The BQ20849DBTR is a state-of-the-art integrated circuit designed and manufactured by Texas Instruments (TI), a leader in semiconductor solutions. This advanced battery management device is specifically tailored for the precise monitoring and control of single-cell lithium-ion or lithium-polymer batteries. It is an essential component for ensuring the longevity and efficiency of battery-powered applications.

Key Features

• High-Accuracy Monitoring: The BQ20849DBTR provides high-precision measurements of critical parameters such as voltage, current, and temperature, ensuring the battery operates within safe limits.
• Integrated Power Management: This chip includes an integrated power FET for charging control, minimizing the need for external components and simplifying the design process.
• Impedance Track™ Algorithm: TI's proprietary Impedance Track™ technology enables the BQ20849DBTR to deliver highly accurate state-of-charge (SOC) and state-of-health (SOH) estimations, which are crucial for optimal battery performance and lifecycle management.
• Flexibility: The device offers programmable settings for charge voltage, current limits, and other parameters, providing design flexibility for various applications.
• Protection Features: The BQ20849DBTR is equipped with multiple safety features, including overvoltage, undervoltage, overcurrent, and overtemperature protection, ensuring the battery operates safely under all conditions.
• Communication Interface: An I2C interface facilitates communication between the BQ20849DBTR and the host controller, allowing for real-time monitoring and adjustments.

Applications

The versatility of the BQ20849DBTR makes it suitable for a wide range of applications. It is particularly well-suited for portable electronics, such as smartphones, tablets, and laptops, as well as medical devices, drones, and other sophisticated battery-powered equipment that demand precise battery management for safety and efficiency.

Package and Availability

The BQ20849DBTR comes in a compact 30-pin TSSOP (DBT) package, designed for space-constrained applications. It is available for order through Texas Instruments' official distributors, ensuring reliable delivery and support for designers and manufacturers globally.