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BQ24013 Datasheet(PDF) 1 Page - Texas Instruments

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Part # BQ24013
Description  SINGLE-CHIP, LI-ION CHARGE MANAGEMENT IC FOR HANDHELD APPLICATIONS (bq TINY)
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ24013 Datasheet(HTML) 1 Page - Texas Instruments

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bq24010,bq24012, bq24013, bq24014
SLUS530F − SEPTEMBER 2002 − REVISED AUGUST 2005
SINGLECHIP, LIION CHARGE MANAGEMENT IC FOR
HANDHELD APPLICATIONS (bqTINYt)
FEATURES
D Small 3 mm × 3 mm MLP (QFN) Package
D Ideal for Low-Dropout Designs for Single-Cell
Li−Ion or Li−Pol Packs in Space Limited
Applications
D Integrated Power FET and Current Sensor for
Up to 1-A Charge Applications
D Reverse Leakage Protection Prevents Battery
Drainage
D Integrated Current and Voltage Regulation
D ± 0.5% Voltage Regulation Accuracy
D Charge Termination by Minimum Current
and Time
D Precharge Conditioning With Safety Timer
D Status Outputs for LED or System Interface
Indicates Charge and Fault Conditions
D Battery Insertion and Removal Detection
D Works With Regulated and Unregulated
Supplies
D Short-Circuit Protection
APPLICATIONS
D Cellular Phones
D PDAs, MP3 Players
D Digital Cameras
D Internet Appliances
DESCRIPTION
The bqTINY
t series are highly integrated Li-Ion and
Li-Pol linear charge management devices targeted at
space limited portable applications. The bqTINY
t
series offer integrated powerFET and current sensor,
reverse blocking protection, high accuracy current and
voltage
regulation,
charge
status,
and
charge
termination, in a small package.
The bqTINY
t charges the battery in three phases:
conditioning, constant current, and constant voltage.
Charge is terminated based on minimum current. An
internal charge timer provides a backup safety feature
for charge termination. The bqTINY
t automatically
re-starts the charge if the battery voltage falls below an
internal threshold. The bqTINY
t automatically enters
sleep mode when VCC supply is removed.
In addition to the standard features, different versions
of the bqTINY
t offer a multitude of additional features.
These include temperature sensing input for detecting
hot or cold battery packs; power good (PG) output
indicating the presence of valid input power; a
TTL−level charge-enable input (CE) used to disable or
enable the charge process; and a TTL-level timer and
termination enable (TTE) input used to disable or
enable the fast-charge timer and charge termination.
UDG−02106
RSET
1
2
3
4
10
9
8
5
IN
VCC
OUT
VSS
STAT1
STAT2
7
6
BAT
PG
ISET
bq24012DRC
+
BATTERY
PACK
PACK+
PACK−
SYSTEM
SYSTEM
INTERFACE
CE
AC ADAPTER
bqTINY is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
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.
www.ti.com
Copyright
 2002−2005, Texas Instruments Incorporated


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