Datasheet > BQ27411-G1

BQ27411-G1

更新时间： 2024-10-01 12:56:15

品牌	Logo	应用领域
德州仪器 - TI		电池仪表
页数	文件大小	规格书
20页	998K
描述
Single Cell Li-Ion Battery Fuel Gauge for Battery Pack Integration

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中文翻译

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数据手册

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BQ27411-G1 数据手册

bq27411-G1

www.ti.com

SLUSBN7 –JANUARY 2014

Single Cell Li-Ion Battery Fuel Gauge for Battery Pack Integration

Check for Samples: bq27411-G1

FEATURES

APPLICATIONS

•

Single Series Cell Li-Ion Battery Fuel Gauge

•

Smartphones, Feature phones and Tablets

Digital Still and Video Cameras

Handheld Terminals

–

Resides in Battery Pack

Low-Value external Sense Resistor

(10mΩ typical)

MP3 or Multimedia Players

–

One Time Programmable (OTP)

configuration Non-Volatile Memory (NVM)

DESCRIPTION

The Texas Instruments bq27411-G1 is an easy to

configure fuel gauging solution for single series cell

Li-Ion battery packs. The device requires minimal

configuration and uses One Time Programmable

(OTP) Non-Volatile Memory (NVM) to avoid an

initialization download by the system processor.

Powered directly from battery with

integrated LDO

400-kHz I²C serial interface

–

Internal temperature sensor, or

Host reported temperature

•

Easy to configure fuel gauging based on

patented Impedance Track™ technology

The bq27411-G1 uses the patented Impedance

Track™ algorithm for fuel gauging, and provides

information such as remaining battery capacity

(mAh), state-of-charge (%), and battery voltage (mV).

–

Reports Remaining Capacity and State of

Charge (SOC) with Smoothing Filter

–

Automatically adjusts for battery aging,

self-discharge, temperature, and rate

changes

The small 12-pin 2.5 mm × 4 mm SON package is

ideal for space constrained applications.

–

Battery State of Health (aging) estimation

•

Small 12-pin 2.5 mm × 4 mm SON Package

TYPICAL APPLICATION

Battery Pack

PACKP

PROG

bq27411

SRN

OTP Couloumb

Data

Counter

1.0 Mꢀꢀ

10 mꢀ,

Current

ADC

I-Wake

1% shunt

I C Bus

SRP

BAT

VDD

SDA

SCL

SDA

SCL

Voltage

ADC

CPU

Li-Ion

Cell

TEST

1.8V

LDO

Die Temp

Sensor

1.0 Mꢀꢀ

VSS

0.47uF

BAT

Protection IC

FET FET

PACKN

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.

Impedance Track 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...20

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与BQ27411-G1相关器件

型号	品牌	获取价格	描述	数据表
BQ27421-G1	TI	获取价格	System-Side Impedance Trackâ¢ Fuel Gauge Wit
BQ27421-G1_16	TI	获取价格	System-Side Impedance Track Fuel Gauge With Integrated Sense Resistor
bq27421YZFR-G1A	TI	获取价格	System-Side Impedance Trackâ¢ Fuel Gauge Wit
bq27421YZFR-G1B	TI	获取价格	System-Side Impedance Trackâ¢ Fuel Gauge Wit
BQ27421YZFR-G1D	TI	获取价格	暂无描述
bq27421YZFT-G1A	TI	获取价格	System-Side Impedance Trackâ¢ Fuel Gauge Wit
bq27421YZFT-G1B	TI	获取价格	System-Side Impedance Trackâ¢ Fuel Gauge Wit
BQ27421YZFT-G1D	TI	获取价格	System-side(tm) fuel gauge with integrated Sense Resistor \| battery gas gauge 9-DSBGA -40
BQ27425-G1	TI	获取价格	System-Side Impedance Trackâ¢ Fuel Gauge Wit
BQ27425-G2A	TI	获取价格	适用于钴酸锂电池的系统侧 Impedance Track™ 电量监测计

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