Richtek

RT9819G-28GU3  

Supervisors

RT9819G-28GU3 Description

The RT9819G-28GU3 is a high-performance, single-channel voltage supervisor IC designed by Richtek USA Inc., a leading manufacturer in the power management industry. This device is specifically engineered to monitor a single voltage rail and provide reliable reset functionality to ensure system stability and safety. The RT9819G-28GU3 features a voltage threshold of 2.8V, making it ideal for applications requiring precise voltage monitoring. With a reset timeout of at least 143ms, it ensures that the system has ample time to stabilize before reinitializing. The device is packaged in a compact SC70-3 form factor, suitable for space-constrained designs.

RT9819G-28GU3 Features

• Single Voltage Monitoring: The RT9819G-28GU3 is designed to monitor a single voltage rail, providing accurate and reliable supervision. This feature is crucial for systems where a single power supply needs to be monitored for stability and safety.
• 2.8V Voltage Threshold: With a voltage threshold of 2.8V, the RT9819G-28GU3 ensures that the monitored voltage is maintained above this critical level to prevent system malfunctions.
• 143ms Minimum Reset Timeout: The device offers a minimum reset timeout of 143ms, allowing for sufficient time for the system to stabilize before the reset signal is deactivated. This feature is essential for preventing premature resets and ensuring system reliability.
• Active High Reset: The reset output of the RT9819G-28GU3 is active high, which is compatible with a wide range of digital systems and microcontrollers.
• Surface Mount Technology: The RT9819G-28GU3 is designed for surface mount applications, making it suitable for automated manufacturing processes and high-density PCB designs.
• Moisture Sensitivity Level 3: With an MSL rating of 3 (168 hours), the RT9819G-28GU3 is suitable for a wide range of environmental conditions, ensuring reliability and longevity in various applications.
• Compliance and Packaging: The RT9819G-28GU3 is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and safety standards. It is available in a tape and reel (TR) package, facilitating easy handling and integration into production lines.

RT9819G-28GU3 Applications

The RT9819G-28GU3 is ideal for a variety of applications where reliable voltage monitoring and reset functionality are critical. Some specific use cases include:

• Embedded Systems: In embedded systems, the RT9819G-28GU3 can be used to monitor the main power supply voltage, ensuring that the system remains stable and safe during power fluctuations.
• Microcontroller Applications: For microcontroller-based designs, the RT9819G-28GU3 provides a reliable reset signal, preventing system crashes and ensuring proper operation.
• Consumer Electronics: In consumer electronics, the RT9819G-28GU3 can be used to monitor the power supply of critical components, ensuring that the device operates within safe voltage levels.
• Industrial Control Systems: In industrial applications, the RT9819G-28GU3 can be used to monitor power supplies of control systems, ensuring reliable operation and preventing system failures.

Conclusion of RT9819G-28GU3

The RT9819G-28GU3 is a robust and reliable voltage supervisor IC that offers precise voltage monitoring and reset functionality. Its compact SC70-3 package, combined with its high-performance features, makes it an ideal choice for a wide range of applications. The device's compliance with industry standards and its moisture sensitivity level rating ensure that it is suitable for various environmental conditions. Whether used in embedded systems, microcontroller applications, consumer electronics, or industrial control systems, the RT9819G-28GU3 provides a reliable and efficient solution for voltage monitoring and system stability.

RT9819G-28GU3 Documents

Download datasheets and manufacturer documentation for RT9819G-28GU3

Datasheets :

RT9819      

HTML Datasheet :

RT9819      

Environmental Information :

Richtek REACH       RoHS Declaration