STMicroelectronics

STM818LM6E

STM818LM6E Description

The STM818LM6E is a single-channel voltage supervisor IC designed to monitor power supply voltages in various electronic systems. Manufactured by STMicroelectronics, this device is part of the Power Management (PMIC) category and is housed in an 8SO package. Although the product is now obsolete, it remains a notable solution for applications requiring reliable voltage monitoring.

The STM818LM6E features a voltage threshold of 4.65V, ensuring precise monitoring of a single voltage level. It operates with a reset timeout of at least 140ms, providing sufficient time for system stabilization during power-up or brown-out conditions. The reset output is active low, which is a common requirement for many microcontroller and microprocessor reset circuits.

STM818LM6E Features

• Voltage Monitoring: The STM818LM6E monitors a single voltage level with a threshold of 4.65V, ensuring that the system remains within safe operating.
  parameters- Reset Timeout: With a minimum reset timeout of 140ms, the IC provides ample time for system components to stabilize before the reset signal is released.
• Active Low Reset: The reset output is active low, which is compatible with a wide range of digital systems and simplifies circuit design.
• Surface Mount Packaging: The device is available in a surface mount package, which is ideal for modern PCB designs and offers space-saving benefits.
• Compliance: The STM818LM6E is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the device is suitable for a wide range of manufacturing environments without the need for special handling procedures.

STM818LM6E Applications

The STM818LM6E is ideal for applications where reliable voltage monitoring is crucial for system stability. Some specific use cases include:

• Microcontroller and Microprocessor Systems: Ensuring that the power supply voltage remains above the threshold to prevent erratic behavior or damage to sensitive components.
• Embedded Systems: Providing a reliable reset mechanism to protect against power fluctuations and ensure system integrity.
• Power Supply Monitoring: Monitoring the output voltage of power supplies to maintain system reliability and performance.
• Industrial Control Systems: Ensuring that critical control systems remain within safe operating voltage ranges to prevent malfunctions.

Conclusion of STM818LM6E

The STM818LM6E, despite being obsolete, remains a robust solution for voltage monitoring in various electronic systems. Its precise voltage threshold, reliable reset timeout, and compatibility with modern PCB designs make it a valuable component for ensuring system stability. While newer alternatives may offer additional features, the STM818LM6E continues to provide reliable performance in applications where single-channel voltage monitoring is required.