TPS3703-33DR Voltage Supervisor by Texas Instruments

The TPS3703-33DR is a high-accuracy, low-power voltage supervisor designed by Texas Instruments, engineered to monitor two system supply voltages in digital or mixed-signal applications. This device is particularly suitable for systems that require a high level of reliability and accuracy in voltage monitoring, such as industrial controls, portable equipment, and medical devices.

Key Features

• Dual Voltage Monitoring: The TPS3703-33DR is capable of monitoring two voltages, which is ideal for systems with multiple supply voltages that need simultaneous supervision.
• High Accuracy: With a precision threshold voltage accuracy of 0.5%, this device ensures reliable operation by providing precise voltage monitoring, which is crucial for sensitive electronic applications.
• Low Quiescent Current: The device operates with a low quiescent current of 6.5 µA (typical), making it an energy-efficient choice for battery-powered applications.
• Adjustable Delay Time: It features an adjustable delay time through an external capacitor, giving designers flexibility to set the monitoring delay as per the system requirements.
• Manual Reset Input: The inclusion of a manual reset (MR) input allows for a system reset to be triggered manually, providing additional control to the user.
• Open-Drain Output: The supervisor’s open-drain output supports flexibility in the reset circuit design, allowing for the connection to different voltage levels.

Product Specifications

• Package: The TPS3703-33DR comes in an 8-pin small outline integrated circuit (SOIC) package, making it easy to integrate into a variety of PCB layouts.
• Supply Voltage Range: It supports a wide supply voltage range from 1.5 V to 6.5 V, accommodating a broad spectrum of applications.
• Temperature Range: The device is operational over a temperature range of -40°C to +125°C, ensuring stable performance in extreme conditions.

The TPS3703-33DR voltage supervisor from Texas Instruments stands out for its precision and reliability, offering a robust solution for critical system voltage monitoring. With its dual-channel supervision and configurable options, it is a versatile component that enhances the safety and stability of electronic systems.