BQ24158_12 Datasheet, PDF (8/45 Pages) Texas Instruments – Fully Integrated Switch-Mode One-Cell Li-Ion Charger

bq24153A, bq24156A
bq24158, bq24159
SLUSAB0A – OCTOBER 2010 – REVISED FEBRUARY 2012
TYPICAL APPLICATION CIRCUITS
V_BUS = 5 V, I_CHARGE = 1250 mA, VBAT = 3.5 V to 4.44 V (Adjustable).
V_BUS
C_IN
1 mF
VBUS
SW
U1
bq24153A/8
VAUX
PMID
CIN ^{4.7 mF}
10 kW
10 kW 10 kW
SCL
SDA
STAT
10 kW
I2C BUS
OTG
10 kW
HOST
CD
10 kW
SCL
SDA
STAT
OTG
CD
BOOT
PGND
CSIN
CSOUT
VREF
L_O 1.0 mH
R_SNS
C_BOOT
10 nF
C_CSIN
0.1 mF
C_VREF
1 mF
C_CSOUT
0.1 mF
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C_O1
22 mF
V_BAT
C_O2
33 mF
PACK+
+
PACK–
Figure 2. I²C Controlled 1-Cell USB Charger Application Circuit with USB OTG Support.
vertical spacer
vertical spacer
vertical spacer
VBUS = 5 V, I_CHARGE = 1550 mA, V_bat = 3.5 V to 4.44 V (adjustable).
V_BUS
C_IN
1 mF
VBUS
SW
U1
bq24156A/9
VAUX
PMID
CIN ^{4.7 mF}
10 kW
SCL
SDA
STAT
10 kW 10 kW
10 kW
I2C BUS
SLRST
10 kW
HOST
CD
10 kW
SCL
SDA
STAT
SLRST
CD
BOOT
PGND
CSIN
CSOUT
VREF
L_O 1.0 mH
R_SNS
C_BOOT
10 nF
C_CSIN
0.1 mF
C_VREF
1 mF
C_CSOUT
0.1 mF
C_O1
22 mF
V_BAT
C_O2
33 mF
PACK+
+
PACK–
Figure 3. I²C Controlled 1-Cell Charger Application Circuit with External Safety Limit Register Control.
8
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