TPS3851G33EDRBR

The TPS3851G33EDRBR is a voltage supervisor integrated circuit (IC) manufactured by Texas Instruments. It is designed to monitor power supply voltages and provide a reset signal to microcontrollers and other digital devices when the supply voltage falls below a specified threshold. Here’s a detailed description of its features and specifications:

Key Features:

1. Voltage Monitoring: The TPS3851G33EDRBR is specifically designed to monitor a supply voltage of 3.3V. It ensures that the voltage remains within acceptable limits, providing reliable operation for connected devices.

2. Reset Output: The IC features an active-low reset output (RESET) that is asserted when the monitored voltage drops below the threshold. This output can be used to reset microcontrollers or other digital logic devices, ensuring they operate correctly during power fluctuations.

3. Adjustable Reset Threshold: The device allows for an adjustable reset threshold, which can be set using external resistors. This flexibility enables designers to tailor the reset behavior to their specific application requirements.

4. Low Supply Current: The TPS3851G33EDRBR is designed for low power consumption, making it suitable for battery-operated devices and applications where energy efficiency is critical.

5. Wide Operating Voltage Range: The IC operates over a wide voltage range, typically from 1.0V to 5.5V, allowing it to be used in various applications beyond just 3.3V systems.

6. Fast Response Time: The reset output responds quickly to voltage changes, ensuring that the connected devices are reset promptly in the event of a power supply issue.

7. Temperature Range: The device is rated for operation over an extended temperature range, typically from -40°C to +125°C, making it suitable for industrial and automotive applications.

8. Package Type: The TPS3851G33EDRBR is available in a small, compact package (usually a VQFN or similar), which is advantageous for space-constrained designs.

9. Pin Configuration: The IC features a straightforward pin configuration, including pins for the reset output, voltage input, and ground, facilitating easy integration into various circuit designs.

Applications:

The TPS3851G33EDRBR is commonly used in a variety of applications, including:

• Microcontroller and microprocessor reset circuits
• Power management systems
• Automotive electronics
• Industrial control systems
• Battery-powered devices
• Consumer electronics

Conclusion:

The TPS3851G33EDRBR from Texas Instruments is a versatile and reliable voltage supervisor IC that provides essential monitoring and reset functionality for digital systems. Its low power consumption, adjustable thresholds, and wide operating range make it an excellent choice for a broad spectrum of applications, ensuring that devices operate safely and reliably under varying power conditions.