Datasheet

UCD7231 PowerStage
-Vs
+Vs
UCD7231
RDLY
VGG
HS_SNS
HS_Gate
ILIM
IOUT
BP3
Vin
AGND
CSP
SRE_Mode
CSN
LS_Gate
SWSRE
FF BST
PWM
PwPd
PGND
VGG_DIS
Vin
Vin
Temperature
Sensor
Temp _1A
CD74HC4051
Vcc
A0 A
Gnd
A1
A2
A3
A7
A5
A6
A7
S1
S0
E
S2
Vee
+3.3V
SN74LVC 1G3157
Vcc
B2 A
Gnd
B1 S
Temp _1A
Temp _1B
Temp _2A
Temp _2B
Temp _3A
Temp _3B
Temp _4A
Temp _4B
TMUX-2
TMUX-1
TMUX-0
Temperature
+3.3V
+3.3V
TMUX-0
Vin/Iin
Vin
Iin
Temperature
Vin/Iin
+Vs1
-Vs1
TMUX-2
TMUX-1
TMUX-0
Temp _1B
UCD7231 PowerStage
FF
PWM
IOUT
SRE
Temp
+Vs
-Vs
UCD7231 PowerStage
FF
PWM
IOUT
SRE
Temp
+Vs
-Vs
UCD7231 PowerStage
FF
PWM
IOUT
SRE
Temp
+Vs
-Vs
UCD7231 PowerStage
FF
PWM
IOUT
SRE
Temp
+Vs
-Vs
UCD7231 PowerStage
FF
PWM
IOUT
SRE
Temp
+Vs
-Vs
UCD7231 PowerStage
FF
PWM
IOUT
SRE
Temp
+Vs
-Vs
UCD7231 PowerStage
FF
PWM
IOUT
SRE
Temp
+Vs
-Vs
Temp _2A
Temp _2B
Temp _3A
Temp _3B
Temp _4A
Temp _4B
+Vs1
-Vs1
+3.3V
UCD9248
nTRST
TMS
TDI
TDO
FLT -1A
DPWM-1A
SRE-1A
AGND1
V33A
FLT -1B
DPWM-1B
SRE-1B
FLT -2A
DPWM-2A
SRE-2A
FLT -2B
DPWM-2B
SRE-2B
TMUX-0
TMUX-1
TCK
nRESET
PMBus_Clock
PMBus_Data
PMBus_Alert
PMBus_Cntl
V33D
BPCAP
AGND2 DGND1 PowerPad
EAP1
ADDR-0
ADDR-1
EAN1
EAP2
EAN2
Vin/Iin
Vtrack
Temperature
CS-1A
CS-1B
CS-2A
CS-2B
V33FB
PGood
ADCref
SEQ-1
SEQ-2
TMUX-2
FLT -3A
DPWM-3A
SRE-3A
CS-3A
FLT -3B
DPWM-3B
SRE-3B
CS-3B
FLT -4A
DPWM-4A
SRE-4A
CS-4A
EAP3
EAN3
EAP4
EAN4
FLT -4B
DPWM-4B
SRE-4B
CS-4B
V33DIO V33DIO
AGND3 DGND2 DGND3
SEQ-3
TRCK
Sync_In
Sync_Out
Aux-in (AD13)
Aux-in (AD14)
+3.3V
UCD9248
www.ti.com SLVSA33A –JANUARY 2010–REVISED AUGUST 2012
Figure 4. Typical Application Schematic
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