DS2782E+TR

更新时间： 2024-11-02 06:54:39

品牌	Logo	应用领域
美信 - MAXIM		仪表
页数	文件大小	规格书
28页	437K
描述
Stand-Alone Fuel Gauge IC

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数据手册

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DS2782E+TR 数据手册

19-4635; 5/09

DS2782

Stand-Alone Fuel Gauge IC

www.maxim-ic.com

GENERAL DESCRIPTION

PIN CONFIGURATIONS

The DS2782 measures voltage, temperature and

current, and estimates available capacity for

rechargeable lithium ion and lithium-ion polymer

batteries. Cell characteristics and application

parameters used in the calculations are stored in on-

chip EEPROM. The available capacity registers

report a conservative estimate of the amount of

charge that can be removed given the current

temperature, discharge rate, stored charge and

application parameters. Capacity estimation reported

in mAh remaining and percentage of full.

APPLICATIONS

Digital Still Cameras

Sub-Notebook Computers

Handheld PC Data Terminals

3G Multimedia Wireless Handsets

FEATURES

Precision Voltage, Temperature, and Current

Measurement System

Accurate Stable Internal Time Base

Absolute and Relative Capacity Estimated from

Coulomb Count, Discharge Rate, Temperature

and Battery Cell Characteristics

TYPICAL OPERATING CIRCUIT

Accurate Warning of Low Battery Conditions

Automatic Backup of Coulomb Count and Age

Estimation to Nonvolatile (NV) EEPROM

Gain and Tempco Calibration Allows the Use of

Low-Cost Sense Resistors

24-Byte User EEPROM or 16-Byte User

EEPROM and Unique 64-Bit ID

Industry 2-Wire Interface with Programmable

Slave Address

Tiny 8-Pin TSSOP and 10-TDFN Packages

Embed Easily in Thin Prismatic Cell Packs

ORDERING INFORMATION

PART

PIN-PACKAGE

8 TSSOP

TOP MARK

2782+

DS2782E+

DS2782E+T&R

DS2782G+

DS2782G+T&R

8 TSSOP

10 TDFN-EP*

2782+

Note: To order devices with the unique 64-bit ID option, contact Maxim sales.

+Denotes a lead(Pb)-free/RoHS-compliant package.

T&R = Tape and reel.

*EP = Exposed pad.

Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device

may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.

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