DS2762
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DS2762

High-Precision Li+ Battery Monitor with Alerts

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1-Wire Battery Monitor Integrates Single-Cell Protector and Alerts System when Current or Temperature Exceeds User-Defined Limits

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Documentation View All Documentation
Part Models 4
1ku List Price Starting From $5.26
Features
  • Li+ Safety Circuit
    • Overvoltage Protection
    • Overcurrent/Short-Circuit Protection
    • Undervoltage Protection
  • Host Alerted When Accumulated Current or Temperature Exceeds User-Selectable Limits
  • 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
  • System Power Management and Control Feature Support
  • 32 Bytes of Lockable EEPROM
  • 16 Bytes of General-Purpose SRAM
  • Dallas 1-Wire® Interface with Unique 64-Bit Device Address
  • Low-Power Consumption:
    • Active Current: 60µA typ, 90µA max
    • Sleep Current: 1µA typ, 2µA max
Additional Details
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The DS2762 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 DS2762 is a key component in applications including 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 $5.26
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DS2762

Documentation

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Data Sheet

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UPDATED 01/09/2006
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DS2762: High-Precision Li+ Battery Monitor with Alerts Data Sheet (Rev.2)

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UPDATED 01/01/1900
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DS2762: 高精度、Li+电池监测器，带报警输出 Data Sheet

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UPDATED 01/01/1900
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DS2762: 警報付き、高精度Li+ (リチウムイオン)バッテリモニタ Data Sheet

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Reliability Data

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UPDATED 01/12/2023
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DS2762 Reliability Data redirect icon

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Design Note

13

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UPDATED 09/10/2002
English
DS276x Product Comparison redirect icon

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UPDATED 12/18/2002
English
Compensating for Sense Resistor Self Heating redirect icon

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UPDATED 09/16/2003
English
DS27xx Fuel Gauge Board Layout Techniques to Minimize Measurement Error redirect icon

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UPDATED 04/23/2007
Chinese
DS27xx电量计电路板布局技巧，实现测量误差最小化 redirect icon

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UPDATED 04/26/2006
Japanese
測定誤差を最小限にするためのDS27xx残量計の基板レイアウト技術 redirect icon

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UPDATED 12/13/2004
English
Upgrading to the DS2762 from the DS2761 redirect icon

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UPDATED 04/25/2005
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从DS2761升级到DS2762 redirect icon

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UPDATED 10/26/2009
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DS2761からDS2762へのアップグレード redirect icon

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UPDATED 03/09/2004
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Powering up a DS2762 redirect icon

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UPDATED 07/23/2004
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DS2762的上电状态 redirect icon

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UPDATED 09/09/2004
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DS2762の起動 redirect icon

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UPDATED 05/04/2001
English
Using the DS2760 or DS2761 Battery Monitor in Multiple-Cell Applications redirect icon

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UPDATED 05/29/2003
English
Increasing The DS276X Battery Monitor and Protector ESD Protection Levels redirect icon

Application Note

6

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UPDATED 11/12/2004
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Maxim Wafer-Level Package Assembly Guide redirect icon

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UPDATED 01/04/2005
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Maxim晶片级封装安装指南 redirect icon

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UPDATED 03/28/2005
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UPDATED 03/28/2002
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1-Wire Search Algorithm redirect icon

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UPDATED 12/05/2003
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1-Wire搜索算法 redirect icon

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UPDATED 08/16/2002
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1-Wire 検索アルゴリズム redirect icon

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Documentation

Documentation

Technical Documents 11
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Data Sheet 1

DS2762: High-Precision Li+ Battery Monitor with Alerts Data Sheet (Rev.2)

Reliability Data 1

DS2762 Reliability Data

Application Note 2

Maxim Wafer-Level Package Assembly Guide
1-Wire Search Algorithm

Design Note 7

DS276x Product Comparison
Compensating for Sense Resistor Self Heating
DS27xx Fuel Gauge Board Layout Techniques to Minimize Measurement Error
Upgrading to the DS2762 from the DS2761
Powering up a DS2762
Using the DS2760 or DS2761 Battery Monitor in Multiple-Cell Applications
Increasing The DS276X Battery Monitor and Protector ESD Protection Levels

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.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
DS2762AE+ Thin Shrink Small-Outline Package external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
DS2762AE+T&R Thin Shrink Small-Outline Package external-link
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  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
DS2762BE+ Thin Shrink Small-Outline Package external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
DS2762BE+T&R Thin Shrink Small-Outline Package external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link

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Dec 11, 2018

- 1754N

ASSEMBLY

DS2762AE+

PRODUCTION

DS2762AE+T&R

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DS2762BE+

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DS2762BE+T&R

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ASSEMBLY

DS2762AE+

PRODUCTION

DS2762AE+T&R

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DS2762BE+

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DS2762BE+T&R

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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

DS2762K

Li+ Battery Monitor Evaluation Kit

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DS2762K

Li+ Battery Monitor Evaluation Kit

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DS2762K
Li+ Battery Monitor Evaluation Kit

Features and Benefits

  • Demonstrates the Capabilities of the DS2762 Li+ Battery Monitor, Including:
    • Temperature Measurement
    • Voltage Measurement
    • Current Measurement
    • Current Accumulation
    • Temperature and Accumulated Current Alarms
    • Information Storage
    • Identification
    • Overvoltage/Undervoltage Protection
    • Overcurrent/Short-Circuit Protection
  • Interfaces to the Serial Port of a PC Running Windows OS
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Product Detail

The DS2762K evaluation kit makes performance evaluation, software development, and prototyping with the DS2762 Lithium-Ion (Li+) battery monitor easy. The evaluation board interfaces to a PC through a DS9123 serial-port adapter and RJ-11 cable connection. The provided CD ROM contains all related data sheets along with the evaluation software, which can be run under any Windows® operating system.

The DS2762K evaluation software gives the user complete control of all functions of the DS2762. 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 DS2762 with accurate parameter measurements, allow the DS2762 to disable charging or discharging, and protect the DS2762 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 data sheets located inside the documentation directory on the DS2762K CD ROM.

Evaluation Kits1

DS2762K

Li+ Battery Monitor Evaluation Kit

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