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BQ24155 Datasheet One-cell Li-ion Charger

Manufacturer: Texas Instruments

Overview: bq24155 www.ti.com SLUS942 – FEBRUARY 2010 Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance Check for Samples:.

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.

The bq24155 integrates a synchronous PWM controller, power FETs, input current sensing, high-accuracy current and voltage regulation, and charge termination, into a small WCSP package.

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.

BQ24155 Distributor & Price

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