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
SN74LVC1G3157
Vcc
B2 A
Gnd
B1 S
Temp _1A
Temp _1B
Temp _2A
Temp _2B
Temp _3A
Temp _4A
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
Temp _2A
Temp _2B
Temp _3A
Temp _4A
+Vs1
-Vs1
+3.3V
UCD9246
nTRST
TMS/ PGood
TDI/Sync-in
TDO/Sync-out
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/SEQ-1
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
SEQ-2
TMUX-2
FLT-3A
DPWM-3A
SRE-3A
CS-3A
FLT-4A
DPWM-4A
SRE-4A
CS-4A
EAP3
EAN3
EAP4
EAN4
V33DIO V33DIO
AGND3 DGND2 DGND3
TRCK
UCD9246
www.ti.com SLVSA34 –JANUARY 2010
Figure 4. Typical Application Schematic
Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 9