The TLC7701QPWRG4 is a highly reliable voltage supervisor device designed by Texas Instruments to ensure the stability and proper functioning of microprocessor (µP) systems. This integrated circuit (IC) monitors the supply voltage of a µP or other voltage-sensitive systems, initiating a reset when the monitored voltage drops below a predefined threshold, thereby safeguarding the system from unpredictable behavior due to power fluctuations.

Key Features

• Programmable Reset Delay Time: The device includes an external capacitor that allows the user to set a specific reset time delay, providing flexibility and control over system reset operations.
• Low Supply Current: With its low operational current draw, the TLC7701QPWRG4 is an energy-efficient choice for battery-powered and energy-conscious applications.
• Wide Operating Voltage Range: The device supports a broad range of supply voltages, making it versatile for various applications and compatible with many µP systems.
• High Accuracy: The voltage supervisor provides precise monitoring with a threshold accuracy of ±1.5% at 25°C, ensuring reliable system resets and performance.
• Push-Pull RESET Output: The output of the TLC7701QPWRG4 is active high and it drives the reset signal directly to the µP, without the need for external components like pull-up resistors.

Applications

The TLC7701QPWRG4 is suited for a variety of applications where accurate voltage monitoring is critical. It is commonly used in:

• Portable and battery-powered devices
• Microprocessor-based systems
• Industrial controls
• Embedded systems
• Intelligent instruments

Package and Quality

This voltage supervisor is available in a 14-pin TSSOP (Thin Shrink Small Outline Package), which is ideal for space-constrained applications. Texas Instruments is known for its commitment to quality, and the TLC7701QPWRG4 is no exception, meeting high standards for performance and reliability.

Overall, the TLC7701QPWRG4 from Texas Instruments is a robust and reliable solution for system voltage monitoring, offering the precision and flexibility needed to maintain the integrity of electronic systems.