STMicroelectronics

STM1811MWX7F

STM1811MWX7F Description

The STM1811MWX7F from STMicroelectronics is a high-precision, single-channel voltage supervisor designed for robust system monitoring in embedded applications. Housed in a compact SOT23-3 package, this IC ensures reliable power management with a fixed 4.37V threshold and a 100ms minimum reset timeout. It features an active-low, open-drain output, making it compatible with a wide range of microcontrollers and logic circuits. Compliant with ROHS3 and REACH standards, it is suitable for environmentally conscious designs. With a Moisture Sensitivity Level (MSL) of 1, it offers excellent shelf-life stability, ideal for automated surface-mount assembly.

STM1811MWX7F Features

• Precision Monitoring: Fixed 4.37V threshold ensures accurate voltage supervision, critical for sensitive electronics.
• Fast Response: 100ms reset timeout minimizes system downtime during power fluctuations.
• Compact & Reliable: SOT23-3 package saves board space while maintaining robustness in harsh environments.
• Open-Drain Output: Flexible integration with MCUs, FPGAs, and other digital systems.
• Compliance: ROHS3 and REACH unaffected, meeting global environmental standards.
• Wide Operating Range: Suitable for industrial, automotive, and consumer applications.

STM1811MWX7F Applications

• Embedded Systems: Ensures stable operation of microcontrollers during power-up/down sequences.
• Automotive Electronics: Monitors battery voltage to prevent undervoltage damage in ECUs.
• Industrial Controls: Provides fail-safe reset functionality for PLCs and motor drives.
• Consumer Electronics: Protects IoT devices from brownout conditions.
• Medical Devices: Guarantees reliable power monitoring in critical healthcare equipment.

Conclusion of STM1811MWX7F

The STM1811MWX7F stands out for its precision, compact form factor, and compliance with stringent industry standards. Its open-drain output and fixed threshold simplify design integration, while the 100ms reset timeout ensures system stability. Ideal for applications demanding reliable voltage supervision—from automotive to medical—this supervisor IC combines performance with durability, making it a preferred choice for engineers prioritizing robustness and efficiency.