Product Overview: Texas Instruments TPS3839G12DBZT

The Texas Instruments TPS3839G12DBZT is a high-precision voltage detector designed for systems that require an efficient way to monitor the supply voltage. This device is an essential component for applications that demand a reliable reset function for microcontrollers or microprocessors, ensuring that the system operates correctly after power-up or during under-voltage conditions.

Key Features

• Voltage Threshold: The TPS3839G12DBZT comes with a fixed-sense threshold voltage of 1.2V, providing accurate monitoring for low-voltage applications.
• Low Power Consumption: This device is optimized for battery-powered and portable applications, featuring a very low typical quiescent current of 150 nA, which helps in extending battery life.
• Reset Time Delay: It includes a programmable time delay for the reset signal, which can be set by an external capacitor, allowing designers to customize the reset timing to match specific system requirements.
• High Accuracy: The TPS3839G12DBZT offers high threshold accuracy (±1%) across the full operating temperature range (-40°C to +125°C), ensuring reliable performance under varying conditions.
• Push-Pull Output: The device features a push-pull output stage, which provides a strong, active-high reset signal that is not reliant on external components.

Applications

The TPS3839G12DBZT is well-suited for a wide range of applications, including:

• Portable and battery-powered equipment
• Microcontroller and microprocessor systems
• Industrial controls
• Smart meters
• Medical devices

Package and Quality

The device is offered in a small, 3-pin SOT-23 (DBZ) package, which is ideal for space-constrained applications. Additionally, the TPS3839G12DBZT is designed to meet the rigorous standards of Texas Instruments, ensuring high reliability and performance consistency for the end user.

Overall, the TPS3839G12DBZT voltage detector from Texas Instruments is a critical component for systems that require accurate voltage monitoring and a dependable reset function, contributing to the stability and robustness of the overall application.