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DS2436 Datasheet Battery ID/Monitor Chip

Manufacturer: Maxim Integrated (now Analog Devices)

General Description

GND - Ground DQ - Data In/Out VDD - Supply/Battery Connection 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.

Overview

www.maxim-ic.com.

Key Features

  • 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-ofdischarge 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°.