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DS2436
Battery ID/Monitor Chip

Not Recommended for New Designs
Part Number Replacement
DS2436B n/a
DS2436B+ n/a
DS2436B+W n/a
DS2436B-C02 n/a
DS2436B-C02/T&R-W n/a
DS2436Z n/a
DS2436Z+ n/a
DS2436Z+W n/a
DS2436Z-C03 n/a
DS2436Z-C03/T&R-W n/a
DS2436Z-W n/a
DS2436Z/T&R+W n/a
DS2436B+T&R n/a
DS2436B-C02/T&R n/a
DS2436B/T&R n/a
DS2436Z+T&R n/a
DS2436Z-C03/T&R n/a
DS2436Z/T&R n/a


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Data Sheet
FULL DATA SHEET (PDF, 480kB)
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Description
The DS2436 Battery Identification/Monitor Chip provides a convenient method of tagging and identifying battery packs by manufacturer, chemistry, or other identifying parameters. The DS2436 allows the battery pack to be coded with a unique 64-Bit ROM ID and a 16-Bit Manufacturer ID, and also store information regarding the battery life and charge/discharge characteristics in its nonvolatile memory.

The DS2436 also performs the essential function of monitoring battery temperature, without the need for a thermistor in the battery pack.

A cycle counter assists to determine the remaining cycle life of the battery.

Finally, the DS2436 measures battery voltage and sends that measured value to a host CPU for use in end-of-charge or end-of-discharge determination or basic fuel gauge operation.

Information is sent to/from the DS2436 over a 1-Wire® interface, so that battery packs need only have three output connectors: power, ground, and the 1-Wire interface.

Key Features   Applications/Uses
  • Unique 1-Wire interface requires only one port pin for communication
  • Provides unique 64-bit identification number to battery packs
  • On-board A/D converter monitors battery voltage for end-of-charge and end-of-discharge determination
  • Eliminates thermistors by sensing battery temperature on-chip
  • 256-bit nonvolatile user memory available for storage of data such as fuel gauge and manufacturing information
  • 2-byte cycle counter
  • Operating range of -40°C to +85°C
  • Applications include portable computers, portable/ cellular phones, consumer electronics, and handheld instrumentation

 
  • Consumer Electronics
  • Handheld Instruments
  • Portable Computing
  • Portable/Cellular Phones

    Application Notes
  • Application Note 122: Using Dallas' 1-Wire ICs in 1-Cell Li-Ion Battery Packs With Low-Side N-Channel Safety FETs Master - DS2436
  • Application Note 124: Battery Considerations for Today's Low-Power, Long-Life Solid State Devices - DS2436
  • Application Note 3489: Installing the DS9123O USB Adapter on Windows® 98 - DS2436

    Evaluation Kits
  • DS2436K

    Design Guides
  • BATTERY MANAGEMENT (PDF)
  • 1-Wire® PRODUCTS (PDF)

    Reliability Reports
  • Reliability Report: DS2436.pdf

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    This product is not available for purchase.


    More Information
  • New Product Press Release 2001-05-04 

    Related Products
    DS2436K Battery ID/Monitor Evaluation Kit

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    2007-07-16
    This page last modified: 2008-03-11



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