.2 1.805 2.166
(design implementation of 4
independent qdrii controllers)
Virtex-4
power
estimator
Fpga Vccint power plane
capacity
Vfpg
a
1 1.2 14000 16.8 TI TPS50410
Table 5: Power budget on 1.2v
Device
Name Quantity Voltage(V) Current(mA) Power(W) Source
XC4VLX160FF1148-11
Vcco=2.5v (LVDS TX
pairs on SLB bus)
V25 40 2.5 10 1 Virtex-4 power
estimator
XC4VLX160FF1148-11
Vcco=2.5v (LVCMOS
TX on SLB bus)
V25 27 2.5 12 0.81 Virtex 4 ds302 v1.17
p.7
Total power consumed V25 1.81
Fpga 2.5v power plane
capacity
V25 1 2.5 1.5 3.75 LT1963-1.5A Linear
Regulator 3.3v to
2.5v/1.5A
Excess power 1.94
Table 6: Power budget on 2.5v
User Manual SMT348 Page 18 of 29 Last Edited: 29/02/2008 17:52:00