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BQ26231 - Battery Coulomb Counter

General Description

The bq26231 is a low-cost charge/discharge counter peripheral in an 8-pin TSSOP.

It works with an intelligent host controller, providing state-of-charge information for rechargeable Li-Ion, Li-Pol, or NiMH batteries.

Key Features

  • D Multifunction High-Accuracy Coulometric Charge and Discharge Counter D Ideal for Portable.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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bq26231 LOWĆCOST BATTERY COULOMB COUNTER FOR EMBEDDED PORTABLE APPLICATIONS SLUS491 – JULY 2001 FEATURES D Multifunction High-Accuracy Coulometric Charge and Discharge Counter D Ideal for Portable Applications With Nonremovable Rechargeable Battery Pack D Resolves Signals Less Than 12.5 µV D Internal Offset Calibration Improves Accuracy D 128 Bytes of General-Purpose RAM D Internal Temperature Sensor Eliminates the Need for an External Thermistor D High-Accuracy Internal Timebase Eliminates External Crystal Oscillator D Low Power Consumption: – Operating: < 80 µA – Sleep: < 10 µA D Single-Wire HDQ Serial Interface D Packaging: 8-Lead TSSOP DESCRIPTION The bq26231 is a low-cost charge/discharge counter peripheral in an 8-pin TSSOP.