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BQ24161YFFR Datasheet(PDF) 1 Page - Texas Instruments

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Part # BQ24161YFFR
Description  2.5A, Dual-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ24161YFFR Datasheet(HTML) 1 Page - Texas Instruments

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SW
SYS
BAT
DRV
PGND
PMIDU
USB
SDA
SCL
INT
BOOT
HOST
PMIDI
IN
VBUS
D+
D–
GND
AC Adapter or
Wireless Power
System
Load
TS
D+
D–
VSYS
TEMP PACK+
+
PACK–
bq24160, bq24161
bq24163, bq24168
www.ti.com
SLUSAO0A – NOVEMBER 2011 – REVISED MARCH 2012
2.5A, Dual-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path
Management and I2C Interface
Check for Samples: bq24160, bq24161, bq24163, bq24168
1
FEATURES
APPLICATIONS
2
High-Efficiency Switch Mode Charger with
Handheld Products
Separate Power Path Control
Portable Media Players
Make a GSM Call with a Deeply Discharged
Portable Equipment
Battery or No Battery
Netbook and Portable Internet Devices
Instantly Start Up System from a Deeply
Discharged Battery or No Battery
DESCRIPTION
Dual Input Charger
The bq24160/ bq24161/ bq24163/ bq24168 are highly
integrated single cell Li-Ion battery charger and
Highly Integrated Battery N-Channel MOSFET
system power path management devices targeted for
Controller for Power Path Management
space-limited, portable applications with high capacity
20 V input rating, with Overvoltage
batteries. The single cell charger has dual inputs
Protection (OVP)
which allow operation from either a USB port or
6.5 V for USB Input
higher-power input supply (i.e., AC adapter or
wireless charging input) for a versatile solution. The
10.5 V for IN input (bq24160/1/3)
two inputs are fully isolated from each other and are
6.5 V for IN input (bq24168)
easily selectable using the I2C interface.
Integrated FETs for Up to 2.5A Charge Rate
APPLICATION SCHEMATIC
Up to 2.5 A from IN Input (input current
limit)
Up to 1.5 A from USB Input (input
current limit)
Safe and Accurate Battery Management
Functions
0.5% Battery Regulation Accuracy
10% Charge Current Accuracy
Charge Parameters Programmed Using I2C™
Interface
Charge Voltage, Current, Termination
Threshold, Input Current Limit, VINDPM
Threshold
Voltage Based, NTC Monitoring Input
JEITA Compatible (bq24160/3/8)
Thermal Regulation Protection for Output
Current Control
Low Battery Leakage Current, BAT Short-
Circuit Protection
Soft-Start Feature to Reduce Inrush Current
Thermal Shutdown and Protection
Available in small 2.8mm × 2.8mm 49-ball
WCSP or 4mm × 4mm QFN-24 Packages
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
I2C is a trademark of NXP Semiconductor.
PRODUCTION DATA information is current as of publication date.
Copyright © 2011–2012, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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