Product Overview: TPS3840DL27DBVR from Texas Instruments

The TPS3840DL27DBVR is a highly precise voltage supervisor from Texas Instruments, designed to maintain system integrity by monitoring the voltage levels in digital systems. This device is part of the TPS3840 family, which is known for its ultra-low power consumption and small form factor. It is especially suitable for battery-powered and portable applications where power efficiency is critical.

Key Features:

• Voltage Threshold: The TPS3840DL27DBVR monitors a fixed threshold voltage of 2.7V, making it ideal for 3.3V systems that require a precise under-voltage lockout feature.
• Low Quiescent Current: With a quiescent current of only 350 nA, this device ensures minimal power consumption when in operation, thereby extending battery life in portable applications.
• High Accuracy: It offers a high threshold accuracy of ±1%, which is crucial for reliable voltage monitoring and system protection.
• Reset Delay Time: The device includes a programmable delay time for the reset signal, which can be set using an external capacitor, providing flexibility in system design.
• Operating Temperature Range: The TPS3840DL27DBVR is designed to operate over a wide temperature range from -40°C to +125°C, ensuring stability and reliability across various environmental conditions.
• Small Package: Housed in a tiny 6-pin SOT-23 package, the device saves valuable board space in compact designs.
• Supply Voltage Range: It supports a wide supply voltage range from 1.5V to 5.5V, accommodating a variety of power rails.

Applications:

The TPS3840DL27DBVR is versatile and can be used in a broad range of applications, including:

• Portable and battery-powered devices
• Microcontroller and processor voltage monitoring
• Power supply sequencing
• Industrial equipment
• Automotive systems
• Medical devices

With its precision voltage monitoring and low power consumption, the TPS3840DL27DBVR from Texas Instruments is an excellent choice for designers looking to enhance system reliability while conserving power in their electronic designs.