Texas Instruments

BQ40Z50RSMT

BQ40Z50RSMT Description

The BQ40Z50RSMT from Texas Instruments is a highly integrated, Impedance Track™-based battery management IC designed for 1 to 4-cell Lithium-Ion/Polymer battery packs. This surface-mount device (32-VQFN package) combines advanced monitoring, protection, and communication capabilities via SMBus, making it ideal for precision battery management in portable electronics, power tools, and energy storage systems. With a wide input voltage range (up to 32V) and robust fault protection (over-current, over-temperature, over/under-voltage, and short-circuit), it ensures reliable operation in demanding environments. Compliant with ROHS3 and REACH, it meets global environmental standards while offering long-term reliability (MSL 2).

BQ40Z50RSMT Features

• Impedance Track™ Technology: Enables accurate state-of-charge (SoC) and state-of-health (SoH) monitoring, enhancing battery lifespan and performance.
• Comprehensive Protection: Integrated safeguards against over-current, over-temperature, over/under-voltage, and short-circuit conditions.
• SMBus Interface: Facilitates seamless communication with host systems for real-time data logging and control.
• Wide Voltage Range: Supports 1 to 4-cell configurations (up to 32V), adaptable to diverse battery chemistries.
• Compact & Reliable: 32-VQFN package with tape-and-reel (TR) packaging, suitable for automated assembly.
• Low-Power Design: Optimized for energy efficiency in portable and IoT applications.

BQ40Z50RSMT Applications

• Portable Electronics: Smartphones, tablets, and laptops requiring precise battery management.
• Power Tools: High-current applications needing robust protection and cycle life optimization.
• Medical Devices: Critical systems where battery reliability and safety are paramount.
• Energy Storage Systems: Backup power and renewable energy storage with multi-cell configurations.
• Industrial IoT: Remote sensors and edge devices demanding long battery runtime and diagnostics.

Conclusion of BQ40Z50RSMT

The BQ40Z50RSMT stands out as a versatile, high-performance battery management solution, combining TI’s proprietary Impedance Track™ technology with industry-leading protection features. Its compact form factor, compliance with environmental standards, and adaptability across 1 to 4-cell systems make it a preferred choice for engineers designing next-generation portable and industrial applications. Whether for consumer electronics or mission-critical systems, this IC delivers unmatched accuracy, safety, and efficiency.