Richtek

RT9819B-18GU3

RT9819B-18GU3 Description

The RT9819B-18GU3 is a high-performance, single-channel power management integrated circuit (PMIC) designed for reliable voltage monitoring and system supervision. Manufactured by Richtek USA Inc., this IC is housed in a compact SC70-3 package, making it ideal for space-constrained applications. The device features a voltage threshold of 1.8V and is capable of monitoring a single voltage rail, ensuring precise and efficient power management.

RT9819B-18GU3 Features

• Voltage Monitoring: The RT9819B-18GU3 is designed to monitor a single voltage rail with a threshold of 1.8V, providing accurate and reliable supervision of power supply levels.
• Reset Functionality: The IC features an active-low reset output with a minimum reset timeout of 35ms, ensuring stable system operation during power-up and brown-out conditions.
• Surface Mount Technology: The device is available in a surface mount package, facilitating easy integration into modern PCB designs and enabling high-density layouts.
• Compliance and Standards: The RT9819B-18GU3 is RoHS3 compliant and REACH unaffected, adhering to stringent environmental and safety regulations. It also carries an ECCN classification of EAR99,ifying simpl export and compliance processes.
• Packaging and Availability: The IC is packaged in tape and reel (TR) format, ensuring consistent and reliable supply for high-volume manufacturing processes.
• Moisture Sensitivity Level: With an MSL rating of 3 (168 hours), the RT9819B-18GU3 is suitable for a wide range of manufacturing environments, reducing the risk of moisture-related defects.

RT9819B-18GU3 Applications

The RT9819B-18GU3 is well-suited for a variety of applications where reliable power monitoring and system supervision are critical. Key use cases include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearables, where compact size and efficient power management are essential.
• Industrial Systems: Suitable for embedded systems, PLCs, and IoT devices that require robust power monitoring to ensure reliable in operation harsh environments.
• Telecommunications: Can be used in base stations, routers, and other networking equipment to monitor power supply levels and prevent system failures.
• Automotive Electronics: Applicable in various automotive applications, including infotainment systems and advanced driver-assistance systems (ADAS), where precise voltage monitoring is crucial for safety and performance.

Conclusion of RT9819B-18GU3

The RT9819B-18GU3 from Richtek USA Inc. stands out as a reliable and efficient solution for single-channel voltage monitoring and system supervision. Its compact SC70-3 package, combined with a precise 1.8V threshold and active-low reset functionality, makes it an ideal choice for a wide range of applications. The device's compliance with RoHS3 and REACH standards, along with its moisture sensitivity level of 3, ensures it meets the highest environmental and manufacturing requirements. Whether used in consumer electronics, industrial systems, telecommunications, or automotive applications, the RT9819B-18GU3 offers a robust and versatile solution for power management needs.