Texas Instruments

BQ34Z950DBT

BQ34Z950DBT Description

The BQ34Z950DBT is a highly integrated battery monitor IC designed for lithium-ion/polymer batteries, supporting 2 to 4 cells. Manufactured by Texas Instruments, this device is part of the Impedance Track™ series, known for its advanced battery management solutions. The BQ34Z950DBT offers comprehensive fault protection, including over current, over temperature, over/under voltage, and short circuit protection, ensuring safe and reliable operation. It features a surface mount package, specifically a TSSOP, and is available in a tape & reel (TR) format, making it suitable for automated assembly processes. The device is compliant with both REACH and ROHS3 standards, ensuring environmental sustainability and regulatory adherence. Although the product is now obsolete, its robust design and functionality make it a reliable choice for existing applications.

BQ34Z950DBT Features

• Battery Chemistry Compatibility: Designed for lithium-ion/polymer batteries, the BQ34Z950DBT supports a wide range of modern battery chemistries, ensuring compatibility with various high-performance battery packs.
• Advanced Fault Protection: The device provides comprehensive protection against over current, over temperature, over/under voltage, and short circuit conditions, safeguarding the battery and connected electronics from potential damage.
• Impedance Track™ Technology: This proprietary technology enables accurate fuel gauging, providing precise state-of-charge (SOC) and state-of-health (SOH) estimations, which are crucial for optimizing battery life and performance.
• SMBus Interface: The BQ34Z950DBT features an SMBus interface, facilitating easy communication with host systems and enabling real-time monitoring and control of battery parameters.
• Moisture Sensitivity Level (MSL): With an MSL of 2 (1 Year), the BQ34Z950DBT is well-suited for manufacturing environments with varying humidity levels, ensuring long-term reliability and performance.
• Compliance and Sustainability: The device is REACH unaffected and ROHS3 compliant, aligning with global environmental regulations and promoting sustainable manufacturing practices.

BQ34Z950DBT Applications

The BQ34Z950DBT is ideal for a variety of applications where precise battery monitoring and protection are critical. These include:

• Portable Electronics: Smartphones, tablets, and laptops benefit from the accurate fuel gauging and robust protection offered by the BQ34Z950DBT, ensuring extended battery life and reliable performance.
• Wearable Devices: Fitness trackers, smartwatches, and other wearable technology can leverage the device's compact form factor and advanced monitoring capabilities to provide users with accurate battery status information.
• Medical Devices: Portable medical equipment, such as glucose monitors and portable defibrillators, require reliable battery management to ensure uninterrupted operation. The BQ34Z950DBT provides the necessary precision and protection for these critical applications.
• Industrial Equipment: Handheld scanners, portable test equipment, and other industrial devices can benefit from the BQ34Z950DBT's robust design and comprehensive protection features, ensuring long-term reliability in demanding environments.

Conclusion of BQ34Z950DBT

The BQ34Z950DBT is a versatile and reliable battery monitor IC, offering advanced features and robust protection for lithium-ion/polymer batteries. Its compatibility with 2 to 4 cells, precise fuel gauging, and comprehensive fault protection make it an ideal choice for a wide range of applications, from portable electronics to medical devices. Despite its obsolescence, the BQ34Z950DBT remains a valuable component for existing systems, providing accurate battery management and ensuring the safe and efficient operation of battery-powered devices.