DS2781E+T

standalone fuel gauge IC, TSSOP8, -0.3V to +6.0V

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Price:: US $2.50~3.20 / piece [Get Latest Price]

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	US $2.50~3.20

PartNumber:: DS2781E+T

Brand:: Maxim Integrated Products - Maxim | Pack: TSSOP | D/C: 09+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2011-06-28

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Part Number:DS2781E+T
US $2.50 - 3.20
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Product Summary

The DS2781E+T is a standalone fuel gauge IC. The DS2781E+T measures voltage, temperature, and current, and estimates available capacity for rechargeable Lithium-Ion and Lithium-Ion Polymer batteries. Cell stack characteristics and application parameters used in the calculations are stored in onchip 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 is reported in milliamp hours remaining and percentage of full. The applications of the DS2781E+T inlcude digital video cameras, commercial two-way radios, industrial PDAs and handheld PC data terminals and portable GPS navigation systems.

Parametrics

DS2781E+T absolute maximum ratings: (1)Voltage on VPLS, VIN Relative to VSS: -0.3V to +12V; (2)Voltage Range on Any Pin Relative to VSS: -0.3V to +6.0V; (3)Continuous Sink Current, DQ, PIO: 20mA; (4)Operating Temperature Range: -40 to +85℃; (5)Storage Temperature Range: -55 to +125℃; (6)Soldering Temperature (10s): +260℃.

Features

DS2781E+T features: (1)Precision Voltage, Temperature, and Current Measurement System; (2)Operates in One-Cell or Two--Cell Applications; (3)Accurate, Temperature Stable Internal Time Base; (4)Absolute and Relative Capacity Estimated from Coulomb Count, Discharge Rate, Temperature, and Battery Cell Characteristics; (5)Accurate Warning of Low Battery Conditions; (6)Automatic Backup of Coulomb Count and Age Estimation to Nonvolatile (NV) EEPROM; (7)Gain and Tempco Calibration Allows the Use of Low-Cost Sense Resistors; (8)24-Byte Battery/Application Parameter EEPROM; (9)16-Byte User EEPROM; (10)Unique ID and Multidrop 1-Wire Interface; (11)Tiny 8-Pin TSSOP Package Embeds Easily in Battery Packs Using Thin Prismatic Cells.