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BQ77904 - Stackable Lithium-Ion Battery Protector

General Description

The BQ77904 and BQ77905 devices are low-power battery pack protectors that implement a suite of voltage, current, and temperature protections without microcontroller (MCU) control.

Key Features

  • NORMAL mode: 6 µA (BQ77904 and BQ77905).
  • Full suite of voltage, current, and temperature protections.
  • Scalable cell count from 3 series to 20 series or more.
  • Voltage protection (accuracy ±10 mV).
  • Overvoltage: 3 V to 4.575 V.
  • Undervoltage: 1.2 V to 3 V.
  • Open cell and open-wire detection (OW).
  • Current Protection.
  • Overcurrent discharge 1:.
  • 10 mV to.
  • 85 mV.
  • Overcurrent discharge 2:.
  • 20.

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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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BQ77904, BQ77905 SLUSCM3K – JUNE 2016 – REVISED JULY 2020 BQ77904, BQ77905 3-Series to 20-Series Ultra Low-Power Voltage, Current, Temperature, and Open-Wire Stackable Lithium-Ion Battery Protector 1 Features • NORMAL mode: 6 µA (BQ77904 and BQ77905) • Full suite of voltage, current, and temperature protections • Scalable cell count from 3 series to 20 series or more • Voltage protection (accuracy ±10 mV) – Overvoltage: 3 V to 4.575 V – Undervoltage: 1.