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BQ24155 - One-Cell Li-Ion Charger

General Description

The bq24155 is a compact, flexible, high-efficiency, USB-friendly switch-mode charge management device for single-cell Li-ion and Li-polymer batteries used in a wide range of portable applications.

The charge parameters can be programmed through an I2C interface.

Key Features

  • 1.
  • 2 Charge Faster than Linear Chargers.
  • High-Accuracy Voltage and Current Regulation.
  • Input Current Regulation Accuracy: ±5% (100 mA and 500 mA).
  • Charge Voltage Regulation Accuracy: ±0.5% (25°C), ±1% (0°C-125°C).
  • Charge Current Regulation Accuracy: ±5%.
  • High-Efficiency Mini-USB/AC Battery Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs.
  • 20-V Absolute Maximum Input Voltage Rating.
  • 6-V Maximum Operating Input Volta.

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Other Datasheets by Texas Instruments

Part Number Description
BQ24150 One-Cell Li-Ion Charger
BQ24150A One-Cell Li-Ion Charger
BQ24151 One-Cell Li-Ion Charger
BQ24151A One-Cell Li-Ion Charger
BQ24152 One-Cell Li-Ion 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
bq24155 www.ti.com SLUS942 – FEBRUARY 2010 Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance Check for Samples: bq24155 FEATURES 1 •2 Charge Faster than Linear Chargers • High-Accuracy Voltage and Current Regulation – Input Current Regulation Accuracy: ±5% (100 mA and 500 mA) – Charge Voltage Regulation Accuracy: ±0.5% (25°C), ±1% (0°C-125°C) – Charge Current Regulation Accuracy: ±5% • High-Efficiency Mini-USB/AC Battery Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs • 20-V Absolute Maximum Input Voltage Rating • 6-V Maximum Operating Input Voltage • Built-In Input Current Sensing and Limiting • Integrated Power FETs for Up To 1.25-A Charge Rate • Programmable Charge Parameters through I2C™ Compatible Interface (up to 3.