BQ24273
Description
The bq24273 is a highly integrated single cell Li-Ion battery charger with integrated charge current sense element device targeted for space-limited, portable applications with high capacity batteries. The single cell charger operates from a dedicated power source such as a wall adapter or wireless power supply for a versatile solution.
Key Features
- High-Efficiency Switch Mode Charger with Integrated Current Sense Element
- Single Input Charger – 20V input rating, with 10.5V Over-Voltage Protection (OVP) – Integrated FETs for Up to 2.5A Charge Rate
- Integrated Charge Current Sense Element for Reduced BOM Count and Board Space Savings
- Safe and accurate Battery Management Functions – 0.5% Battery Regulation Accuracy – 10% Charge Current Accuracy
- Voltage-based, NTC Monitoring Input (TS) – JEITA compatible
- Thermal Regulation Protection for Output Current Control
- BAT Short-Circuit Protection
- Soft-Start Feature to Reduce Inrush Current
- Thermal Shutdown and Protection
- Available in Small 49-ball WCSP or QFN-24 Packages
