Xilinx VC7203 User Manual page 10

Chapter 1: VC7203 Board Features and Operation
X-Ref Target - Figure 1-3
Power Supply
12V PWR IN
J2 or J29
or J131 Power Controller 1
UCD9248PFC
Switching Regulators (2 Phases)
1.0V at 40A max
Switching Regulator
1.8V at 10A max
Switching Regulator
1.0V at 10A max
Switching Regulator
1.8V at 10A max
Power Controller 2
UCD9248PFC
Switching Regulator
1.8V at 10A max
Switching Regulator
1.8V at 10A max
Switching Regulator
5.0V at 10A max
Switching Regulator
3.3V at 18A max
Switching Regulator
2.5V at 18A max
The VC7203 board uses power regulators and PMBus compliant digital PWM system
controllers from Texas Instruments to supply the FPGA logic and utility voltages listed in
Table
voltage. See
10
U5, U51
U2
U13
U52
Figure 1-3: VC7203 Board Power Supply Block Diagram
1-2. The board can also be configured to use an external bench power supply for each
Using External Power
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U9
U6
U56
U50
U10
U57
U58
Linear Regulator
2.5V at 3A max
7 Series GTX Power Module
1.05V at 12.0A max
1.2V at 8.0A max
1.8V at 2.6A max
Sources.
VC7203 GTX Transceiver Characterization Board
VCCINT
VCCAUX
VCCBRAM
VCCAUX_IO
VCCO_HP
VCCO_HR
UTIL_5V0
UTIL_3V3
UTIL_2V5
U62
VCCO_0
MGTAVCC
MGTAVTT
MGTVCCAUX
UG957_c1_03_100712
UG957 (v1.0) October 10, 2012