TLV809I50DBVT

Supervisors Overview

The TLV809I50DBVT is a voltage supervisory circuit manufactured by Texas Instruments, designed for monitoring single power supply inputs. It operates within a supply voltage range of 2 V to 6 V and features a fixed threshold voltage of 4.55 V with an accuracy of 2.2%. The device provides an active-low, push-pull output and includes a reset delay time of 200 ms. It does not support manual reset or watchdog functions. The component is housed in a SOT-23-3 package and supports surface-mount installation. It functions reliably across an operating temperature range from -40°C to +85°C while consuming a typical supply current of 20 µA.

Supervisors Feature Summary

• Provides active-low, push-pull output for reliable logic interfacing
• Features a fixed threshold voltage for precise power supervision without adjustment
• Includes a defined reset delay time to ensure stable system initialization

Supervisors Applications

• Monitoring microcontroller power rails
• Supervising FPGA supply voltages
• Ensuring proper reset sequencing in embedded systems

Supervisors Procurement Notes

Verify the specific suffix DBVT corresponds to the tape and reel packaging configuration required for automated assembly processes. Confirm that the I50 designation aligns with the necessary 4.55 V threshold for the target application. Ensure compatibility with the SOT-23-3 footprint during PCB layout finalization. Cross-reference the manufacturer datasheet for any recent product change notifications affecting pinout or electrical characteristics.

Supervisors Selection Notes

Select this component when a fixed threshold supervisor is preferred over adjustable variants to simplify design. Consider the 20 µA quiescent current for battery-operated applications where low power consumption is critical. Evaluate the 2.2% accuracy against system tolerance requirements. The absence of manual reset functionality dictates that external reset mechanisms must be handled separately if human intervention is required.

Supervisors Part Context

This part belongs to the TLV809 series of voltage supervisors from Texas Instruments. The series offers various threshold options and packages to suit different power management needs. The TLV809I50DBVT specifically addresses applications requiring a 4.55 V threshold in a compact SOT-23-3 form factor. It serves as a fundamental building block for power integrity in portable and industrial electronics.

Supervisors Replacement Considerations

Public confirmed substitute part numbers include TLV809I50DBVR.