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BQ24258 - Li-Ion/LiFePO4 Battery Charger

Download the BQ24258 datasheet PDF. This datasheet also covers the BQ24257 variant, as both devices belong to the same li-ion/lifepo4 battery charger family and are provided as variant models within a single manufacturer datasheet.

General Description

The bq2425x is a highly integrated single-cell Li-Ion battery charger with integrated current sense resistor targeted for space-limited, portable applications with high capacity batteries.

Key Features

  • High-efficiency Switch-mode Charger with Integrated Current Sense Resistor.
  • BC1.2 D+, D.
  • Detection with Dead Battery Provision (DBP) Pin-to-Sync with External USBPHI.
  • USB Charging Compliant.
  • Selectable Input Current Limit of 100 mA, 150 mA, 500 mA, 900 mA. 1.5 A, and 2 A.
  • Watchdog Timer with Disable Bit.
  • Integrated 4.9-V, 50-mA LDO.
  • Complete System Level Protection.
  • Input UVLO, Input Overvoltage Protection (OVP), Ba.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (BQ24257-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
BQ24250 Stand-Alone Switched-Mode Li-Ion Battery Charger
BQ24250C Standalone Switch-Mode Li-Ion Battery Charger
BQ24251 Stand-Alone Switched-Mode Li-Ion Battery Charger
BQ24253 Stand-Alone Switched-Mode Li-Ion Battery Charger
BQ24257 Li-Ion/LiFePO4 Battery Charger

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq24257: Not Recommended For New Designs bq24257 bq24258 SLUSBG0C – FEBRUARY 2013 – REVISED OCTOBER 2014 bq24257, bq24258 2-A Single Input I2C, Standalone Switch-Mode Li-Ion/LiFePO4 Battery Charger with Integrated Current-Sense Resistor 1 Features • High-efficiency Switch-mode Charger with Integrated Current Sense Resistor • BC1.2 D+, D– Detection with Dead Battery Provision (DBP) Pin-to-Sync with External USBPHI • USB Charging Compliant • Selectable Input Current Limit of 100 mA, 150 mA, 500 mA, 900 mA. 1.5 A, and 2 A • Watchdog Timer with Disable Bit • Integrated 4.