BQ24085_17 Datasheet, PDF (28/42 Pages) Texas Instruments – 750-mA Single-Chip Li-Ion and Li-Pol Charge Management IC With Thermal Regulation

bq24085, bq24086, bq24087, bq24088
SLUS784E – DECEMBER 2007 – REVISED DECEMBER 2015
Typical Applications (continued)
9.2.2 bq24085 Typical Application
Figure 21 illustrates the typical application circuit for bq24085.
bq24085
Input Power
C3
4.7 mF
R1
1.5 kW
R2
1.5 kW
RED
1
RTMR
2
49.9 kW
3
IN
TMR
STAT 1
OUT ¹⁰
9
BAT
8
CE
GREEN
4
STAT 2
5
Vss
7
PG
ISET ⁶
Li-Ion or Li-Pol
Battery Pack
Pack+
C2
1 mF
+
Pack-
RSET
1.13 kW
Charge Enable
and Power Good
Figure 21. bq24085 Application Schematic
9.2.2.1 Design Requirements
Follow the design requirements in bq24086 and bq24088 Typical Application.
9.2.3 bq24087 Typical Application
Figure 22 shows the typical application circuit for bq24087.
bq24087
Input Power
C3
4.7 mF
R1
1.5 kW
R2
1.5 kW
RED
1
RTMR
2
49.9 kW
3
IN
TMR
STAT 1
OUT ¹⁰
9
BAT
8
TE
GREEN
4
STAT 2
5
Vss
7
CE
ISET ⁶
Li-Ion or Li-Pol
Battery Pack
Pack+
C2
1 mF
+
Pack-
RSET
1.13 kW
Charge and
Termination Enable
Figure 22. bq24087 Application Schematic
9.2.3.1 Design Requirements
Follow the design requirements in bq24086 and bq24088 Typical Application.
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