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bq4050 - CEDV Gas Gauge and Protection Solution

General Description

The Texas Instruments bq4050 device, incorporating Compensated End-of-Discharge Voltage (CEDV) technology, is a highly integrated, accurate, 1-series to 4-series cell gas gauge and protection solution, enabling autonomous charger control and cell balancing.

Key Features

  • 1 High-Side Protection N-CH FET Drive Enables Serial Bus Communication During Fault Conditions.
  • Cell Balancing with Internal Bypass Optimizes Battery Health.
  • Diagnostic Lifetime Data Monitor and Black Box Recorder for Failure Analysis.
  • Full Array of Programmable Protection Features: Voltage, Current, Temperature.
  • JEITA Charge Algorithms Support Smart Charging.
  • Analog Front End with Two Independent ADCs.
  • Simultaneous Current and Volta.

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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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Product Folder Order Now Technical Documents Tools & Software Support & Community bq4050 SLUSC67B – MARCH 2016 – REVISED OCTOBER 2017 bq4050 CEDV Gas Gauge and Protection Solution for 1-Series to 4-Series Cell Li-Ion Battery Packs 1 Features •1 High-Side Protection N-CH FET Drive Enables Serial Bus Communication During Fault Conditions • Cell Balancing with Internal Bypass Optimizes Battery Health • Diagnostic Lifetime Data Monitor and Black Box Recorder for Failure Analysis • Full Array of Programmable Protection Features: Voltage, Current, Temperature • JEITA Charge Algorithms Support Smart Charging • Analog Front End with Two Independent ADCs – Simultaneous Current and Voltage Sampling – High-Accuracy Coulomb Counter with Input Offset Error < 1 μV (Typical) • Supports Battery Trip