BQ24151A - Texas Instruments

BQ24151A One-Cell Li-Ion Charger

The bq24150A/1A 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 bq24150A/1A integrates a synchronous PWM controller, power MOSFETs, input current sensin.

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 to 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™ Interface (up.