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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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Other Datasheets by Texas Instruments

Part Number Description
BQ24100 Li-Ion/Li-Polymer Charger
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Full PDF Text Transcription

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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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