BQ24050 Datasheet, PDF (9/37 Pages) Texas Instruments – 800mA Single Cell Li-Ion Battery Charger With Automatic Adaptor/USB Detection

bq24050
bq24052
bq24055
www.ti.com.................................................................................................................................... SLUS940A – SEPTEMBER 2009 – REVISED SEPTEMBER 2009
Typical Application Circuit: bq24050/2
I_{OUT_FAST_CHG} = 540mA; I_{OUT_PRE_CHG} = 108mA; I_{OUT_TERM} = 54mA
Adaptor
DC+
GND
bq24050/2
1 IN
2 ISET
OUT ¹⁰
1.5kW
TS ⁹
1kW
1mF
3 VSS
CHG 8
OR
4 PRETERM _{ISET 2} 7
Battery Pack
+
System Load
1mF
USB Port
VBUS
GND
D+
D-
5 _D+
2kW
D- ⁶
Disconnected after Detection
VDD
TTDM
ISET/100/500mA
GND
D+
D-
Host
Typical Application Circuit: bq24055
I_{OUT_FAST_CHG} = 540mA; I_{OUT_PRE_CHG} = 108mA; I_{OUT_TERM} = 54mA
Adaptor
DC+
GND
OR
USB Port
VBUS
GND
D+
D-
1kW
1mF
2kW
bq 24055
1 IN
2 _ISET
OUT ¹²
1.5kW
TS ¹¹
3 _VSS
CHG 10
4 _{PRETERM ISET2} 9
5 _D+
D- ⁸
6 _PG
NC ⁷
Battery Pack
+
Disconnected after Detection
System Load
1mF
VDD
TTDM
ISET/100/500 mA
GND
D+
D-
Host
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Product Folder Link(s): bq24050 bq24052 bq24055