The BQ25890RTWR and BQ25890RTWT from Texas Instruments are highly integrated battery charge management and system power path management devices designed for single-cell Li-Ion and Li-polymer batteries in a wide range of power-hungry applications. These state-of-the-art devices offer a rich array of features to ensure the optimal charging and power management of portable devices.

Key Features

• High-Efficiency Charging: These chips support high-efficiency, fast charging by integrating a synchronous switch-mode charge pump and a system power path management feature.
• Flexible Power Management: The BQ25890RTWR/BQ25890RTWT offer a wide range of input voltage support, typically from 3.9V to 14V, with high accuracy voltage and current regulation.
• Intelligent Power Allocation: They intelligently allocate power between the system and battery charging, optimizing charging rates and maintaining system operation.
• Comprehensive Safety: Multiple safety features are built-in, including battery temperature monitoring and protection, thermal regulation, input overvoltage protection, and safety timers.
• Advanced Charging Algorithms: These devices come with programmable charging algorithms to accommodate various battery chemistries and thermal conditions.
• Communication Interface: An I2C interface allows system designers to program and monitor various parameters such as input current limit, charge current, and voltage settings.

Applications

The BQ25890RTWR/BQ25890RTWT are suitable for a diverse array of applications. These include smartphones, tablets, digital cameras, portable gaming consoles, and other USB-charging consumer devices. Their versatility also makes them ideal for power banks, medical devices, and IoT devices where efficient charging and power management are critical.

Package Information

These devices are available in a 24-pin VQFN package, offering a compact footprint for space-constrained applications. The BQ25890RTWR and BQ25890RTWT versions may differ in their temperature range or other specific characteristics, catering to different application requirements.

With the BQ25890RTWR/BQ25890RTWT, Texas Instruments continues to provide advanced power management solutions that enhance the efficiency and safety of portable electronics.