BQ2150H Datasheet, PDF (3/5 Pages) Texas Instruments – Li-Ion Power Gauge™ Module

bq2150H Schematic
Preliminary bq2150H
R16
330
VCC
R23 R19 R17 R14 R12
100K
100K
100K
100K
100K
D1
GREEN
D2
C1
VCC
R11
100
2 D9
2
2
BZX84C5V1
VCC _Q1 ²
2N7002
2
D6
R21
330
GREEN
D3
GREEN
D4
R22
GREEN
D5
330
CFC
P9
1
GREEN
R24
100K
R20
100K
0.1UF
U1
1
2
LCOM
SEG1
VCC
REF
16
15
3 _{SEG2 PSTAT} 14
4
5
SEG3
SEG4
HDQ
RBI
13
12
6
7
8
SEG5
CFC
VSS
SB
DISP
SR
11
10
9
BQ2050H
C2
R18
100K
R15
100K
R13
100K
0.1UF
R2 ^BAV99
12
1
R6
1%
1
C4
0.1UF
R7
1%
TABLE 1
# OF CELLS R2 R6 R7
2
200K 698K 100K
3
300K 1.1M 100K
4
499K 1.5M 100K
5
1M 1.3M 69.8K
1 See Table 1 for resistor values.
VCC _R5
S1
NOT_USED
3
4
MOMENTARY
R4
2
20K
C3
0.1UF
R8 R9
3
3
For 1 cell configuration install R11 and R9,
2 _{for greater than 1 cell configuration install Q1, D6, and R2.}
3 ^{Sense resistor value depends on application.}
4
For PSTAT function, install R25 and D10.
If not using PSTAT, install 0 jumper at R26.
R3
1
2
100K
D10
BAT+
1
P3
SD
1
P4
4 ^BAV99
R25
100
D7
4
PSTAT
1
P2
4
R26
BAV99
R1
1
2
HDQ
1
P1
100
D8
2
3
1 1 ^R27 2 RBI
1
P5
BAV99
10K
C5
1
2
1UF
R10
3
BAT-
1
P8
PACK-
1
P7
GND
1
P6
2150H/9-16-97/A
3