Datasheet

VBAT
VSTBY
GND
RST_OUT/
VBAT
SCL
SDA
VBAT_SW1
GND
VBAT
VBAT
GND
VOUT2
GND
GND
GND
VBATW1
GND
VSTBY
SW_REG_SY
NC
SW_REG1_ON
GND
GND
GND
VLR
VSTBY
GND
VBAT
VBAT
VOUT1
R37
R39
R24
GND
R29
C24
C33
R30
C34
C28
R16
R33
R17
2 1
+
C16
R23
C15
R18
C27
C18
R1
R21
C21
R26
GND
C22
R38
R27
R20
R35
R28
G
4
S
3
D
6
D
5
Q2B
R36
C26
C23
C17 R19
2 1
+
C6
R3
2
1
L2
R40
R31
C32
C29
G
4
S
3
D
6
D
5
Q1B
C20
2
1
L1
G
2
S
1
D
8
D
7
Q1A
C12
R32
R34
G
2
S
1
D
8
D
7
Q2A
TPS43331DAC
VLRS
7
VINSB
4
AGND
1
PwrPad
CSLEW
5
VCP
6
VLRIN
8
VLR
9
VSTBYS
2
VSTBY
3
#RST
19
VBAT
16
SYNCH
13
EN
10
I2CID
20
PH2
23
VCMP2
26
ISHI2
29
ISLO1
32
CBS1
35
VGB1
38
HSD
17
PGDLY
18
SDA
11
SCL
12
LVWIN
14
#VBATW
15
VBATP
21
VGB2
22
VGT2
24
CBS2
25
VFB2
27
ISLO2
28
PGND
30
ISHI1
31
VFB1
33
VCMP1
34
VGT1
36
PH1
37
U1
GND
D1
C5
VBATW
C3
GND
2 1
+
C1
C30
C31
C14
C13
RST/
JP1
VBAT
PH1
PH2
TP1 TP2
TP4
VOUT1
VOUT2
STBY
VLR
R25
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
1 2
J1
1 2
J2
1 2
J5
1 2
J4
C25 C19
1 2
J3
2.5V 8V
5V
3.3V
VIN
HSD
GND
GND
1 2
J6
GND
GND
EN
C35
www.ti.com Schematics and Bill of Materials
4 Schematics and Bill of Materials
Figure 11. TPS43331EVM Schematic
9
SLVU349–October 2009 TPS43331EVM
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