TB-KU-xxx-ACDC8K Hardware User Manual
16
Rev. 1.03
7. Description of Components
7.1. Power Supply Structure
TB-KU-xxx-
ACDC8K board’s power supply structure is shown in the figure below.
KCU Vccint
0.95V
+/- 3% (0.922 to
0.979V)=41.6A
KCU Vccint_io
0.95V
+/- 3%=2.6A
Total 44.2A
LMZ31710 x 6
60A current share
from Sequencer
12V
KCU Vccbram
0.95V
+/- 3% (0.922 to
0.979V)
0.7A
KCU Vccaux
1.80V
+/- 3% (1.746 to
1.854V)=3.8A
KCU Vccaux_io 1.80V +/- 3%=1.4A
Total 5.2A
TPS53318
In=1.5-22V/Out=0.6-5.5V/8A
TPS53318
In=1.5-22V/Out=0.6-5.5V/8A
from Sequencer
KCU Vcco HR
1.8V/2.5V/3.3V
+3/- 5% =0.9A
(3.3V +3/- 5% : 0.1A ,1.8V +3/- 5% : 0.1A)
FMC Vadj 3.3V=4A
Total 4.9A
KCU Vcco HP
1.8V
+/- 5%=1.9A
FMC Vadj 1.8V 4A x 4 = 16A
Total 17.9A
SFP+ module
3.3V
+/-3% 0.3A x 4 = 1.2A
FMC 3.3V
3.3V
Aux x5 4A x 6 = 24A
Total 25.2A
KCU Vccadc
1.8V
+/- 3%(1.746 to 1.854V)
Total 0.03A
FMC
12V
x7
Total 1A x 7 = 7A
TPS53355
In=1.5-15V/Out=0.6-5.5V/30A
TPS53355
In=1.5-15V/Out=0.6-5.5V/30A
from Sequencer
from Sequencer
from Sequencer
UCD9090 Sequencer
TLV70433
3.3V LDO
10
to power devices
TPS53318
In=1.5-22V/Out=0.6-5.5V/8A
TPS51206
Termination 3A
TPS73801
In=2.2-20V/Out=1.21-20V/1A
TPS53319
In=1.5-22V/Out=0.6-5.5V/14A
TPS53319
In=1.5-22V/Out=0.6-5.5V/14A
TPS73801
In=2.2-20V/Out=1.21-20V/1A
from Sequencer
from Sequencer
from Sequencer
from Sequencer
from Sequencer
KCU Vcco DDR4
1.2V
+/- 5%=1.0A
DDR4 chip VDDQ : 0.330A x 8chip = 2.64A
DDR4 Vterm : 0.39A x 2 = 0.78A
Total 4.42A
KCU Vterm DDR4
0.6V
DDR4 Vterm 0.6V (0.49-0.51VDD) x8
DDR4 chip VPP
2.5V
+10/-5% x8
Total 0.13A
KCU Vmgtavcc
1.00V
+/- 3% (0.970 to
1.030V)
Total 7.7A
KCU Vmgtavtt
1.20V
+/- 2.5%(1.170 to
1.230V)=7.6A
KCU Vmgtavttrcal
1.20V
+/- 2.5%(1.170 to
1.230V)
Total 7.6A
KCU Vmgtvccaux
1.80V
+/- 2.8%(1.750 to
1.850V)
Total 0.1A
5V0_USB_VBUS
5V0_USB_FILT
1V8_USB_PWR
USB UART
TPS73801
In=2.2-20V/Out=1.21-20V/1A
Fuse
Fuse
Figure 7-1 Power Supply Structure
