BQ25050 Datasheet, PDF (8/28 Pages) Texas Instruments – 1A, Single-Input, Single Cell Li-Ion Battery Charger with 50-mA LDO, External Power Path

bq25050
SLUSA33 – MARCH 2010
APPLICATION CIRCUITS
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USB or Adaptor
VBUS
D+
D-
GND
C1
0.1uF
R1
1 kΩ
1 _IN
bq25050
CHG ⁸
OUT 10
7 _CTRL
2 IMON
BGATE 9
BAT 6
TS ⁵
3 _VSS
LDO ⁴
VGPIO
R2
100kΩ
C2
1uF
VGPIO
STATUS
VDD
QBAT
HOST
TEMP
PACK+
C4
0.1uF
C3
0.1uF
PACK -
VLDO
ISENSE
GPIO
Figure 1. Typical Application Circuit Using the External Power Path Control Feature
USB or Adaptor
VBUS
D+
D-
GND
C1
0.1uF
R1
1 kΩ
1 _IN
bq25050
CHG ⁸
OUT ¹⁰
7 _CTRL
2 IMON
BGATE 9
BAT 6
TS ⁵
3 _VSS
LDO ⁴
VGPIO
R2
100kΩ
C2
1uF
TEMP
PACK+
C3
0.1uF
PACK -
VGPIO
STATUS
VDD
HOST
VLDO
ISENSE
GPIO
Figure 2. Typical Application Circuit Disabling the External Power Path Control Feature
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