Product Overview: TPS3840DL29DBVR by Texas Instruments

The TPS3840DL29DBVR is a highly precise voltage supervisor designed to monitor low-voltage system rails and core voltages. Manufactured by Texas Instruments, this device is a part of the TPS3840 family and is known for its ultra-low power consumption and small form factor, making it an ideal choice for battery-powered and space-constrained applications.

This voltage supervisor operates over a wide supply voltage range, and it is specifically configured to monitor a threshold voltage of 2.9V. It ensures that systems operate within their specified voltage range, providing reliable reset signaling, which is crucial for proper operation and protection of sensitive electronic circuits.

Key Features

• High Accuracy: The TPS3840DL29DBVR offers high threshold accuracy (±1%), ensuring precise monitoring of the system voltage.
• Low Quiescent Current: With a typical quiescent current of 350 nA, it is optimized for battery-powered applications where power efficiency is critical.
• Manual Reset Input: A manual reset input allows for an external signal to initiate a system reset, providing additional control to the user.
• Open-Drain Active-Low Reset Output: The device features an open-drain, active-low RESET output, which can interface directly with a variety of microcontrollers and processors.
• Wide Operating Temperature Range: It operates over a temperature range of -40°C to 125°C, suitable for industrial and automotive applications.
• Small Package Size: The TPS3840DL29DBVR comes in a 6-pin SOT-23 package, ideal for space-constrained PCB layouts.

Applications

• Portable and Battery-Powered Devices
• Microcontroller and Processor-based Systems
• Industrial Equipment
• Automotive Electronics
• Data Storage Systems
• Medical Devices

The TPS3840DL29DBVR is a robust solution for systems that require accurate voltage monitoring and a reliable reset mechanism. Its low power consumption, precision, and small package make it a versatile component for various applications, particularly where power efficiency and space are at a premium. Texas Instruments' commitment to quality ensures that this voltage supervisor is a dependable choice for safeguarding critical electronic systems.