Fmc_Vadj Voltage - Xilinx VC709 User Manual

VC709 Evaluation Board Features
Chapter 1:
Table 1-21: Onboard Power System Devices (Cont'd)
Reference
Device Type
Designator
REF3012 U35
Notes:
1. See Table 1-22.
2. See Table 1-23.
3. See Table 1-24.
4. The FMC VADJ rail is fixed at 1.8V.

FMC_VADJ Voltage

The FMC VADJ rail is fixed at 1.8V (U63 V
Monitoring Voltage and Current
Voltage and current monitoring and control are available for selected power rails through Texas
Instruments' Fusion Digital Power graphical user interface. The three onboard TI power controllers
(U42 at address 52, U43 at address 53, and U64 at address 54) are wired to the same PMBus. The
PMBus connector, J5, is provided for use with the TI USB Interface Adapter PMBus pod (TI part
number EVM USB-TO-GPIO), which can be ordered from the
website and the associated TI Fusion Digital Power Designer GUI also downloadable from
Instruments fusion
current values for the power rail listed in
In each of these the three tables (one per controller), the Power Good (PG) On Threshold is the
set-point at or above which the particular rail is deemed "good". The PG Off Threshold is the
set-point at or below which the particular rail is no longer deemed "good". The controller internally
OR's these PG conditions together and drives an output PG pin high only if all active rail PG states
are "good". The On and Off Delay and rise and fall times are relative to when the board power on-off
slide switch SW12 is turned on and off.
Table 1-22
PMBus controller at address 52 (U42).
Table 1-22: Power Rail Specifications for UCD9248 PMBus Controller at Address 52
Rail Rail Schematic
Number Name Rail Name
1 Rail #1 VCCINT_FPGA
2 Rail #2 VCCAUX
3 Rail #3 VCC3V3
Notes:
1. The values defined in these columns are the voltage, current, and temperature thresholds that cause the regulator to shut down if the value is
exceeded.
62
Send Feedback
Description
Fixed linear voltage reference
tools. This is the simplest and most convenient way to monitor the voltage and
defines the voltage and current values for each power rail controlled by the UCD9248
1 0.9 0.85
1.8 1.62 1.53 20
3.3 2.97 2.805 35
www.xilinx.com
Power Rail
Net Name
XADC_VREF
B VCC1V8).
OUT
Texas Instruments Xilinx USB
Table 1-22, Table 1-23, and
5 4 35 4
4 20 4
5 5 5
Power Rail Schematic
Voltage Page
1.25V 27
Texas
Table 1-24.
(1)
Shutdown Threshold
1.15 35 84
2.07 9.5 84
3.795 9.5 84
VC709 Evaluation Board
UG887 (v1.6) March 11, 2019