BQ2023_16 Datasheet, PDF (7/32 Pages) Texas Instruments – SINGLE-WIRE ADVANCED BATTERY MONITOR IC

96.0
95.5
95.0
94.5
94.0
93.5
93.0
92.5
92.0
–20
Not Recommended for New Designs
bq2023
SINGLEĆWIRE ADVANCED BATTERY MONITOR IC
FOR CELLULAR AND PDA APPLICATIONS
SLUS480B – MAY 2001
TYPICAL CHARACTERISTICS
VFC GAIN RESPONSE
vs
FREE-AIR TEMPERATURE
VCC = 2.4 V
VCC = 3.6 V
VCC = 4.2 V
–10
0
10
20
30
40
50
60
70
TA – Free-Air Temperature – °C
Figure 6
APPLICATION INFORMATION
BAT+
DATA
VCC
C4
0.1 µF
R5
100 Ω
R6
100 Ω
D2
5.6 V
C3
0.1 µF
U1
1 _RBI
2 _VCC
3 _VSS
4 _SDQ
STAT ⁸
SRP ⁷
SRN ⁶
PDET ⁵
bq2023PW
R4
50 kΩ
C2
0.1 µF
R2
100 kΩ
C1
0.1 µF
R1
0.02 Ω
STAT
BAT–
R3
100 kΩ
PACK–
PDET
Figure 7. Typical Application Diagram for Single-Cell Li-Ion or Li–Pol Pack
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