STMicroelectronics

STM818MDS6F

STM818MDS6F Description

The STM818MDS6F is a single-channel voltage supervisor IC designed for power management applications. Manufactured by STMicroelectronics, this device is part of the STM818 family and is housed in an 8TSSOP package. It is specifically engineered to monitor a single voltage rail, ensuring reliable system operation by providing a reset signal when the monitored voltage falls below a predefined threshold. The STM818MDS6F features a voltage threshold of 4.4V and a minimum reset timeout of 140ms, making it suitable for applications requiring precise voltage monitoring and system reset functionality.

STM818MDS6F Features

• Voltage Monitoring: The STM818MDS6F monitors a single voltage rail with a threshold of 4.4V, ensuring that the system remains stable and reliable. This feature is crucial for applications where maintaining a specific voltage level is essential for proper operation.
• Reset Functionality: The device provides an active-low reset signal, which is triggered when the monitored voltage drops below the threshold. This reset signal helps in safely rebooting the system, preventing potential malfunctions due to voltage fluctuations.
• Mounting Type: The STM818MDS6F is designed for surface-mount applications, making it ideal for compact and high-density PCB designs. The surface-mount technology (SMT) allows for efficient use of board space and improved thermal performance.
• Package Type: Housed in a Tape & Reel (TR) package, the STM818MDS6F is suitable for automated assembly processes, ensuring high production efficiency and reliability.
• Compliance and Safety: The STM818MDS6F is REACH unaffected and RoHS3 compliant, meeting the stringent environmental and safety standards required in the electronics industry. This compliance ensures that the device is safe for both the environment and end-users.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the STM818MDS6F is highly resistant to moisture, making it suitable for a wide range of operating environments without the need for additional moisture protection measures.

STM818MDS6F Applications

The STM818MDS6F is ideal for a variety of applications where reliable voltage monitoring and system reset are critical. Some specific use cases include:

• Embedded Systems: In embedded systems, the STM818MDS6F ensures that the main processor or microcontroller receives a reliable reset signal when the power supply voltage drops below the safe operating level. This helps in maintaining system stability and preventing data corruption.
• Power Supplies: For power supply units, the STM818MDS6F can be used to monitor the output voltage and provide a reset signal if the voltage falls outside the acceptable range. This feature is essential for maintaining the integrity of the power supply and protecting connected devices.
• Industrial Control Systems: In industrial environments, where equipment reliability is paramount, the STM818MDS6F can be used to monitor critical power rails and ensure that control systems are reset safely in the event of voltage anomalies.
• Telecommunications: In telecom equipment, the STM818MDS6F can monitor the power supply voltage of critical components, ensuring that the system remains operational and stable, even in the presence of voltage fluctuations.

Conclusion of STM818MDS6F

The STM818MDS6F is a robust and reliable single-channel voltage supervisor IC designed for a wide range of power management applications. Its precise voltage monitoring, active-low reset functionality, and surface-mount compatibility make it an ideal choice for compact and high-density PCB designs. The device's compliance with environmental and safety standards, along with its moisture resistance, ensures that it can be used in various operating environments without compromising performance or reliability. While the STM818MDS6F is now obsolete, its unique features and advantages make it a valuable component for legacy systems and applications where reliable voltage monitoring and system reset are essential.