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| BQ24165_14 Datasheet, PDF (6/38 Pages) Texas Instruments – 2.5A, Dual-Input, Single Cell Switch Mode Li-Ion Battery Charger with Power Path Management | |||
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bq24165
bq24166
bq24167
SLUSAP4B â DECEMBER 2011 â REVISED MARCH 2013
BLOCK DIAGRAM
PMIDU PMIDI
www.ti.com
5.2-V Reference
DRV
IN
ILIM
Q1
USB
VDPM
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
IUSB1
IUSB2
IUSB3
bq24166/7
CE
CHG
PG
VSUPPLY References
VUSB +
VUSBOVP
SUPPLY_SEL
OVP Comparators
VIN +
VINOVP
VUSB +
VBAT + VSLP
Sleep Comparators
VIN +
VBAT + VSLP
Start Recharge
Cycle
Enable Linear
Charge
Good Battery
Circuit
USB
Input
Current
Limit
Decode
Enable
IBATSHRT
10% of ICHARGE
IBAT
Termination Comparator
Recharge Comparator
VBATREG â 0.12V
VBAT
VSYSREG Comparator
VSYS
VMINSYS
VBAT
VBATGD
VBATSC Comparator
VBAT
VBATSHRT
Supplement Comparator
VBAT
VBOVP Comparator
VBAT
VBATOVP
VBSUP
VSYS
DISABLE
1C/0.5C
bq24167
bq24166/7
TS COLD
TS COOL
4.2V/4.06V
DISABLE
CHARGE
CONTROLLER
with Timer
TS WARM
TS HOT
Q2
Q3
Q4
Hi-Z Mode
VDRV
BOOT
SW
PGND
SYS
ISET
BAT
BGATE
TS
CE1
CE2
6
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Copyright © 2011â2013, Texas Instruments Incorporated
Product Folder Links: bq24165 bq24166 bq24167
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