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bq2054 - Lithium Ion Fast-Charge

Description

The bq2054 Lithium Ion FastCharge IC is designed to optimize charging of lithium ion (Li-Ion) chemistry batteries.

A flexible pulse-width modulation regulator allows the bq2054 to control voltage and current during charging.

Features

  • Safe charge of Lithium Ion battery packs.
  • Voltage-regulated currentlimited charging.
  • Fast charge terminated by selectable minimum current; safety backup termination on maximum time.
  • Charging continuously qualified by temperature and voltage limits.
  • Pulse-width modulation control ideal for high-efficiency switchmode power conversion.
  • Direct LED control outputs display charge status and fault conditions General.

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Datasheet preview – bq2054

Datasheet Details

Part number bq2054
Manufacturer UNITRODE
File Size 0.96 MB
Description Lithium Ion Fast-Charge
Datasheet download datasheet bq2054 Datasheet
Additional preview pages of the bq2054 datasheet.

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Full PDF Text Transcription

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bq2054 Lithium Ion Fast-Charge IC Features ➤ Safe charge of Lithium Ion battery packs ➤ Voltage-regulated currentlimited charging ➤ Fast charge terminated by selectable minimum current; safety backup termination on maximum time ➤ Charging continuously qualified by temperature and voltage limits ➤ Pulse-width modulation control ideal for high-efficiency switchmode power conversion ➤ Direct LED control outputs display charge status and fault conditions General Description The bq2054 Lithium Ion FastCharge IC is designed to optimize charging of lithium ion (Li-Ion) chemistry batteries. A flexible pulse-width modulation regulator allows the bq2054 to control voltage and current during charging. The regulator frequency is set by an external capacitor for design flexibility.
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