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DS2782 Datasheet دیتاشیت PDF دانلود

دیتاشیت - Maxim Integrated Products - Stand-Alone Fuel Gauge IC

شماره قطعه DS2782
شرح مفصل Stand-Alone Fuel Gauge IC
تولید کننده Maxim Integrated Products 
آرم Maxim Integrated Products 


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DS2782 شرح
www.maxim-ic.com
GENERAL DESCRIPTION
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
www.DataSheet4U.com
TYPICAL OPERATING CIRCUIT
Pack+
SDA
150
SCL
150
5.6V 5.6V
Pack-
DS2782
SDA 5
4 VDD
SCL 6
3 VIN
PIO 8
1 NC
SNS 7
2 VSS
TSSOP-8
RSNS
500 1K
1 Cell
Li-Ion
Battery
0.1uF
Protection
Circuit
DS2782
Stand-Alone Fuel Gauge IC
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
§ 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 Package Embeds Easily in
Battery Packs Using Thin Prismatic Cells
PIN CONFIGURATION
TOP VIEW
TSSOP-8
NC
VSS
VIN
VDD
1
2
3
4
8 PIO
7 SNS
6 SCL
5 SDA
ORDERING INFORMATION
PART
MARKING
DS2782E+
DS2782E+T&R
2782+
2782+
PACKAGE INFORMATION
Lead-Free TSSOP
DS2782E+, Tape-and-Reel
Note: To order devices with the unique 64-bit ID option, contact Maxim/Dallas Semiconductor sales.
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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REV: 042505

قانون اساسیصفحه 25
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