Datasheet > BQ24081_12

BQ24081_12

更新时间： 2024-11-15 12:27:35

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
25页	1598K
描述
1-A, SINGLE-CHIP, LI-ION AND LI-POL CHARGER IC

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BQ24081_12 数据手册

bq24080

bq24081

www.ti.com

SLUS698E –MARCH 2006–REVISED AUGUST 2011

1-A, SINGLE-CHIP, LI-ION AND LI-POL CHARGER IC

Check for Samples: bq24080, bq24081

FEATURES

•

Internet Appliances

Smartphones

•

Integrated Power FET and Current Sensor for

Up to 1-A Charge Applications From AC

Adapter

DESCRIPTION

The bq24080 and bq24081 are highly integrated and

flexible Li-Ion linear charge devices targeted at

space-limited charger applications. They offer an

integrated power FET and current sensor,

high-accuracy current and voltage regulation, charge

status, and charge termination, in a single monolithic

device. An external resistor sets the magnitude of the

charge current.

•

Precharge Conditioning With Safety Timer

Charge and Power-Good Status Output

Automatic Sleep Mode for Low Power

Consumption

•

Integrated Charge-Current Monitor

Fixed 7-Hour Fast Charge Safety Timer

Ideal for Low-Dropout Charger Designs for

Single-Cell Li-Ion or Li-Pol Packs in

Space-Limited Portable Applications

The device 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 for

charge termination. The device automatically restarts

the charge if the battery voltage falls below an

internal threshold. The device automatically enters

sleep mode when the ac adapter is removed.

•

Small 3-mm × 3-mm SON Package

APPLICATIONS

•

PDAs, MP3 Players

Digital Cameras

Adapter

PACK+

C₂

Battery Pack

VDC

bq24080

OUT 10

C₁

0.1 mF

0.1 µF

GND

System

PACK–

System

Interface

STAT1

STAT2 VBSEL

V_SSISET

R_SET

1.13 kW

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.

PowerPAD is a trademark of Texas Instruments.

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.

12 3 4 5 6 7...25

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与BQ24081_12相关器件

型号	品牌	获取价格	描述	数据表
bq24081DRCR	TI	获取价格	1-A, SINGLE-CHIP, LI-ION AND LI-POL CHARGER IC
bq24081DRCT	TI	获取价格	1-A, SINGLE-CHIP, LI-ION AND LI-POL CHARGER IC
BQ24081DRCTG4	TI	获取价格	具有计时器使能端和温度感应功能单节 1A 锂离子电池充电器 \| DRC \| 10 \| -4
BQ24081EVM	TI	获取价格	bq24081EVM 1-A Single-Chip Li-Ion and Li-Pol Charge Management IC Evaluation Module
BQ24081-Q1	TI	获取价格	单节 1A 单芯片锂离子和锂聚合物汽车充电器
BQ24081QDRCRQ1	TI	获取价格	单节 1A 单芯片锂离子和锂聚合物汽车充电器 \| DRC \| 10 \| -40 to 12
BQ24081QDRCTQ1	TI	获取价格	单节 1A 单芯片锂离子和锂聚合物汽车充电器 \| DRC \| 10 \| -40 to 12
BQ24083	TI	获取价格	1-A, SINGLE-CHIP, LI-ION AND LI-POL CHARGER IC
BQ24083DRCR	TI	获取价格	1-A, SINGLE-CHIP, LI-ION AND LI-POL CHARGER IC
BQ24083DRCRG4	TI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO10, 3 X 3 MM, GREEN, PLASTIC, SON-10

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