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bq24180 - Fully Integrated Switch-Mode One-Cell Li-Ion Charger

Description

The bq24180 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 is programmable using an I2C compatible interface.

Features

  • 1.
  • 2 Charge Faster than Linear Chargers From Current Limited Input Sources.
  • 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%.
  • Accessory Power Output (DCOUT).
  • Input Voltage Based Dynamic Power Management.
  • Safety Limit Register for Maximum Charge Voltage and Current.

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Other Datasheets by Texas Instruments

Part Number Description
bq24185 Fully Integrated Switch-Mode One-Cell Li-Ion Charger
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Full PDF Text Transcription

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bq24180 www.ti.com SLUSA02 A – FEBRUARY 2010 – REVISED FEBRUARY 2010 Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and Accessory Power Connection Check for Samples: bq24180 FEATURES 1 •2 Charge Faster than Linear Chargers From Current Limited Input Sources • 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% • Accessory Power Output (DCOUT) • Input Voltage Based Dynamic Power Management • Safety Limit Register for Maximum Charge Voltage and Current Limiting • High-Efficiency Mini-USB/AC Battery Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs • 20-V Absolute Maximum and 16.
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