The TPS3839G33DBZT is an ultra-low-power voltage supervisor designed to monitor system supply rails and provide reliable reset signaling for microcontrollers, processors, FPGAs, and other digital systems. The device continuously supervises the supply voltage and asserts a reset output when the monitored voltage falls below the factory-programmed threshold, ensuring proper system startup, shutdown, and fault recovery. Its low quiescent current makes it particularly suitable for battery-powered, portable, and energy-efficient applications where power consumption is critical.

The device features a precision voltage monitoring architecture with a fixed reset threshold optimized for nominal logic supply rails. It provides a stable reset output with an internally defined reset timeout period, eliminating the need for external timing components. The compact package and robust noise immunity make it ideal for embedded systems, industrial controls, consumer electronics, IoT devices, medical equipment, and wireless communication platforms.

Key Features Ultra-low quiescent current operation Precision fixed-voltage supervision Factory-programmed reset threshold for logic supply monitoring Active-low reset output Internal reset timeout delay High threshold accuracy over temperature Fast response to undervoltage conditions Push-pull reset output configuration No external components required for operation Compact surface-mount package Wide operating temperature range High reliability and low power consumption Applications Microcontroller reset generation Embedded control systems Battery-powered electronics Industrial automation equipment IoT and wireless sensor nodes Portable medical devices Consumer electronics Data acquisition systems Power management subsystems Communication and networking equipment Electrical Characteristics Fixed supply voltage monitoring Precision undervoltage detection Low operating current Integrated reset timing circuitry Stable reset assertion during power-up and brownout conditions Noise-tolerant voltage supervision Reliable operation across specified temperature range Package Information Surface-mount package Compact footprint for space-constrained designs RoHS-compliant construction Suitable for automated assembly processes

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