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| BQ24160 Datasheet, PDF (8/44 Pages) Texas Instruments – 2.5A, Dual-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path | |||
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bq24160, bq24161
bq24163, bq24168
SLUSAO0A â NOVEMBER 2011 â REVISED MARCH 2012
BLOCK DIAGRAM
PMIDU PMIDI
www.ti.com
5.2-V Reference
DRV
IN
Q1
USB
IN IINLIM
USB IUSBLIM
IN VINDPM
USB VINDPM
VSYS(REG)
IBAT(REG)
5A
CbC Current
Limit
DC-DC CONVERTER
PWM LOGIC,
COMPENSATION
AND
BATTERY FET CONTROL
VBAT(REG)
DIE Temp
Regulation
CD
SDA
SCL
bq24160/3
D+
Dâ
bq24161/8
PSEL
VSUPPLY References
VUSB +
VUSBOVP
SUPPLY_SEL
Termination
Reference
OVP Comparators
VIN +
VINOVP
IBAT
Termination Comparator
Recharge Comparator
VUSB +
VBAT + VSLP
Sleep Comparators
VIN +
VBAT + VSLP
Start Recharge
Cycle
Enable Linear
Charge
VBATREG â 0.12V
VBAT
VSYSREG Comparator
VSYS
VMINSYS
Good Battery
Circuit
VBAT
VBATGD
Hi-Z Mode
I2C
Enable
IBATSHRT
VBATSC Comparator
VBAT
VBATSHRT
Supplement Comparator
Interface
VBAT
VBSUP
USB
Adapter
Detection
1.5A/USB100
VBOVP Comparator
VBAT
VBATOVP
Circuitry
DISABLE
VSYS
1C/0.5C
bq24160/2/3
TS COLD
TS COOL
STAT
INT
VBATREG â 0.14V
DISABLE
CHARGE
CONTROLLER
with Timers (160/1/3)
TS WARM
TS HOT
Q2
Q3
Q4
Hi-Z Mode
VDRV
BOOT
SW
PGND
SYS
BAT
BGATE
TS
8
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Copyright © 2011â2012, Texas Instruments Incorporated
Product Folder Link(s): bq24160 bq24161 bq24163 bq24168
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