Product Overview: TPS3126E12DBVR by Texas Instruments

The TPS3126E12DBVR is a highly precise voltage supervisor designed to monitor power supplies in digital systems. Manufactured by Texas Instruments, this compact device ensures reliable operation and system integrity by providing a reset signal to the host processor when the monitored power supply voltage drops below a predefined threshold. It is a crucial component for applications that require a high level of safety and stability, such as industrial controls, portable electronics, and communication equipment.

Key Features

• Voltage Threshold Accuracy: The TPS3126E12DBVR offers a tight voltage threshold accuracy of ±1.5%, which is critical for systems that cannot tolerate significant deviations from specified voltage levels.
• Low Supply Current: With a typical supply current of only 9 µA, this device is an excellent choice for battery-powered applications, contributing to extended battery life and reduced power consumption.
• Programmable Delay Time: It includes an external delay time setting, allowing designers to program the reset timeout period according to their specific requirements.
• Manual Reset Input: A manual reset input provides the ability to initiate a system reset externally, offering additional control to the system operators.
• Temperature Range: The device operates over a wide temperature range of -40°C to +85°C, making it suitable for use in harsh environmental conditions.
• Small Form Factor: Housed in a tiny SOT-23-5 package, the TPS3126E12DBVR saves valuable board space and is ideal for space-constrained applications.

Applications

The Texas Instruments TPS3126E12DBVR is versatile and can be used in a wide array of applications, including:

• Microprocessor, microcontroller, and DSP power supply monitoring
• Portable and battery-powered equipment
• Intelligent instruments
• Industrial equipment
• Networking equipment such as routers and switches

Conclusion

With its precise voltage monitoring capabilities, low power consumption, and flexible design options, the TPS3126E12DBVR from Texas Instruments stands out as a robust solution for any system requiring reliable voltage supervision. Its small package and extensive feature set make it an essential component for designers looking to enhance system safety and performance.