Onboard Power Regulation - Xilinx SP623 User Manual

Onboard Power Regulation

Figure 1-3
Note:
X-Ref Target - Figure 1-3
Power Supply
12V PWR IN
J122 or J141
or J234
Power Controller 1
UCD9240PFC
Switching Module PTD08A020W
1.2V at 20A max
Switching Module PTD08A020W
2.5V at 20A max
Switching Module PTD08A020W
2.5V at 20A max
Power Controller 2
UCD9240PFC
Switching Module PTD08A020W
2.5V at 20A max
Switching Module PTD08A020W
3.3V at 20A max
PTV12010WAD DC-DC Converter
5.0V at 8A max
The SP623 board uses power regulators and PMBus compliant digital PWM system
controllers from Texas Instruments to supply the core and auxiliary voltages listed in
Table
voltage. See
SP623 Board User Guide
UG751 (v1.0) May 22, 2010
shows the on-board power supply architecture.
Power regulation jumpers are not shown in
U8
U10
U12
U13
U19
U23
U22
U15
Figure 1-3: SP623 Board Power Supply Block Diagram
1-1. The board can also be configured to use external bench power supply for each
Using External Power
www.xilinx.com
Figure 1-3.
External Supply Jacks
J223 J227
VCCINT
VCCAUX
VCCO
J175 J174
VCC2V5
VCC3V3
J173
VCC5
MGTAVCC
GTP Transceiver
Power Module
MGTAVTT
Sources.
Detailed Description
J98
J178 J189
UG751_c1_03_041510
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