DS25LV02

Low Voltage 1024-Bit EPROM

A 1024-Bit EPROM Memory that Operates from a Supply as Low as 2.2V, Compatible with a 1.8V I/O Supply Rail, and Backwards-Compatible with the Industry-Standard DS2502 Battery Pack ID

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Status Explanations for product status codes

Part Number Status
DS25LV02 Active: In Production. See Ordering Information for details.

Description

The DS25LV02 provides data storage and serial number identification for battery packs. The low-voltage Dallas 1-Wire® interface enables serial communication on a single battery contact and the 64-bit unique serial number allows multidrop networking and identification of individual devices. The 1024-bit EPROM memory is organized as 4 pages of 32 bytes each and supports storage of battery cell characteristics, charging voltage, current and temperature parameters, as well as battery pack manufacturing data. CRC verification provides data integrity during communication. The EPROM pages are in-circuit writable and can be individually locked to protect data. The DS25LV02 is designed to be completely backward-compatible with the DS2502 for existing designs.
 

Data Sheet

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Key Features

  • 128 Bytes of EPROM Storage Organized into Four Separately Lockable Pages
  • Backward-Compatible with DS2502
  • Dallas 1-Wire Interface
  • Input Logic Thresholds Compatible with 1.8V I/O Supply Rail
  • Unique 64-Bit Serial Number
  • Operates with VDD as Low as 2.2V
  • Tiny, Thin SOT-23 Package
 

Applications/Uses

  • Cell Phones/Smartphones
  • Digital Cameras
  • MP3 Players
   

Key Specifications:

Battery ID Products
Part Number Interface User Data Storage
(bits)
Features VSUPPLY
(V)
Package/Pins Smallest Available Pckg.
(mm2)
Oper. Temp.
(°C)
Budgetary Price
max w/pins See Notes
DS25LV02  1-Wire 1024 EPROM Unique 64-bit ID 2.2 to 5.5
TSOT/5
9 -30 to +85 $0.91 @1k
See All Battery ID Products (4)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


Diagram

DS25LV02: Typical Application Circuit
Typical Application Circuit

More Information

New Product Press Release 2006-06-07 ]

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Overview

 

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Ordering Info

 

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Rev 1; 2006-05-15
This page last modified: 2009-10-06




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