Xilinx VCU128 User Manual

Onboard Power System Devices
The VCU128 evaluaon board uses programmable power regulators from Intersil Corporaon to
supply the core and auxiliary voltages listed in the following table.
Table 32: Onboard Power System Devices
Schematic
Page
Rail Name Regulator Type U#
Vout
(V)
Iout
Range
(A)
I2C
Address
INA226
U#
I2C
Address
Programmable Regulators and INA226 Map
Programmable Regulators
54 VCCINT (PWM[2:6]) ISL68127IRAZ-TR5823 U31 0.72 -
0.85
1
125 0X65 U84 0x40
54 VCCBRAM (PWM[0]) ISL68127IRAZ-TR5823 U31 0.72 -
0.85
1
30 0X65 U86 0x41
56 VCC1V8 (PH_A/B) ISL91302BIKZ-TR5814 U15 1.8 4 - 6 0x63 U14 0X42
56 VADJ (PH_C/D) ISL91302BIKZ-TR5814 U15 0, 0.3
-1.8
4.5 - 6 0x63 NA NA
57 VCCHBM ISL68301IRAZ-TR5823 U36 1.2 25 0x68 U85 0x4C
57 MGTAVTT ISL68301IRAZ-TR5823 U24 1.2 20 0x69 U21 0x47
58 SYS_1V8 (PH_A) ISL91211AIKZ-TR5818 U22 1.8 0.75 - 1 0x60 NA NA
58 MGTVCCAUX (PH_B) ISL91211AIKZ-TR5818 U22 1.8 0.75 - 1 0x60 U20 0x48
58 MGTAVCC (PH_C/D) ISL91211AIKZ-TR5818 U22 0.9 8 - 10 0x60 U16 0x46
59 QDR4_VDDQ (PH_A/B) ISL91302BIKZ-TR5815 U44 1.2 5 - 6 0x62 NA NA
59 UTIL_1V30 (PH_C/D) ISL91302BIKZ-TR5815 U44 1.3 4.5 - 6 0x62 NA NA
60 RLD3_VDDQ (PH_A/B/D) ISL91302BIKZ-TR5816 U67 1.2 7 - 10 0x64 NA NA
60 DDR4_VDDQ (PH_C) ISL91302BIKZ-TR5816 U67 1.2 2.5 - 3 0x64 NA NA
61 UTIL_1V35 (PH_A/B/D) ISL91302BIKZ-TR5817 U68 1.35 6.5 - 10 0x61 NA NA
61 SYS_1V0 (PH_C) ISL91302BIKZ-TR5817 U68 1 1.75 - 2 0x61 NA NA
62 UTIL_3V3 ISL68301IRAZ-TR5826 U3 3.3 30 0x6A NA NA
62 UTIL_5V0 ISL68301IRAZ-TR5825 U12 5 20 0x6B NA NA
Non-I2C Regulators
63 VCCAUX_HBM SL80019FRZ-T7A U29 2.5 1.5 NA U79 0x4D
65 VCC_3V3 ISL85415FRZ-T7A U25 3.3 20 NA NA NA
33 DDR4_VTERM_0V6 TPS51200DR U71 0.6 3 NA NA NA
33 RLD3_VTERM_0V6 TPS51200DR U92 0.6 3 NA NA NA
Notes:
1. Jumper selectable at 3-pin header J25: 1-2=0.85V (default); 2-3=0.72V.
Documentaon describing the programming of the Intersil power controllers is available on the
Intersil website (see References). The PCB layout and power system design meet the
recommended criteria described in the UltraScale Architecture PCB Design User Guide (UG583).
Chapter 3: Board Component Descriptions
UG1302 (v1.0) December 21, 2018 www.xilinx.com
VCU128 Board User Guide 87
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Xilinx VCU128 Specifications

General

Brand	Xilinx
Model	VCU128
Category	Motherboard
Language	English