Texas Instruments

BQ40Z80RSMR

BQ40Z80RSMR Description

The BQ40Z80RSMR from Texas Instruments is a highly integrated, multi-function battery management IC designed for 2 to 7-cell Lithium-Ion/Polymer battery packs. Packaged in a compact 32-VQFN surface-mount form factor, this SMBus-compliant device offers advanced monitoring, protection, and fuel gauging capabilities. With a wide input voltage range (up to 32V) and robust fault protection mechanisms, it ensures reliable performance in demanding applications. Compliant with ROHS3 and REACH standards, it is suitable for global deployment.

BQ40Z80RSMR Features

• Multi-Cell Support: Manages 2 to 7-series Li-Ion/Polymer cells with precision.
• Comprehensive Protection: Safeguards against over-current, over/under-voltage, short-circuit, and over-temperature conditions.
• SMBus Interface: Enables seamless communication with host systems for real-time battery data.
• High Integration: Combines fuel gauging, cell balancing, and protection in a single IC, reducing BOM complexity.
• Robust Packaging: 32-VQFN (5x5mm) tape-and-reel (TR) packaging ensures durability and ease of assembly.
• Low Sensitivity: MSL 1 (Unlimited) rating allows extended storage without moisture concerns.

BQ40Z80RSMR Applications

• Portable Electronics: Ideal for laptops, tablets, and medical devices requiring accurate battery monitoring.
• Power Tools & E-Bikes: Provides reliable protection and cell balancing for high-current applications.
• Energy Storage Systems: Ensures safe operation in solar-powered backups and UPS systems.
• Industrial Equipment: Suitable for ruggedized devices where voltage fluctuations and thermal stress are common.

Conclusion of BQ40Z80RSMR

The BQ40Z80RSMR stands out as a versatile, high-performance battery management solution, offering advanced protection, precise fuel gauging, and broad compatibility with multi-cell configurations. Its compact design, compliance with environmental standards, and fault resilience make it a preferred choice for consumer, industrial, and automotive applications. Engineers benefit from its integration efficiency and reliability, reducing development time while enhancing system safety.