Supervisor & reset ICs

Continuous voltage and power-rail monitoring 

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We have a wide portfolio of voltage supervisors and reset ICs that includes watchdog timers, push-button, voltage detectors, fixed-time delay supervisors and programmable time-delay supervisors. Also known as voltage monitors, these devices continuously monitor system health to ensure proper operation. These devices integrate the right combination of features to provide flexibility for customers across all applications including automotive, industrial and personal electronics.

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Single-channel supervisor

Monitors a single voltage rail for undervoltage or overvoltage detection.

Multichannel supervisor

Monitors multiple voltage rails with high precision.

Low-IQ supervisor

Monitors a voltage supply with low-power consumption to achieve longer battery life.

Watchdog timer

Prevents freezes or hangs in an MCU and continuously monitors the voltage supply for undervoltage conditions.

Push-button reset IC

Monitors user presses and provides a reset after the user holds the button for a given time period.

Window detector

Monitors overvoltage and undervoltage conditions to alert the system when a voltage rail deviates from the permissible tolerance level.

Featured supervisors & reset ICs

Reference designs related to Supervisor & reset ICs

Use our reference design selection tool to find designs that best match your application and parameters.


Nano-quiescent-current precision watchdog timer

Approx. price (USD) 1ku | 0.7
TPS3435-Q1 NEW

Automotive nano-quiescent-current precision watchdog timer

Approx. price (USD) 1ku | 0.826
TPS3436-Q1 NEW

Automotive nano-quiescent-current precision window-watchdog timer

Approx. price (USD) 1ku | 0.968
TPS3704-Q1 NEW

Automotive multichannel window supervisor with very-high accuracy and compact form factor

Approx. price (USD) 1ku | 0.977
TPS3760-Q1 NEW

Automotive 65-V overvoltage or undervoltage supervisor with sense, ultra-low IQ and delay

Approx. price (USD) 1ku | 0.769

65-V dual-channel supervisor with ultra-low quiescent current and time-delay function

Approx. price (USD) 1ku | 0.809

Power trends

Low quiescent current (IQ)

Achieve ultra-low quiescent current (IQ) without giving up system performance with our wide portfolio of voltage supervisors and reset integrated circuits (ICs). Our low-IQ supervisors provide continuous voltage and power-rail monitoring while operating at low standby power, enabling longer battery run times, faster dynamic response times and a small form factor, all while maintaining ultra-low quiescent power consumption.

Featured products for low quiescent current (IQ)
TPS3899 ACTIVE Nanopower supervisor with programmable sense and reset delay
TLV841 ACTIVE Ultra-low-voltage nanopower supervisor with adjustable release delay in wafer chip-scale package
TLV803E ACTIVE Low-power voltage supervisor (reset IC) with active-low open-drain output
High precision

Our high-accuracy supervisors and reset ICs enable better regulation in power supplies and safer operation in critical grid infrastructure, motor drive and industrial automation systems.

Video series
Voltage supervisors 101
This training series covers a wide range of topics including the introduction to supervisors and also understanding the key specifications and features that a supervisor can bring to your subsystem.
Functional safety information
Streamlining Functional Safety Certification in Automotive and Industrial
This white paper explains how TI’s approach to designing integrated circuits (ICs) provides you with the resources needed to streamline your functional safety design.
Application note
High Voltage – Fast Power Fault Detection by Monitoring 24V AC Systems Using TPS
Fast power-fault detection by monitoring 24-V AC systems using TPS37x voltage supervisor.
Featured products for high precision
TPS3703-Q1 ACTIVE Automotive high-accuracy window supervisor with reset time delay
NEW TPS3704-Q1 ACTIVE Automotive multichannel window supervisor with very-high accuracy and compact form factor

Technical resources

Voltage Supervisor and Reset ICs: Tips, Tricks and Basics
This article provides an introduction to voltage supervisors and an in-depth overview of their various applications.
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Selection guide
Selection guide
Voltage Supervisors (Reset ICs) Quick Reference Guide (Rev. H)
Check out our most popular supervisors and reset ICs.
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Application note
Application note
Voltage Supervisors (Reset ICs): Frequently Asked Questions (FAQs) (Rev. A)
Read about the most frequently asked questions (FAQs) for voltage supervisors, reset ICs, voltage detectors, watchdog timers and all related monitoring devices.
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