SET

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

bq24010, bq24012

bq24013, bq24014, bq24018

www.ti.com

SLUS530K – SEPTEMBER 2002 – REVISED JANUARY 2014

Single-Chip, Li-Ion Charge Management IC for

Handheld Applications ( bqTINY™)

1

FEATURES

DESCRIPTION

2

•

Small 3-mm × 3-mm MLP (QFN) Package

The bqTINY™ series are highly integrated Li-Ion and

•

Ideal for Low-Dropout Designs for Single-Cell

Li-Pol linear charge management devices targeted at

Li-Ion or Li-Pol Packs in Space Limited

space limited portable applications. The bqTINY™

Applications

series offer integrated powerFET and current sensor,

•

Integrated Power FET and Current Sensor for

reverse blocking protection, high accuracy current

and voltage regulation, charge status, and charge

Up to 1-A Charge Applications

termination, in a small package.

•

Reverse Leakage Protection Prevents Battery

Drainage

The bqTINY™ charges the battery in three phases:

conditioning, constant current, and constant voltage.

•

Integrated Current and Voltage Regulation

Charge is terminated based on minimum current. An

•

±0.5% Voltage Regulation Accuracy

internal charge timer provides a backup safety feature

•

Charge Termination by Minimum Current and

for charge termination. The bqTINY™ automatically

Time

restarts the charge if the battery voltage falls below

an internal threshold. The bqTINY™ automatically

•

Pre-Charge Conditioning With Safety Timer

•

Status Outputs for LED or System Interface

In addition to the standard features, different versions

Indicates Charge and Fault Conditions

of the bqTINY™ offer a multitude of additional

•

Battery Insertion and Removal Detection

features. These include temperature sensing input for

•

Works With Regulated and Unregulated

detecting hot or cold battery packs; power good (PG)

Supplies

output indicating the presence of valid input power; a

TTL-level charge-enable input (CE) used to disable or

•

Short-Circuit Protection

enable the charge process; and a TTL-level timer and

•

Charge Voltage Options: 4.2 V and 4.36 V

termination enable (TTE) input used to disable or

enable the fast-charge timer and charge termination.

APPLICATIONS

•

Cellular Phones

•

PDAs

•

MP3 Players

•

Digital Cameras

•

Internet Appliances

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

bqTINY is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2002–2014, 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.