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DS2782G+TR PDF预览

DS2782G+TR

更新时间: 2024-09-09 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

DS2782G+TR 数据手册

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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*  
10 TDFN-EP*  
2782+  
2782+  
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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