Datasheet > BQ27000_06

BQ27000_06

更新时间： 2024-01-11 06:32:08

品牌	Logo	应用领域
德州仪器 - TI		电池便携式
页数	文件大小	规格书
31页	558K
描述
SINGLE CELL Li-Ion AND Li-Pol BATTERY GAS GAUGE IC FOR PORTABLE APPLICATIONS (bqJUNIOR)

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BQ27000_06 数据手册

bq27000, bq27200

www.ti.com

SLUS556D–SEPTEMBER 2004–REVISED MARCH 2006

SINGLE CELL Li-Ion AND Li-Pol BATTERY GAS GAUGE IC FOR PORTABLE

APPLICATIONS (bqJUNIOR)

FEATURES

•

APPLICATIONS

HDQ (bq27000) or I²C (bq27200)

Communication

•

PDA

Smart Phones

MP3 Players

Digital Cameras

Internet Appliances

Handheld Devices

•

Reports Accurate Time-to-Empty With

Measured Load and Historical Maximum and

Standby Loads

•

Reports Temperature, Voltage, and Current

High Accuracy Charge and Discharge Current

Integration with Automatic Offset Calibration

DESCRIPTION

•

Requires No User Calibration

The bqJUNIOR™ series are highly accurate

stand-alone single-cell Li-Ion and Li-Pol battery

capacity monitoring and reporting devices targeted at

space-limited, portable applications. The IC monitors

a voltage drop across a small current sense resistor

connected in series with the battery to determine

charge and discharge activity of the battery.

Programmable Input/Output Port

Internal User EEPROM Configuration Memory

Automatic Capacity Reduction With Age

Stable Oscillator Without External

Components

Compensations

self-discharge, and discharge rate are applied to the

capacity measurments to provide available

for

battery

temperature,

•

Dynamic End-of-Discharge Detection Delay to

Allow Use in a High-Dynamic Load

Environment

time-to-empty information across a wide range of

operating conditions. Battery capacity is automatically

recalibrated, or learned, in the course of a discharge

cycle from full to empty. Internal registers include

current, capacity, time-to-empty, state-of-charge, cell

temperature and voltage, status, and more.

•

Automatic Sleep Mode When Communication

Lines are Low

Available in a Small 3 mm x 4 mm QFN

Package

Five Low-Power Operating Modes

– Active: < 90 µA

The bqJUNIOR can operate directly from single-cell

Li-Ion and Li-Pol batteries and communicates to the

system over a HDQ one-wire or I²C serial interface.

– Sleep: < 2.5 µA

– Ship: < 2 µA (bq27000 only)

– Hibernate: < 1.5 µA

– Data Retention: < 20 nA

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.

bqJUNIOR 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...31

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与BQ27000_06相关器件

型号	品牌	获取价格	描述	数据表
BQ27000_07	TI	获取价格	SINGLE CELL Li-Ion AND Li-Pol BATTERY GAS GAUGE IC FOR PORTABLE APPLICATIONS (bqJUNIOR)
BQ27000DRKR	TI	获取价格	SINGLE CELL Li-Ion AND Li-Pol BATTERY GAS GAUGE IC FOR PORTABLE APPLICATIONS (bqJUNIOR)
BQ27000DRKRG4	TI	获取价格	SINGLE CELL Li-Ion AND Li-Pol BATTERY GAS GAUGE IC FOR PORTABLE APPLICATIONS (bqJUNIOR)
BQ27000EVM	TI	获取价格	bq27000 Single Cell Battery Fuel Gauge Evaluation Module
BQ27000PW	TI	获取价格	SINGLE-CELL LHON AND LI-POL BATTERY GAS GAUGE IC FOR PORTABLE APPLICATIONS
BQ27000PWR	TI	获取价格	SPECIALTY ANALOG CIRCUIT, PDSO8, PLASTIC, TSSOP-8
BQ27010	TI	获取价格	SINGLE-CELL LHON AND LI-POL BATTERY GAS GAUGE IC FOR PORTABLE APPLICATIONS
BQ27010_13	TI	获取价格	Li-Ion AND Li-Pol BATTERY GAS GAUGE IC FOR PORTABLE APPLICATIONS
BQ27010_17	TI	获取价格	Li-Ion AND Li-Pol BATTERY GAS GAUGE IC FOR PORTABLE APPLICATIONS (bqJUNIOR)
BQ27010DRKR	TI	获取价格	Li-Ion AND Li-Pol BATTERY GAS GAUGE IC FOR PORTABLE APPLICATIONS (bqJUNIOR)

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