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BQ24010 Datasheet

  • BQ24010

  • bqTINY(TM) 線性 1 節(jié) (4.2V) 鋰離子充電器,具有 1A FET、AC 存...

  • 480.00KB

  • 22頁

  • TI

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bq24010, bq24012, bq24013, bq24014
www.ti.com
SLUS530D 鈭?SEPTEMBER 2002 鈭?REVISED SEPTEMBER 2003
SINGLE CHIP, LI ION 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
D
D
Li鈭捍on or Li鈭扨ol Packs in Space Limited
Applications
Integrated Power FET and Current Sensor for
Up to 1-A Charge Applications
Reverse Leakage Protection Prevents Battery
Drainage
Integrated Current and Voltage Regulation
0.5% Voltage Regulation Accuracy
and Time
Precharge Conditioning With Safety Timer
Indicates Charge and Fault Conditions
DESCRIPTION
The bqTINYt series are highly integrated Li-Ion and
Li-Pol linear charge management devices targeted at
space limited portable applications. The bqTINYt
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 bqTINYt 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 bqTINYt automatically
re-starts the charge if the battery voltage falls below an
internal threshold. The bqTINYt automatically enters
sleep mode when V
CC
supply is removed.
In addition to the standard features, different versions
of the bqTINYt 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 input power; a TTL鈭抣evel
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.
D
D
D
Charge Termination by Minimum Current
D
D
Status Outputs for LED or System Interface
D
Battery Insertion and Removal Detection
D
Works With Regulated and Unregulated
D
Supplies
Short-Circuit Protection
APPLICATIONS
D
Cellular Phones
D
PDAs, MP3 Players
D
Digital Cameras
D
Internet Appliances
bq24012DRC
AC ADAPTER
1
2
IN
VCC
OUT 10
BAT
9
PACK+
BATTERY
PACK
+
SYSTEM
PACK鈭?/div>
SYSTEM
INTERFACE
3
4
5
STAT1
STAT2
VSS
CE 8
PG 7
RSET
ISET 6
UDG鈭?2106
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.
bqTINYis 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.
Copyright
錚?/div>
2002鈭?003, Texas Instruments Incorporated

BQ24010 PDF文件相關(guān)型號

BQ24012,BQ24013,BQ24014

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