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DS2780

Features: ·Precision Voltage, Temperature, and Current Measurement System·Accurate, Temperature 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 B...

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SeekIC No. : 004328946 Detail

DS2780: Features: ·Precision Voltage, Temperature, and Current Measurement System·Accurate, Temperature Stable Internal Time Base·Absolute and Relative Capacity Estimated from Coulomb Count, Discharge Rate,...

DS2780 Data Sheet

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Part Number:
DS2780
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/20

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Product Details

Description



Features:

·Precision Voltage, Temperature, and Current Measurement System
·Accurate, Temperature 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 Battery/Application Parameter EEPROM
·16-Byte User EEPROM
·Unique ID and Multidrop 1-Wire Interface
·Tiny 8-pin TSSOP Package Embeds Easily in Battery Packs Using Thin Prismatic Cells


Application

·Digital Still Cameras
·Sub-Notebook Computers
·Handheld PC Data Terminals
·3G Multimedia Wireless Handsets


Pinout

Connection Diagram


Specifications

Voltage Range on Any Pin Relative to VSS .. -0.3V to +6.0V
Voltage on VIN Relative to VSS  ......-0.3V to VDD+0.3
Operating Temperature Range ........-40 to +85
Storage Temperature Range  ........-55 to +125
Soldering Temperature (10s).............+260
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only,and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device


Description

The DS2780 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 onchip EEPROM. The DS2780 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




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