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bq2944L0 - VOLTAGE PROTECTION

This page provides the datasheet information for the bq2944L0, a member of the bq29440 VOLTAGE PROTECTION family.

Datasheet Summary

Description

The bq2944x is a secondary overvoltage protection IC for 2-series, 3-series, or 4-series cell Li-Ion battery packs that incorporates a high-accuracy precision overvoltage detection circuit.

The voltage of each cell in a battery pack is compared to an internal reference voltage.

Features

  • 1.
  • 2-Series, 3-Series, or 4-Series Cell Secondary Protection.
  • External Capacitor-Controlled Delay Timer.
  • Low Power Consumption ICC < 2 µA Typical [VCELL(ALL) <.

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Datasheet preview – bq2944L0

Datasheet Details

Part number bq2944L0
Manufacturer Texas Instruments
File Size 1.13 MB
Description VOLTAGE PROTECTION
Datasheet download datasheet bq2944L0 Datasheet
Additional preview pages of the bq2944L0 datasheet.

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Full PDF Text Transcription

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bq29440, bq2944L0 bq29441, bq29442, bq29443, bq29449, bq2944L9 www.ti.com SLUSA15C – JUNE 2010 – REVISED NOVEMBER 2010 Voltage Protection for 2-Series, 3-Series, or 4-Series Cell Li-Ion Batteries (Second-Level Protection) Check for Samples: bq29440, bq2944L0, bq29441, bq29442, bq29443, bq29449, bq2944L9 FEATURES 1 • 2-Series, 3-Series, or 4-Series Cell Secondary Protection • External Capacitor-Controlled Delay Timer • Low Power Consumption ICC < 2 µA Typical [VCELL(ALL) < VPROTECT] • High-Accuracy Overvoltage Protection: ±25 mV with TA = 0°C to 60°C • Fixed Overvoltage Protection Thresholds: 4.30 V, 4.35 V, 4.40 V, 4.45 V, 4.
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