Texas Instruments

TPS3306-18QDRG4Q1

TPS3306-18QDRG4Q1 Description

The TPS3306-18QDRG4Q1 is a dual-channel voltage supervisor IC designed for automotive applications, manufactured by Texas Instruments. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in an 8-pin SOIC package. It features a surface mount mounting type, making it suitable for compact and high-density PCB designs. The TPS3306-18QDRG4Q1 monitors two separate voltage levels with thresholds set at 1.68V and 2.93V, ensuring reliable power monitoring for critical automotive systems.

TPS3306-18QDRG4Q1 Features

• Dual Voltage Monitoring: The TPS3306-18QDRG4Q1 is equipped to monitor two distinct voltage levels, providing comprehensive oversight for systems requiring multiple power rails.
• Open Drain/Collector Output: This feature allows for flexible interfacing with various control circuits, enhancing the versatility of the device.
• Active Low Reset: The reset function is active low, which is a common requirement in automotive systems, ensuring compatibility with existing designs.
• 70ms Minimum Reset Timeout: This ensures a reliable reset duration, preventing premature system restarts and ensuring robust operation.
• Automotive Grade: Certified for automotive use, the TPS3306-18QDRG4Q1 meets the stringent reliability and performance standards required for automotive electronics.
• Surface Mount Compatibility: The surface mount type allows for integration into modern, space-constrained automotive electronic modules.
• Moisture Sensitivity Level 1: This indicates that the device is not moisture-sensitive, simplifying handling and storage processes.
• Compliance: The TPS3306-18QDRG4Q1 is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety regulations.

TPS3306-18QDRG4Q1 Applications

The TPS3306-18QDRG4Q1 is ideal for a range of automotive applications where reliable voltage monitoring is critical. Specific use cases include:

• Engine Control Units (ECUs): Monitoring power supply voltages to ensure stable operation and prevent malfunctions.
• Battery Management Systems: Ensuring that battery voltages remain within safe operating limits.
• In-Vehicle Infotainment (IVI) Systems: Providing reliable power monitoring for sensitive electronic components.
• Advanced Driver Assistance Systems (ADAS): Ensuring the reliability of power supplies for critical safety features.

Conclusion of TPS3306-18QDRG4Q1

The TPS3306-18QDRG4Q1 offers robust voltage monitoring capabilities tailored for automotive applications. Its dual-channel monitoring, automotive-grade certification, and compliance with environmental standards make it a reliable choice for critical automotive systems. While the product is now obsolete, its legacy in automotive power management remains significant, and it continues to be a reference for similar devices in the market. For new designs, engineers may need to seek alternative solutions, but the TPS3306-18QDRG4Q1 remains a benchmark for reliability and performance in automotive power management.