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bq24010, bq24012
bq24013, bq24014, bq24018
SLUS530K – SEPTEMBER 2002 – REVISED JANUARY 2014
Single-Chip, Li-Ion Charge Management IC for
Handheld Applications ( bqTINY™)
Check for Samples: bq24010, bq24012, bq24013, bq24014, bq24018
FEATURES
1
•2 Small 3-mm × 3-mm MLP (QFN) Package
• Ideal for Low-Dropout Designs for Single-Cell
Li-Ion or Li-Pol 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
• Charge Termination by Minimum Current and
Time
• Pre-Charge Conditioning With Safety Timer
• Status Outputs for LED or System Interface
Indicates Charge and Fault Conditions
• Battery Insertion and Removal Detection
• Works With Regulated and Unregulated
Supplies
• Short-Circuit Protection
• Charge Voltage Options: 4.2 V and 4.36 V
APPLICATIONS
• Cellular Phones
• PDAs
• MP3 Players
• Digital Cameras
• Internet Appliances
DESCRIPTION
The bqTINY™ series are highly integrated Li-Ion and
Li-Pol linear charge management devices targeted at
space limited portable applications. The bqTINY™
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™ 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™ automatically
restarts the charge if the battery voltage falls below
an internal threshold. The bqTINY™ automatically
enters sleep mode when VCC supply is removed.
In addition to the standard features, different versions
of the bqTINY™ 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.
AC ADAPTER
bq24012DRC
1 IN
OUT 10
2 VCC BAT 9
3 STAT1 CE 8
4 STAT2 PG 7
5 VSS ISET 6
BATTERY
PACK+ PACK
PACK
+
SYSTEM
SYSTEM
INTERFACE
SET
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.
bqTINY is a trademark of Texas Instruments.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2002–2014, Texas Instruments Incorporated
