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BQ24155 - One-Cell Li-Ion Charger

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.

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

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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.
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