Product Overview: Texas Instruments BQ24035RHLRG4

The Texas Instruments BQ24035RHLRG4 is a highly integrated and efficient solution for lithium-ion battery charging and power-path management. This advanced single-cell Li-Ion battery charger is designed to be used in a wide range of portable applications. The BQ24035RHLRG4 simplifies the battery management system by integrating several key functions that help extend battery life and protect the battery during the charging process.

Key Features

• Charge Management: The device offers a complete charge management solution with automatic recharge, pre-charge conditioning, and charge termination. This ensures that the battery is charged safely and efficiently.
• Integrated Power FETs: The BQ24035RHLRG4 includes integrated power FETs for charge and discharge, reducing external component count and simplifying design.
• Thermal Regulation: To prevent overheating, the device features thermal regulation that reduces charge current if the die temperature exceeds a set threshold.
• LED Status Indicators: Charging status is easily monitored with LED indicators that signal charging and charge completion.
• High Accuracy: The voltage and current regulation of the charger is highly accurate, ensuring precise charging and maximizing battery performance.

Flexible Power Management

The BQ24035RHLRG4 supports flexible power management with an input voltage range from 4.35V to 16V. This allows the charger to operate with a variety of power sources, including USB ports and wall adapters. Additionally, it features an automatic system load management which seamlessly transitions between charging the battery and powering the system load.

Safety and Protection

Safety is a priority for any battery management system, and the BQ24035RHLRG4 integrates multiple protection features. These include overvoltage protection, short-circuit protection, and over-temperature protection. These safeguards help to ensure the longevity and reliability of both the battery and the device it powers.

Package and Availability

The BQ24035RHLRG4 is available in a compact 20-pin QFN package, making it suitable for space-constrained applications. Texas Instruments' commitment to quality ensures that this battery charger meets the highest standards for performance and reliability.

For designers and engineers looking for a robust and comprehensive charging solution, the BQ24035RHLRG4 from Texas Instruments is an excellent choice that balances functionality, protection, and ease of use.