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bq77PL157 - Voltage Protection

General Description

The bq77PL157 is a stackable overvoltage protection device for 3, 4, 5 or 6 series cell Li-Ion battery packs.

This device incorporates a precise and accurate overvoltage detection circuit with preconfigured threshold limits.

Key Features

  • 1.
  • Single IC Li-Ion Protection for 3-Series to 6Series Cells.
  • Stackable to Protect up to 18-Series Cells.
  • Programmable Detection Time Delay.
  • Low Power Consumption.
  • Typical 2-µA to 2.5-µA Normal Mode.
  • Fixed 4.225 V Overvoltage Threshold.
  • Highly Accurate: ±20-mV MAX, TA = 0°C to 50°C.
  • Output Activation for Low Side FET (Contact TI for Alternate Output Options: High/Low-side Fuse or FET).
  • Protected Output, Power, and G.

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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.

View original datasheet text
www.ti.com bq77PL157A4225 SLUSA00B – MARCH 2010 – REVISED APRIL 2012 Voltage Protection for 3-Series to 6-Series Cell Lithium-Ion/Polymer Batteries Check for Samples: bq77PL157A4225 FEATURES 1 • Single IC Li-Ion Protection for 3-Series to 6Series Cells • Stackable to Protect up to 18-Series Cells • Programmable Detection Time Delay • Low Power Consumption – Typical 2-µA to 2.5-µA Normal Mode • Fixed 4.