BQ24140 Overview
The bq24140 is a pact, flexible, high-efficiency,.
BQ24140 Key Features
- 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: 5.05V/500 mA
- Input Voltage Based Dynamic Power Management Provides Protection Against Current Limited Adapters