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BQ24091 - Single-Cell Li-Ion and Li-Pol Battery Chargers

Download the BQ24091 datasheet PDF. This datasheet also covers the BQ24090 variant, as both devices belong to the same single-cell li-ion and li-pol battery chargers family and are provided as variant models within a single manufacturer datasheet.

Description

The BQ2409x series of devices are highly integrated Li-ion and Li-Pol linear chargers devices targeted at space-limited portable applications.

The devices operate from either a USB port or AC adapter.

Features

  • Charging.
  • 1% charge voltage accuracy.
  • 10% charge current accuracy.
  • Pin selectable USB 100-mA and 500-mA maximum input current limit.
  • Programmable termination and precharge threshold.
  • Protection.
  • 6.6-V overvoltage protection.
  • Input voltage dynamic power management.
  • 125°C thermal regulation; 150°C thermal shutdown protection.
  • OUT short-circuit protection and ISET short detection.
  • Operation over JEIT.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (BQ24090-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
BQ24090 Single-Cell Li-Ion and Li-Pol Battery Chargers
BQ24092 Single-Cell Li-Ion and Li-Pol Battery Chargers
BQ24093 Single-Cell Li-Ion and Li-Pol Battery Chargers
BQ24095 Single-Cell Li-Ion and Li-Pol Battery Chargers
BQ24001 Single-Cell Li-Ion Charge Management

Full PDF Text Transcription

Click to expand full text
www.ti.com BBQQ2244009911,,SBBLQQUS229446008H9922–,,JBBANQQU22A44R00Y992330,,10BB–QQR22E44V00IS99E55D,, BBAPQQR22IL442000992001 SLUS968H – JANUARY 2010 – REVISED APRIL 2021 BQ2409x 1-A, Single-Input, Single-Cell Li-Ion and Li-Pol Battery Chargers 1 Features • Charging – 1% charge voltage accuracy – 10% charge current accuracy – Pin selectable USB 100-mA and 500-mA maximum input current limit – Programmable termination and precharge threshold • Protection – 6.6-V overvoltage protection – Input voltage dynamic power management – 125°C thermal regulation; 150°C thermal shutdown protection – OUT short-circuit protection and ISET short detection – Operation over JEITA range via battery NTC – ½ fast-charge-current at cold, 4.
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