The BQ24251RGET from Texas Instruments is a highly efficient, single-cell Li-Ion battery charger designed to be integrated into portable applications. This advanced power management IC is engineered to deliver precise charging capabilities and enhanced battery life for a wide range of consumer electronics.

Key Features

• Charge Voltage Regulation: The BQ24251RGET offers a precise charge voltage regulation of up to 4.2V, ensuring that the battery is charged safely and efficiently.
• Programmable Charge Current: Users can program the charge current up to 2 A, which allows for flexibility in charging speed based on the battery's capacity and the application's power requirements.
• High-Efficiency Operation: With an integrated synchronous fixed-frequency PWM controller operating at 3 MHz, this charger provides a high-efficiency charging solution, minimizing heat generation and power loss.
• Thermal Regulation: To safeguard against overheating, the BQ24251RGET features thermal regulation, which reduces charge current automatically when the die temperature exceeds a preset threshold.
• Charge Status Indicators: The device includes a charge status output that can communicate with the host system, providing real-time information on the charging process.

Applications

The BQ24251RGET is ideal for a variety of applications, including but not limited to:

• Smartphones and Tablets
• Portable Media Players
• Handheld GPS Units
• Digital Cameras
• Other Portable Devices Requiring Single-Cell Li-Ion Charging

Technical Specifications

With its compact form factor and QFN-24 package, the BQ24251RGET is a space-saving solution that offers advanced charging features for next-generation portable devices.