UCD
90120
/
UCD
90124
GPIO
PMBUS
MON
V
33
FPWM
/GPIO
RESET
PWM
/GPI
V
33
D
ON
LOCAL
RAILSVR
1
-
4
FBx
ENx
5
VBUS
ExtENoutputs
ExtMON
1
-4
15
VMax
3
P
3
V
USB
-
PMBUS
EN
1
-4
5
VBUS
SUPPL
Y
CurrentMonitor
MON
3
only
2
V
/A
ON
3
1
MON
1
-4
2
1
FPWM
1
-
4
PCB
T
emp
Monitor
MON
2
only
T
(C
)=
100
*V
-50
VR
1
Margin
RAILS
1
-4
LOCAL
RAILSVR
5
-12
ENx
5
VBUS
ExtENoutputs
ExtMON
5
-
12
5
VMax
.
3
P
3
V
EN
5
-12
ON
MON
5
-12
2
1
RAILS
5
-12
F
AUL
T
INJECTION
UVOV
F
ANPWM
LEVEL
SHIFTER
/DRIVER
PULLUP
/
DOWN
SELECT
PWM
1
PULLUP
SELECT
F
AN
T
ACH
LEVEL
SHIFTER
FPWM
5
F
ANINTERF
ACE
3
P3
V
PWM
/GPI
3
P
3
V
GPI
1
-4
GPIST
A
TUS
INRUSH
LIMITER
12
VBUS
5
VBUS
3
.3
V
SUPPL
Y
L
3
P
3
V
3
P
3
V
V
33
D
12
-3
.3
V
SUPPL
Y
3
P
3
V
_
USB
POWER
V
33
FB
FL
TR
V
33
A
1
2
1
6
V
33
D
MON
13
ADDRSENSx
JT
AG
USB
USB
HOST
USB
3
.3
V
LDO
3
P
3
V
_
USB
PWR
MON
BUS
SWITCH
EXP
PMBUS
CTRL
ALR
T
USB
-PMBUS
JT
AG
EXP
GPIO
LED
ENABLE
FPWM
GPIO
12
VIN
T
ACH
IN
PWM
OUT
12
VBUS
F
AN
TEMP
SIM
EVR
12
ONL
Y
www.ti.com
Quick Start
2.3
EVM Block Diagram
Figure 3. UCD90120/4 EVM Block Diagram
5
SLVU347 – December 2009
Evaluation Module for UCD90120 and UCD90124
Submit Documentation Feedback
Copyright © 2009, Texas Instruments Incorporated
