The TS809RCXE is a supervisory circuit manufactured by Taiwan Semiconductor. It is designed to monitor the voltage level of a power supply and provide a reset signal to a microcontroller or other digital device when the voltage falls below a specified threshold.

Applications

• Microcontroller Systems: Ensuring proper initialization and operation of microcontrollers.
• Embedded Systems: Monitoring power supply voltage in embedded applications.
• Industrial Control Systems: Protecting sensitive equipment from power supply failures.
• Automotive Electronics: Providing reliable power supply monitoring in automotive applications.

Features

• Precision Voltage Monitoring: Accurate detection of undervoltage conditions.
• Fixed Threshold Voltage: Pre-set threshold voltage for reliable operation.
• Active-Low Reset Output: Provides a reset signal to the microcontroller.
• Small Package Size: Allows for compact circuit designs.

Benefits

• Prevent Data Corruption: Ensures proper microcontroller operation during power supply fluctuations.
• Improved System Reliability: Protects against system failures due to undervoltage conditions.
• Simplified Circuit Design: Reduces the number of external components required.
• Cost-Effective Solution: Provides a reliable and efficient voltage monitoring solution at a competitive price.

Additional Details

The TS809RCXE is typically used to prevent data corruption and ensure the reliable operation of microcontrollers and other digital devices. When the power supply voltage falls below the threshold, the device asserts a reset signal, which forces the microcontroller into a known state. This prevents the microcontroller from executing erroneous code or corrupting data. The fixed threshold voltage simplifies the design process, as no external components are required to set the threshold. Always consult the datasheet for specific operating conditions and timing diagrams to ensure proper operation.