ZCU104 Board User Guide
83
UG1267 (v1.1) October 9, 2018
Chapter 3:
Board Component Descriptions
Ult MPSoC Technical Reference Manual
(UG1085)
for information on the
resets.
Board Power System
[
, callout 26]
The ZCU104 hosts a Infineon PMBus based power system. Each individual Infineon
IRPS5401MTRPBF voltage regulator has a PMBus interface.
shows the ZCU104 power system block diagram.
X-Ref Target - Figure 3-32
Figure 3-32:
Power System Block Diagram
Power Controller U179
IRPS5401MTRPBF
PHASE_A
VCCINT
PHASE_B
VCC1V8
PHASE_C
PHASE_D
VCC1V2
7-bit PMBus ADDR:0x43
7-bit I2C ADDR: 0x13
Page 47
Power Controller U180
IRPS5401MTRPBF
PHASE_A
UTIL_3V3
PHASE_B
UTIL_1V13
7-bit PMBus ADDR:0x44
7-bit I2C ADDR: 0x14
PHASE_C
UTIL_5V0
PHASE_D
VADJ_FMC
Page 49
Switching Regulator
U184 IR3897MTRPBF
VCCINT_VCU
Page 51
Switching Regulator
U173 IR3883MTRPBF
VCC3V3
Page 52
Switching Regulator
U171 IR3823MTRPBF
MGT1V2
Page 53
Switching Regulator
U172 IR3883MTRPBF
UTIL_2V5
Page 55
Source-Sink
Switching Regulators
U177 IR3897MTRPBF
PL_DD4R_VTT
Page 56
U178 IR3897MTRPBF
PS_DD4R_VTT
0.90v 3A
3.30V 500mA
1.20V 1A
2.50V 2A
0.60V 4A
0.60V 4A
12VDC
Page 46
Schematic 0381794
VO_LDO MGTAVCC
VO_LDO MGTAVCC
Low Noise LDO
U174 IFX5441LDV
MGT1V8
1.80V 100mA
Page 54
X20120-020518