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BQ24161B Datasheet(PDF) 1 Page - Texas Instruments

Part # BQ24161B
Description  bq2416xx 2.5A, Dual-Input, Single-Cell Switched-Mode Li-Ion Battery Charger with Power Path Management and I2C Interface
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ24161B 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–
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
bq24160, bq24160A, bq24161
bq24161B, bq24163, bq24168
SLUSAO0F – NOVEMBER 2011 – REVISED JULY 2014
bq2416xx 2.5A, Dual-Input, Single-Cell Switched-Mode Li-Ion Battery Charger with Power
Path Management and I2C Interface
1 Features
2 Applications
1
High-Efficiency Switched-Mode Charger with
Handheld Products
Separate Power Path Control
Portable Media Players
Instantly Start Up System from a Deeply
Portable Equipment
Discharged Battery or No Battery
Netbook and Portable Internet Devices
Compatible with MaxLife™ Technology for Faster
Charging When Used in Conjunction With
3 Description
bq27530
The
bq24160,
bq24160A,
bq24161,
bq24161B,
bq24163, and bq24168 are highly integrated single-
Dual Input, Integrated FET Charger for up to 2.5-A
cell Li-Ion battery charger and system power path
Charging
management
devices
targeted
for
space-limited,
20-V input rating, with Overvoltage Protection
portable applications with high-capacity batteries. The
(OVP)
single-cell charger has dual inputs which allow
6.5 V for USB Input up to 1.5 A
operation from either a USB port or a higher-power
input supply (that is, AC adapter or wireless charging
10.5 V for IN input (bq24160, bq24160A,
input) for a versatile solution. The two inputs are fully
bq24161, bq24163) up to 2.5 A
isolated from each other and are easily selectable
6.5 V for IN input (bq24168) up to 2.5 A
using the I2C interface.
Safe and Accurate Battery-Management
The power path management feature allows the
Functions
bq2416xx to power the system from a high-efficiency
1% Battery Regulation Accuracy
DC-DC
converter
while
simultaneously
and
10% Charge Current Accuracy
independently charging the battery. The power-path
management architecture enables the system to run
Charge Parameters Programmed Using I2C
with a defective or absent battery pack and enables
Interface
instant system turnon even with a totally discharged
Voltage-Based, NTC Monitoring Input
battery or no battery.
JEITA Compatible (bq24160, bq24160A,
Device Information
bq24161B, bq24163, bq24168)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
Available in small 2.8-mm × 2.8-mm 49-ball
VQFN (24)
4.00 mm × 4.00 mm
WCSP or 4-mm × 4-mm VQFN-24 Packages
bq2416xx
DSBGA (49)
2.80 mm × 2.80 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
4 Application Schematic
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


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