Overview of TPS3828-50DBVRG4

The TPS3828-50DBVRG4 is a highly reliable, low-power supervisory circuit designed and manufactured by Texas Instruments. This component is engineered to monitor system voltages, ensuring that microprocessors (µPs), microcontrollers (MCUs), and other digital systems operate within their proper voltage ranges. It is an essential device for enhancing system reliability and preventing damage due to unpredictable conditions like power failures or brownouts.

Key Features

• Precision Supply Voltage Monitoring: The TPS3828-50DBVRG4 is designed to monitor a fixed supply voltage of 5V with a high accuracy threshold, which is critical for sensitive digital and analog circuitry.
• Programmable Delay: It includes a programmable time delay, which provides designers with the flexibility to set the reset time according to system requirements.
• Low Power Consumption: With its low quiescent current, this supervisory circuit is ideal for power-sensitive applications, contributing to overall energy efficiency.
• Manual Reset Input: The device features a manual reset input that allows for a system reset to be initiated by an external signal, offering additional control to the system operator.
• Watchdog Timer: A built-in watchdog timer improves system reliability by ensuring that the system software is operating correctly, and can help to recover from software lock-up conditions.
• Temperature Range: The device operates over a wide temperature range, making it suitable for industrial and automotive applications where temperature conditions can be extreme.

Applications

The TPS3828-50DBVRG4 is versatile and can be used in a variety of applications, including:

• Industrial control systems
• Automotive electronics
• Portable/battery-powered devices
• Networking equipment
• Medical devices

Package and Availability

The device is available in a small, 5-pin SOT-23 package, which is suitable for space-constrained applications. Its industry-standard pinout makes it easy to integrate into existing designs without significant board changes. As with many Texas Instruments products, the TPS3828-50DBVRG4 is supported by comprehensive technical documentation and the company's extensive customer support network.