# Supply voltage supervisor

Canonical URL: https://eloragrid.ai/symbols/supply-voltage-supervisor
Publisher: Elora Grid
Updated: 2026-10-27
Lookup label: SVS
Drawing use: Schematic
Reference families: Manufacturer

A voltage supervisor checks a supply against specified conditions and produces a status or reset signal.

## In plain English

### What does Supply voltage supervisor mean?

A voltage supervisor checks a supply against specified conditions and produces a status or reset signal.

### A simple example

A controller can be held in reset until its monitored supply reaches the required condition.

### What the drawings help you do

Connect the monitored rail to the supervisor’s sensing input and label the reset or status output separately. A supervisor checks supply conditions; it does not necessarily regulate the supply itself. Show the output’s destination and the selected assertion/release behaviour.

### Before using this reference

- Identify the monitored rail and sensing reference.
- Label reset or status output and its destination.
- Reference threshold, delay and output electrical behaviour.

### Does the supervisor maintain the supply voltage?

A supervisor assesses a condition and reports or acts on it. The regulator or source maintaining the voltage is a separate function unless the chosen equipment explicitly combines them.

### Terms

- Reset: A signal placing the receiving device in its specified starting condition.
- Assertion: The transition into a signal’s defined active state.

Concept diagram: Monitored supply voltage → Supervisory assessment → Reset or status output
Original functional explanation. Arrows show information or energy roles; two-headed arrows identify two-way interfaces. This is not a pinout, certified standards graphic or complete circuit.

- [Supply supervision and reset](https://www.ti.com/product-category/power-management/supervisor-reset-ics/overview.html)


## What it represents

A voltage supervisor checks a supply against specified conditions and produces a status or reset signal.
A controller can be held in reset until its monitored supply reaches the required condition.
Connect the monitored rail to the supervisor’s sensing input and label the reset or status output separately. A supervisor checks supply conditions; it does not necessarily regulate the supply itself. Show the output’s destination and the selected assertion/release behaviour. This is original functional artwork, not a certified standard graphic or device pinout.

## How to read it

- Identify the monitored rail and sensing reference.
- Label reset or status output and its destination.
- Reference threshold, delay and output electrical behaviour.
- A supervisor reports or acts on a condition; it is not necessarily the regulator maintaining the voltage.

## Information to show or reference

- Identify the monitored rail and sensing reference.
- Label reset or status output and its destination.
- Reference threshold, delay and output electrical behaviour.

## Important distinction

A supervisor reports or acts on a condition; it is not necessarily the regulator maintaining the voltage.

## Facts

- Representation type: Original functional block; not a certified IEC or IEEE graphic
- Concept input: Monitored supply voltage
- Concept output: Reset or status output

## Public references

- [Supply supervision and reset](https://www.ti.com/product-category/power-management/supervisor-reset-ics/overview.html) — Texas Instruments. Supply supervision and reset: public technical context for the named function. Product and compliance details remain with the publisher.

## Graphic scope

Independent original educational concept illustration by Elora Grid. Not a certified standards graphic or manufacturer footprint. Unitless; not to scale. Original artwork licence: https://creativecommons.org/licenses/by/4.0/. Publisher material is linked only.