DS2764
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DS2764

High-Precision Li+ Battery Monitor with 2-Wire Interface

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2-wire battery monitor integrates single-cell protector

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Part Models 4
1ku List Price Starting From $4.48
Features
  • Li+ Safety Circuit
    • Overvoltage Protection
    • Overcurrent/Short-Circuit Protection
    • Undervoltage Protection
  • 0V Battery Recovery Charge
  • Available in Two Configurations:
  • Internal 25mΩ Sense Resistor
  • External User-Selectable Sense Resistor
  • Current Measurement
    • 12-Bit Bidirectional Measurement
    • Internal Sense Resistor Configuration: 0.625mA LSB and ±1.9A Dynamic Range
    • External Sense Resistor Configuration: 15.625µV LSB and ±64mV Dynamic Range
  • Current Accumulation:
    • Internal Sense Resistor: 0.25mAhr LSB
    • External Sense Resistor: 6.25µVhr LSB
  • Voltage Measurement with 4.88mV Resolution
  • Temperature Measurement Using Integrated Sensor with 0.125°C Resolution
  • 40 Bytes of Lockable EEPROM
  • Option for Unique 64-bit ID
  • Industry 2-Wire Interface with Programmable Slave Address
  • Low-Power Consumption:
    • Active Current: 60µA typ, 90µA max
    • Sleep Current: 1µA typ, 2µA max
Additional Details
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The DS2764 high-precision Li+ battery monitor is a data-acquisition, information-storage, and safety-protection device tailored for cost-sensitive battery pack applications. This low-power device integrates precise temperature, voltage, and current measurement, nonvolatile (NV) data storage, and Li+ protection into the small footprint of either a TSSOP package or flip-chip package. The DS2764 is a key component in applications requiring remaining capacity estimation, safety monitoring, and battery-specific data storage.

Applications

  • Cell Phones/Smartphones
  • Digital Cameras
  • PDAs
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file View Data Sheet (Rev.2)
Documentation View All Documentation
Part Models 4
1ku List Price Starting From $4.48
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DS2764

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Data Sheet

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UPDATED 01/18/2006
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DS2764: High-Precision Li+ Battery Monitor with 2-Wire Interface Data Sheet (Rev.2)

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UPDATED 01/01/1900
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DS2764: 高精度、Li+电池监测器，带有2线接口 Data Sheet

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UPDATED 01/01/1900
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DS2764: 2線式インタフェース付き、高精度Li+ (リチウムイオン)バッテリモニタ Data Sheet

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Documentation

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

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DS2764BE+ Thin Shrink Small-Outline Package external-link
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Dec 11, 2018

- 1754N

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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

DS2764EVKIT

Evaluation Kit for the DS2764

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DS2764EVKIT

Evaluation Kit for the DS2764

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DS2764EVKIT
Evaluation Kit for the DS2764

Features and Benefits

  • Demonstrates the capabilities of the DS2764 Li+ Battery Monitor, including:
    • Temperature measurement
    • Voltage measurement
    • Current measurement
    • Current accumulation
    • Information storage
    • Identification
    • Overvoltage/Undervoltage protection
    • Overcurrent/short circuit protection
  • Interfaces to the USB port of a PC running Windows XP® or older operating system
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Product Detail

The DS2764 evaluation kit (EV kit) makes performance evaluation, software development, and prototyping with the DS2764 Lithium-Ion Battery Monitor easy. The evaluation board interfaces to a PC through a DS9123O USB Port Adapter and RJ-11 cable connection.

The DS2764 EV kit evaluation software gives the user complete control of all functions of the DS2764. Separate control tabs allow the user access to all EEPROM and RAM memory locations, all control registers, and real-time updates of all monitored parameters. The software also incorporates a data logging feature to monitor a cell over time and fuel gauging algorithms to improve remaining capacity calculations based on specific cell characteristics.

The evaluation board circuit is designed to provide the DS2764 with accurate parameter measurements, allow the DS2764 to disable charging or discharging, and protect the DS2764 from ESD damage. Kit demonstration boards will vary as they are improved upon over time. For information on the demonstration board circuits refer to the individual board datasheets located online at www.maximintegrated.com.

Evaluation Kits1

DS2764EVKIT

Evaluation Kit for the DS2764

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