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DS2438 - Smart Battery Monitor

Description

DQ - Data In/Out VAD - General A/D input VSENS+ - Battery current monitor input (+) VSENS

Features

  • Unique 1-Wire® interface requires only one port pin for communication.
  • Provides unique 64-bit serial number.
  • Eliminates thermistors by sensing battery temperature on-chip.
  • On-board A/D converter allows monitoring of battery voltage for end-of-charge and end- of-discharge determination.
  • On-board integrated current accumulator facilitates fuel gauging.
  • Elapsed time meter in binary format.
  • 40-byte nonvolatile user memory available for storage of battery-specific.

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Full PDF Text Transcription

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AVAILABLE DS2438 Smart Battery Monitor FEATURES § Unique 1-Wire® interface requires only one port pin for communication § Provides unique 64-bit serial number § Eliminates thermistors by sensing battery temperature on-chip § On-board A/D converter allows monitoring of battery voltage for end-of-charge and end- of-discharge determination § On-board integrated current accumulator facilitates fuel gauging § Elapsed time meter in binary format § 40-byte nonvolatile user memory available for storage of battery-specific data § Reverts to low-power sleep mode on battery pack disconnect (feature disabled on DS2438AZ) § Operating range -40ºC to +85ºC § Applications include portable computers, portable/cellular phones, consumer electronics, and handheld instrumentation PIN ASSIGNMENT GND VSENS+
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