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BQ2031 - Lead-Acid Fast-Charge

Description

The bq2031 Lead-Acid Fast Charge IC is designed to optimize charging of lead-acid chemistry batteries.

A flexible pulse-width modulation regulator allows the bq2031 to control constant-voltage, constantcurrent, or pulsed-current charging.

Features

  • Conforms to battery manufacturers' charge recommendations for cyclic and float charge.
  • Pin-selectable charge algorithms - Two-Step Voltage with temperature-compensated constant-voltage maintenance - Two-Step Current with constant-rate pulsed current maintenance - Pulsed Current: hysteretic, on-demand pulsed current.
  • Pin-selectable charge termination by maximum voltage,∆2V, minimum current, and maximum time.
  • Pre-charge qualification detects shorted, opened, or.

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Datasheet preview – BQ2031

Datasheet Details

Part number BQ2031
Manufacturer Benchmarq
File Size 1.30 MB
Description Lead-Acid Fast-Charge
Datasheet download datasheet BQ2031 Datasheet
Additional preview pages of the BQ2031 datasheet.

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Full PDF Text Transcription

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Not Recommended for New Designs (NRND) bq2031 Lead-Acid Fast-Charge IC Features ➤ Conforms to battery manufacturers' charge recommendations for cyclic and float charge ➤ Pin-selectable charge algorithms - Two-Step Voltage with temperature-compensated constant-voltage maintenance - Two-Step Current with constant-rate pulsed current maintenance - Pulsed Current: hysteretic, on-demand pulsed current ➤ Pin-selectable charge termination by maximum voltage,∆2V, minimum current, and maximum time ➤ Pre-charge qualification detects shorted, opened, or damaged cells and conditions battery ➤ Charging continuously qualified by temperature and voltage limits ➤ Internal temperature-compensated voltage reference ➤ Pulse-width modulation control - Ideal for high-efficiency switch-mode power conversion
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