Datasheet

2
VSS
1
1
1P
4P
PACK -
SYS PRES
SMBD
3P
2P
2
SMBC
PACK+
1N
Wake
Not installed.
For Thumbus-SMB
IC ground should be connected to the 1N cell tab.
C1
0.1uF
C3
0.1uF
R8
1K
R6
1K
R5
1K
R11
100
TP5
BAT
RT2
10K
TP8
FUSE
R32
50K
C21
0.1uF
C19 1.0uF
TP10
VCC
TP1
DSG
D3
1SS355
D2
MM3Z5V6C
R18
100
C22
0.1nF
R22
200
R20
3M
R25
1k
R26
100
C25
0.1uF
R21
10k
R1
100
TP2
GND
R3
100
TP4
3.3V
R9
1K
R7
1K
R12
100
R13
50K
R14
220K
R17
5.1K
C18 1.0uF
R15
5.1K
C16
0.1uF
R23
200
C17
0.1uF
R27
100
C24
0.1uF
R30
10K
C4
0.1uF
C2
0.1uF
1
2
TB1
RT1
10K
TP7
SRN
TP6
SRP
C12 0.1uF
C15
0.1uF
D1
1SS355
R31
0
C11
0.1uF
C6
0.1uF
TP11
FUSEPIN
TP9
CHG
R16
3M
R29
1M
C23
0.1nF
1
2
3
J3
1
2
J1
C20
1.0uF
Q4
2N7002K
TP3
2.5V
TP12
VOUT
R4
100
R2
100
1
2
3
TB2
C9
1.0uF
C13
0.1uF
1
OUT
2
VDD
3
CD
4
VD4
5
GND
6
VC3
7
VC2
8
VC1
U1
BQ29412DCT
C8
0.1uF
C7
0.1uF
C5
0.1uF
C10
0.22uF
1
2
3
F1
C14
0.1uF
Q2
Si7114DN
Q5
FDS4435BZ
R28
300
1W
R24 10K
A
A'
B
B'
SW1
R19
5.1K
1
2
3
4
J2
R10
.010 75ppm
Q1
FDN339AN
Q3
Si7114DN
1
VBUS
2
D-
3
D+
4
ID
5
GND
6
CASE
7
CASE
J4
1
CHG
2
BAT
3
VC1
4
VC2
5
VC3
6
VC4
7
VSS
8
TS1
9
SRP
10
SRN
11
TS2
12
PRES
13
SMBD
14
NC
15
SMBC
16
NC
17
NC
18
NC
19
NC
20
NC
21
RBI
22
REG25
23
VSS
24
REG33
25
TEST
26
FUSE
27
VCC
28
PCHG
29
PACK
30
DSG
U2
BQ3055DBT
R33
10k
4P
REG33
SMBC
SMBD
4P
REG25
REG33
REG25
I2C_VOUT
PACK+
I2C_VOUT
SMBC
SMBD
PACK+
Circuit Module Physical Layouts and Bill of Materials www.ti.com
Figure 8. Schematic
8
bq3055EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management SLUU824– December 2011
Solution EVM
Submit Documentation Feedback
Copyright © 2011, Texas Instruments Incorporated