ML623 Board User Guide
www.xilinx.com
11
UG724 (v1.1) September 15, 2010
Detailed Description
Onboard Power Regulation
Figure 1-3
shows the onboard power supply architecture.
Note:
Power regulation jumpers are not shown in
Figure 1-3
.
The ML623 board uses power regulators and PMBus compliant digital PWM system
controllers from Texas Instruments to supply the core and auxiliary voltages listed in
Table 1-1
. The board can also be configured to use external bench power supply for each
voltage. See
Using External Power Sources
.
X-Ref Target - Figure 1-3
Figure 1-3:
ML623 Board Power Supply Block Diagram
External S
u
pply Jacks
V
CCI
N
T
V
CCAUX
V
CCO
V
CC2
V
5
UG724_c1_03_040810
V
CC3
V
3
V
CC5
Po
w
er S
u
pply
S
w
itching Mod
u
le PTD08A020
W
J223
J227
J175
J173
J178
J189
J174
J98
1.0
V
at 20A max
Po
w
er Controller 1
UCD9240PFC
U8
U10
S
w
itching Mod
u
le PTD08A020
W
2.5
V
at 20A max
U12
S
w
itching Mod
u
le PTD08A020
W
PT
V
12010
W
AD DC-DC Con
v
erter
MGTA
V
TT
2.5
V
at 20A max
Po
w
er Controller 2
UCD9240PFC
GTX Transcei
v
er
Po
w
er Mod
u
le
U19
U23
S
w
itching Mod
u
le PTD08A020
W
3.3
V
at 20A max
5.0
V
at 8A max
U22
U15
S
w
itching Mod
u
le PTD08A020
W
2.5
V
at 20A max
U13
12
V
P
W
R I
N
J122 or J141
or J234
MGTA
V
CC
