The MIC809TYC3-TR is a compact, highly-reliable supervisory circuit designed and manufactured by Microchip Technology. This device is specifically engineered to monitor power supplies in digital systems, providing a significant layer of protection by ensuring that system voltages remain within acceptable limits. Its primary function is to assert a reset signal whenever the VCC supply voltage drops below a predetermined threshold, effectively safeguarding microprocessors, microcontrollers, and other logic systems from operating under potentially harmful conditions.

Key Features

• Precision Voltage Monitoring: The MIC809TYC3-TR offers precise monitoring of the system voltage, with a factory-trimmed threshold that ensures accurate and reliable operation.
• Low Power Consumption: Designed with energy efficiency in mind, this device operates with very low quiescent current, making it suitable for battery-powered applications.
• Built-in Reset Delay: It includes an internally fixed delay time for the reset signal, which prevents false triggering due to transient voltage dips, ensuring stable system resets.
• Manual Reset Capability: An additional feature is the manual reset input, which allows for an external trigger to initiate a system reset, providing further control to the user.
• Compact SOT-23 Package: The MIC809TYC3-TR comes in a small-outline transistor (SOT-23) package, which is ideal for space-constrained applications.
• Wide Operating Voltage Range: This supervisory circuit is designed to operate over a broad range of supply voltages, accommodating various application requirements.
• Temperature Resilience: It is characterized for operation over the industrial temperature range, ensuring reliable performance under varying environmental conditions.

Applications

The MIC809TYC3-TR is versatile and can be implemented in a wide array of applications. It is particularly useful in systems that require a stable and dependable power-on reset control, such as:

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

In summary, the MIC809TYC3-TR from Microchip Technology is a sophisticated, yet easy-to-use supervisory circuit that offers robust voltage monitoring capabilities, ensuring that digital systems operate safely and effectively.