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bq77PL157 - Voltage Protection

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.

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

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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.
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