BQ24013 Datasheet, PDF (9/21 Pages) Texas Instruments – SINGLE-CHIP, LI-ION CHARGE MANAGEMENT IC FOR HANDHELD APPLICATIONS (bq TINY)

bq24010, bq24012, bq24013, bq24014
www.ti.com
SLUS530F − SEPTEMBER 2002 − REVISED AUGUST 2005
FUNCTIONAL DESCRIPTION
The bqTINYt supports a precision Li-Ion, Li-Pol charging system suitable for single-cells . Figure 2 shows a typical charge
profile, application circuit and Figure 5 shows an operational flow chart.
DC +
0.47 µF
DC −
bq24010DRC
1 IN
OUT 10
2 VCC BAT 9
CHARGE
3 STAT1 TS 8
PACK+
VCC
PACK−
0.1 µF
RT1
BATTERY
PACK
+
DONE
4 STAT2 PG 7
5 VSS ISET 6
POWERGOOD
RT2
RSET
UDG−02109
Figure 3. Typical Application Circuit
USB PORT
D+
D−
VBUS
GND
0.47 µF
bq24013DRC
1 IN
OUT 10
2 VCC BAT 9
3 STAT1 TTE 8
4 STAT2 CE 7
5 VSS ISET 6
BATTERY
PACK+ ^PACK
+
PACK−
0.1 µF
SYSTEM
&
USB
CONTROLLER
2.26 kΩ
9.09 kΩ
SI1032x
100 mA / 500 mA
Figure 4. USB Charger Circuit
UDG−02127
9