bq24180 Description
The bq24180 is a pact, 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 patible interface. The bq24180 integrates a synchronous PWM controller, power MOSFETs, input current sensing and overvoltage protection, high-accuracy current and voltage...
bq24180 Key Features
- 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