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BQ77905 - Stackable Lithium-Ion Battery Protector

Download the BQ77905 datasheet PDF. This datasheet also covers the BQ77904 variant, as both devices belong to the same stackable lithium-ion battery protector family and are provided as variant models within a single manufacturer datasheet.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (BQ77904-etcTI.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer

Other Datasheets by Texas Instruments

Part Number Description
BQ77904 Stackable Lithium-Ion Battery Protector
BQ77908A Multi-Cell Lithium-Ion/Polymer Precision Protector
BQ77910A Multi-Cell Lithium-Ion/Polymer Precision Protector
BQ77915 3-Series to 5-Series Stackable Ultra-Low Power Primary Protector
bq771600 Overvoltage Protection

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.

View original datasheet text
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.