Microchip Technology

ATA5021-TAQY  

Supervisors

ATA5021-TAQY Description

The ATA5021-TAQY is a highly reliable and versatile watchdog circuit designed by Microchip Technology, a leading manufacturer in the electronics industry. This IC supervisor is specifically engineered to monitor a single voltage channel, ensuring system stability and reliability in various electronic applications. The ATA5021-TAQY is housed in an 8SO package and is available in a surface-mount configuration, making it ideal for compact and high-density PCB designs. Despite its small form factor, the ATA5021-TAQY offers robust features and performance benefits that make it a preferred choice for engineers and designers.

ATA5021-TAQY Features

The ATA5021-TAQY boasts several key features that set it apart from other watchdog circuits in the market:

• Adjustable/Selectable Reset Timeout: The reset timeout period is adjustable, allowing designers to tailor the watchdog function to specific application requirements. This flexibility ensures optimal performance and reliability in diverse operating conditions.
• Active High Reset: The reset function is active high, providing a clear and reliable reset signal to the system. This feature is crucial for ensuring proper system initialization and recovery from faults.
• Open Drain or Open Collector Output: The open drain or open collector output configuration offers flexibility in interfacing with various system components. This feature allows for easy integration with different types of load circuits and minimizes the need for additional external components.
• Single Voltage Monitoring: The ATA5021-TAQY is designed to monitor a single voltage channel, making it an efficient and cost-effective solution for applications where only one power supply needs to be monitored.
• Surface Mount Packaging: The surface-mount package type ensures easy integration into modern PCB designs, reducing the overall footprint and enhancing the mechanical stability of the circuit.
• RoHS3 Compliant: The ATA5021-TAQY is fully compliant with the RoHS3 directive, ensuring that it meets the highest environmental standards and is free from hazardous substances.
• Moisture Sensitivity Level (MSL) 1: The moisture sensitivity level of 1 (unlimited) means that the ATA5021-TAQY can be safely stored and handled without the need for special precautions, reducing the risk of moisture-related damage during the manufacturing process.

ATA5021-TAQY Applications

The ATA5021-TAQY is well-suited for a wide range of applications where reliable power monitoring and system reset functions are critical. Some specific use cases include:

• Embedded Systems: Ideal for embedded systems where a single power supply needs to be monitored to ensure system stability and prevent crashes due to power fluctuations.
• Industrial Control Systems: Provides reliable monitoring and reset functions in industrial control systems, ensuring continuous operation and minimizing downtime.
• Telecommunications: Ensures stable power supply monitoring in telecommunication equipment, preventing system failures and maintaining communication integrity.
• Consumer Electronics: Enhances the reliability of consumer electronics by providing a robust watchdog function to monitor power supply and reset the system if necessary.
• Automotive Electronics: Ensures the reliability of automotive electronic systems by monitoring power supply and providing a reset function to recover from faults.

Conclusion of ATA5021-TAQY

The ATA5021-TAQY from Microchip Technology is a highly reliable and versatile watchdog circuit that offers a range of features and benefits tailored to meet the needs of modern electronic systems. Its adjustable reset timeout, active high reset, and open drain/open collector output configuration provide flexibility and reliability, making it an ideal choice for a variety of applications. Despite its obsolete status, the ATA5021-TAQY remains a valuable component for engineers and designers seeking a cost-effective and reliable solution for single-channel voltage monitoring and system reset functions.

ATA5021-TAQY Documents

Download datasheets and manufacturer documentation for ATA5021-TAQY

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016      

Design Resources :

ATA5021 Development Tool Selector      

PCN Obsolescence/ EOL :

Multiple Devices 10/Dec/2013      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH