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BQ24140 - One-Cell Li-Ion Charger

Description

The bq24140 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.
  • High-Efficiency Mini-USB/AC Battery Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs.
  • Charge Battery and Provide USB-OTG Support at the Same Time.
  • High-Accuracy Voltage and Current Regulation.
  • Input Current Regulation Accuracy: ±5% (100mA, 500mA).
  • Charge Voltage Regulation Accuracy: ±0.5% (25°C), ±1% (0-125°C).
  • Charge Current Regulation Accuracy: ±5%.
  • Boost Mode Operation for USB OTG:.
  • Input Voltage Range (from.

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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
bq24140 www.ti.com SLUSAO5 – OCTOBER 2011 Fully Integrated Dual-Input Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and USB-OTG Support Check for Samples: bq24140 FEATURES 1 • High-Efficiency Mini-USB/AC Battery Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs • Charge Battery and Provide USB-OTG Support at the Same Time • High-Accuracy Voltage and Current Regulation – Input Current Regulation Accuracy: ±5% (100mA, 500mA) – Charge Voltage Regulation Accuracy: ±0.5% (25°C), ±1% (0-125°C) – Charge Current Regulation Accuracy: ±5% • Boost Mode Operation for USB OTG: – Input Voltage Range (from Battery): 2.3V to 4.5V – Output for VBUS: 5.
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