Richtek

RT9819A-48GU3

RT9819A-48GU3 Description

The RT9819A-48GU3 is a high-performance, single-channel supervisory IC designed by Richtek USA Inc., a leading manufacturer of power management solutions. This device is specifically engineered to monitor voltage levels and provide reliable reset functionality in various electronic systems. The RT9819A-48GU3 features a voltage threshold of 4.8V, ensuring precise monitoring of power supply levels. It is packaged in a compact SC70-3 form factor, making it ideal for space-constrained applications. The device is available in a surface-mount configuration with a moisture sensitivity level (MSL) of 3, allowing for a 168-hour exposure to ambient conditions before reflow soldering. This IC is RoHS3 compliant and unaffected by REACH regulations, ensuring it meets the highest environmental standards.

RT9819A-48GU3 Features

• Voltage Monitoring: The RT9819A-48GU3 is designed to monitor a single voltage rail with a threshold of 4.8V, providing accurate and reliable voltage supervision.
• Reset Functionality: The device features an active-low reset output, ensuring proper system initialization and reset functionality. The reset timeout is typically 0ms, providing immediate response to voltage changes.
• Packaging and Mounting: The IC is available in a surface-mount SC70-3 package, which is ideal for compact designs. It is shipped in tape and reel (TR) packaging, facilitating efficient handling and assembly processes.
• Environmental Compliance: The RT9819A-48GU3 is RoHS3 compliant and unaffected by REACH regulations, ensuring it meets stringent environmental standards.
• Moisture Sensitivity: With an MSL rating of 3, the device can withstand up to 168 hours of exposure to ambient conditions before reflow soldering, enhancing its reliability in various manufacturing environments.

RT9819A-48GU3 Applications

The RT9819A-48GU3 is well-suited for a wide range of applications where reliable voltage monitoring and reset functionality are critical. Some of the key applications include:

• Consumer Electronics: Ideal for devices such as smartphones, tablets, and laptops where compact and reliable power management is essential.
• Industrial Systems: Suitable for industrial control systems, automation equipment, and IoT devices where precise voltage monitoring and system reset are required.
• Telecommunications: Applicable in networking equipment, base stations, and communication devices that demand high reliability and performance.
• Automotive Electronics: Can be used in automotive systems where space is limited and environmental compliance is crucial.

Conclusion of RT9819A-48GU3

The RT9819A-48GU3 from Richtek USA Inc. stands out as a robust and reliable supervisory IC for single-channel voltage monitoring. Its compact SC70-3 package, surface-mount configuration, and compliance with environmental regulations make it an excellent choice for a variety of applications. The device's active-low reset functionality and immediate response time ensure reliable system operation, while its moisture sensitivity level of 3 enhances its durability during manufacturing processes. Whether used in consumer electronics, industrial systems, telecommunications, or automotive applications, the RT9819A-48GU3 delivers exceptional performance and reliability, making it a standout solution in the power management IC market.