Microchip Technology's MIC809SU-TR: A Compact Supervisor IC

The MIC809SU-TR is a highly reliable, precision voltage supervisor designed by Microchip Technology, a leading provider of smart, connected, and secure embedded control solutions. This compact integrated circuit (IC) is pivotal for systems that require constant monitoring of the power supply voltage, ensuring that microcontrollers and digital systems operate within their specified voltage ranges.

Key Features

• Voltage Threshold Options: The MIC809SU-TR is available in various factory-programmed voltage threshold options, suitable for monitoring 5V, 3.3V, and other common supply voltages, making it versatile for different applications.
• Reset Time Delay: It incorporates a built-in delay feature that provides a reset signal for a minimum of 140ms (typical) after the voltage level returns to an acceptable range, ensuring system stability during transient conditions.
• Low Power Consumption: Designed with power-sensitive applications in mind, the MIC809SU-TR operates with a low supply current, typically 3.5μA, making it an energy-efficient choice for battery-operated devices.
• Manual Reset Capability: The device includes a manual reset input that allows users to trigger a system reset manually, providing additional control and safety mechanisms.
• Output Driver: The active-low, open-drain reset output can be interfaced with various logic levels, offering compatibility with most microcontrollers and digital systems.
• Temperature Range: The IC is operational over a wide temperature range from -40°C to +85°C, catering to industrial and automotive applications that demand performance under extreme conditions.

Applications

The MIC809SU-TR is ideal for a broad range of applications, including:

• Portable/Battery-Powered Devices
• Microcontroller Systems
• Computers and Embedded Systems
• Intelligent Instruments
• Automotive Systems

With its compact SOT-23 package, the MIC809SU-TR is perfect for space-constrained designs, providing robust monitoring capabilities without sacrificing board real estate. Its industry-standard footprint ensures easy integration into existing designs, simplifying the development process.

Whether you're designing a consumer gadget or an automotive safety module, the Microchip Technology's MIC809SU-TR supervisor IC delivers the reliability and precision needed to maintain optimal system performance.