Datasheet
CELL+
CELL-
WAKE
COUT
VM
DOUT
VREG
PACK+
PACK-
PACK+/LOAD+
PACK-/LOAD-
SDA
SCL
GND
CELL+
CELL-
1
DOUT
2
COUT
3
VM
4
BAT
5
VREG
6
VSS
7
SRP
8
SRN
9
TS
10
SDA
11
SCL
12
HDQ
13
PWPD
U1
BQ28550DRZ
Q1-A
Q1-B
IRF8852TRPBF
1
2
3
TB1
1
2
3
TB2
S1
R3
100
R2
100
C3
0.1uF
C4
0.1uF
R4
3.01M
R5
3.01M
R6
510
C5
0.1uF
C6
1uF
C7
0.47uF
C8
0.1uF
RT1
10K
R7
3.3K
1
2
J3
R8
3.3K
1
2
3
4
J1
R9
100
R10
100
R11
100
R12
100
D1
MM3Z5V6C
D2
R13
1K
TP1
TP2
TP5
TP6
TP7
TP8
TP4
TP3
1
2
J4
R14
3.3K
1
2
J2
C1
0.1uF
C2
0.1uF
R1
0.005
bq28550EVM-001 Circuit Module Schematic
www.ti.com
Figure 5. Schematic
8
bq28550 Single Cell Li-Ion Battery Gas Gauge and Protection EVM SLUU520– July 2011
Submit Documentation Feedback
Copyright © 2011, Texas Instruments Incorporated