Texas Instruments

TPS3809L30DBVRG4

TPS3809L30DBVRG4 Description

The TPS3809L30DBVRG4 is a single-channel voltage supervisor IC designed by Texas Instruments, featuring a voltage threshold of 2.64V. This device is housed in a compact SOT23-3 package, making it suitable for space-constrained applications. It is designed to monitor a single voltage rail and provide a reset signal when the monitored voltage falls below the specified threshold. The reset signal is active low, ensuring compatibility with a wide range of microcontrollers and processors. The TPS3809L30DBVRG4 has a minimum reset timeout of 120ms, providing sufficient time for system recovery. It is RoHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance. The device is available in a tape and reel package, facilitating automated assembly processes. Despite its obsolete status, the TPS3809L30DBVRG4 remains a reliable choice for applications requiring a simple and effective voltage monitoring solution.

TPS3809L30DBVRG4 Features

• Voltage Monitoring: Monitors a single voltage rail with a threshold of 2.64V, ensuring reliable system operation.
• Reset Functionality: Provides an active-low reset signal with a minimum timeout of 120ms, allowing for proper system initialization.
• Compact Design: Housed in a SOT23-3 package, ideal for applications where space is a critical factor.
• Environmental Compliance: RoHS3 compliant and REACH unaffected, ensuring adherence to environmental regulations.
• Packaging: Available in tape and reel format, facilitating efficient and automated manufacturing processes.
• Moisture Sensitivity Level: MSL 1 (unlimited), indicating high resistance to moisture, which is beneficial for applications in humid environments.

TPS3809L30DBVRG4 Applications

ThePS T3809L30DBVRG4 is ideal for a variety of applications where reliable voltage monitoring is essential. These include:

• Embedded Systems: Ensuring proper operation of microcontrollers and processors by providing a reset signal when the supply voltage drops below the threshold.
• Consumer Electronics: Monitoring power rails in devices such as smartphones, tablets, and IoT devices to prevent system crashes due to voltage fluctuations.
• Industrial Equipment: Protecting critical components in industrial control systems and automation equipment from voltage sags and brownouts.
• Automotive Electronics: Ensuring the reliability of electronic control units (ECUs) by monitoring the battery voltage and providing a reset signal when necessary.
• Power Management: Used in power supply units and power management systems to monitor and control the voltage levels of various components.

Conclusion of TPS3809L30DBVRG4

The TPS3809L30DBVRG4 is a robust and reliable voltage supervisor IC that offers essential features for voltage monitoring and system reset. Its compact SOT23-3 package, combined with a 2.64V threshold and 120ms minimum reset timeout, makes it suitable for a wide range of applications. The device's environmental compliance and moisture resistance further enhance its versatility. Despite being marked as obsolete, the TPS3809L30DBVRG4 remains a valuable component for applications requiring a straightforward and effective voltage monitoring solution.