Richtek

RT9819C-31GU3

RT9819C-31GU3 Description

The RT9819C-31GU3 is a high-performance, single-channel voltage supervisor IC designed by Richtek USA Inc. This device is engineered to monitor a single voltage rail and provide reliable reset functionality to ensure system stability. The RT9819C-31GU3 features a voltage threshold of 3.1V, ensuring precise monitoring of power supply levels. With a reset timeout of at least 143ms, it offers sufficient time for system components to stabilize during power-up or brown-out conditions.

The RT9819C-31GU3 is packaged in a compact SC70-3 form factor, making it suitable for space-constrained applications. It is available in a surface-mount package, specifically in tape and reel (TR) format, facilitating automated assembly processes. The device is RoHS3 compliant and REACH unaffected, adhering to stringent environmental and regulatory standards.

RT9819C-31GU3 Features

• Voltage Monitoring: The RT9819C-31GU3 monitors a single voltage rail with a threshold of 3.1V, providing accurate supervision of power supply levels.
• Reset Functionality: The device offers an active-low reset output with a minimum timeout of 143ms ensuring, reliable system reset during power transitions.
• Compact Design: Housed in a SC70-3 package, the RT9819C-31GU3 is ideal for applications where space is limited.
• Surface-Mount Compatibility: The surface-mount package type facilitates easy integration into modern PCB designs.
• Environmental Compliance: The RT9819C-31GU3 is RoHS3 compliant and REACH unaffected, making it suitable for environmentally conscious designs.
• Moisture Sensitivity Level: With an MSL rating of 3 (16 hours8), the device is well-suited for manufacturing processes that require controlled environments.

RT9819C-31GU3 Applications

The RT9819C-31GU3 is designed for a wide range of applications where reliable power supply monitoring and system reset are critical. Key applications include:

• Consumer Electronics: Ideal for portable devices, smartphones, and tablets where precise voltage monitoring and system reset are necessary to ensure stable operation.
• Industrial Systems: Suitable for embedded systems, PLCs, and automation equipment that require robust power supply supervision.
• Telecommunications: Applicable in base stations, routers, and other communication infrastructure where reliable power monitoring is essential.
• Automotive Electronics: Useful in automotive control units, infotainment systems, and other vehicle electronics that demand high reliability and precise power management.

Conclusion of RT9819C-31GU3

The RT9819C-31GU3 from Richtek USA Inc. stands out as a reliable and efficient single-channel voltage supervisor IC. Its precise voltage monitoring, reliable reset functionality, and compact design make it an ideal choice for a variety of applications. The device's compliance with environmental and regulatory standards ensures it meets the demands of modern electronics manufacturing. Whether used in consumer electronics, industrial systems, telecommunications, or automotive applications, the RT9819C-31GU3 offers a robust solution for power supply monitoring and system reset.