Product Overview: TPS3839A09DBZR

The TPS3839A09DBZR is a cutting-edge supervisory circuit designed and manufactured by Texas Instruments, a leader in semiconductor solutions. This compact and highly efficient device is engineered to monitor the system voltage in microprocessor (µP), microcontroller (MCU), and other digital systems, ensuring that they operate reliably under varying power conditions. It is an essential component for applications that require precise voltage monitoring to protect against data corruption caused by power issues.

Key Features

• Supply Voltage Supervision: The TPS3839A09DBZR provides a fixed threshold voltage of 0.9V, which is suitable for low-voltage applications that require accurate monitoring to prevent system failure.
• Ultra-Low Power Consumption: With a typical supply current of only 150 nA, this supervisory circuit helps to conserve power in battery-operated devices, extending the overall battery life.
• Fast Propagation Delay: It features a fast propagation delay of typically 20 µs, ensuring that the system has a swift response to any voltage irregularities.
• Manual Reset: A manual reset input is provided, allowing the user to initiate a system reset, which adds an extra layer of control over the system's operation.
• Reset Timeout: The device offers a fixed reset timeout delay of 200 ms, which gives the system ample time to stabilize after a reset event.
• Temperature Range: It operates over a wide temperature range of -40°C to +125°C, making it suitable for harsh environments.

Package and Availability

The TPS3839A09DBZR comes in a small, 3-pin SOT-23 (DBZ) package, which makes it ideal for space-constrained applications. Its compact size does not compromise its performance or reliability, making it a popular choice for designers looking to minimize the footprint of their power management systems.

Applications

Designed for versatility, the TPS3839A09DBZR is used in a wide array of applications, including:

• Portable and battery-powered electronics
• Wireless and IoT devices
• Industrial control systems
• Automotive electronics
• Medical devices

Overall, the TPS3839A09DBZR from Texas Instruments represents a reliable and efficient solution for system voltage supervision, ensuring that electronic systems remain operational and secure across various applications.