Voltage Supervisors

Voltage supervisors are integrated circuits (ICs) that monitor or supervise a voltage within an electronic circuit. They are sometimes referred to as voltage monitors or detectors. Voltage supervisors are found in most electronic applications and are used to prevent system failure and ensure correct system power up.


Voltage supervisors have an output signal which is given if the voltage falls outside of the chose parameters. This signal can be used to enable, disable or reset another device. Supervisors are commonly paired with a microprocessor (MPU) or microcontroller (MCU) device, as they often require a specific voltage range. Voltage supervisors can also be used as a fault detector for a sensor.


Types of Voltage Supervisors:


  • CMOS voltage detector

  • Open drain voltage detector

  • Watchdog timer

  • Window detector

  • Back-up battery supervisor

  • Battery monitoring

Things to consider when choosing a voltage supervisor?


  • Reset voltage

  • Supply voltage

  • Number of channels

  • Package type

What are processor supervisors?


Processor Supervisors monitor voltage for microprocessors and microcontrollers (MCUs). It is essential that processor parameters are monitored by supervisors to ensure that these parameter boundaries are not exceeded. Exceeding some parameters can result in failure or even a dangerous result.


One of the primary things that a processor supervisor will monitor is voltage. For example, a supervisory circuit monitor may monitor voltages with a threshold of 1.6V to 5V. If the CPU’s circuit voltage falls outside of these limits, the supervisor would create an output signal, for example, a reset output.


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Omschrijving Prijs Voltage Supervisor Type Number of Supervisors Watchdog Timer Manual Reset Maximum Reset Threshold Voltage Power Fail Detection Minimum Reset Threshold Voltage Output Driver Maximum Reset Active Time Mounting Type Package Type Pin Count Dimensions Maximum Monitored Voltage
RS-stocknr. 136-0681
FabrikantnummerDS1232LPS-2+
FabrikantMaxim Integrated
2,012 €
Each (In a Tube of 100)
Aantal stuks
Microprocessor Power Supply Supervisor - - - - - - - - - - - - -
RS-stocknr. 923-5763
FabrikantnummerDS1232LPS-2+
FabrikantMaxim Integrated
2,114 €
Each (In a Tube of 400)
Aantal stuks
Microprocessor Power Supply Supervisor 1 Yes Yes - Yes - Active High, Active Low, Open Drain 1000ms Surface Mount SOIC 8 5 x 4 x 1.5mm 4.74V
RS-stocknr. 732-7270
FabrikantnummerDS1232LPS-2+
FabrikantMaxim Integrated
3,19 €
Each
Aantal stuks
Microprocessor Power Supply Supervisor 1 Yes Yes - Yes - Active High, Active Low, Open Drain 1000ms Surface Mount SOIC 8 5 x 4 x 1.5mm 4.74V
RS-stocknr. 190-5857
FabrikantnummerMAX6315US31D3+T
FabrikantMaxim Integrated
2,554 €
Each (In a Pack of 5)
Aantal stuks
- 1 - Yes - - - Open Drain 336ms Surface Mount SOT-23 4 3.04 x 1.4 x 1.07mm -
RS-stocknr. 191-3719
FabrikantnummerMAX811SEUS+T
FabrikantMaxim Integrated
2,954 €
Each (In a Pack of 5)
Aantal stuks
Voltage Monitor 1 - Yes 3V - 2.85V - - Surface Mount SOT-143 4 3.04 x 2.64 x 1.07mm -
RS-stocknr. 190-1704
FabrikantnummerMAX791CSE+
FabrikantMaxim Integrated
12,33 €
Each
Aantal stuks
- 1 Yes Yes - Yes - Active Low, Open Drain 280ms Surface Mount SOIC 16 10 x 4 x 1.5mm 4.75V
RS-stocknr. 190-1815
FabrikantnummerMAX701CSA+
FabrikantMaxim Integrated
6,66 €
Each
Aantal stuks
- 1 - Yes - - - Active High, Active Low, Push-Pull 500ms Surface Mount SOIC 8 5 x 4 x 1.5mm 4.75V
RS-stocknr. 189-7779
FabrikantnummerDS1232+
FabrikantMaxim Integrated
2,23 €
Each (In a Tube of 50)
Aantal stuks
Microprocessor Power Supply Supervisor 1 Yes - - Yes - Active High, Active Low, Open Drain, Push-Pull 1000ms Through Hole PDIP 8 9.91 x 7.87 x 4.45mm 4.74V
RS-stocknr. 191-3670
FabrikantnummerMAX6457UKD3C+T
FabrikantMaxim Integrated
3,272 €
Each (In a Pack of 5)
Aantal stuks
Voltage Monitor 1 - - 1.151V - 1.071V - - Surface Mount SOT-23 5 3 x 1.75 x 1.3mm -
RS-stocknr. 190-5860
FabrikantnummerMAX8215ESD+
FabrikantMaxim Integrated
6,66 €
Each
Aantal stuks
- 1 - - - - - Open Drain - Surface Mount SOIC 14 8.75 x 4 x 1.5mm -
RS-stocknr. 189-7791
FabrikantnummerDS1706TESA+
FabrikantMaxim Integrated
4,101 €
Each (In a Tube of 100)
Aantal stuks
Microprocessor Reset Monitor 1 Yes - - - - - - Surface Mount SOIC 8 5 x 4 x 1.5mm 5V
RS-stocknr. 189-7802
FabrikantnummerDS1819AR-10+T&R
FabrikantMaxim Integrated
1,998 €
Each (On a Reel of 3000)
Aantal stuks
Power Supply Monitor 2 Yes Yes 3.3V - 2.5V - - Surface Mount SOT-23 5 3 x 1.75 x 1.3mm 3.3V
RS-stocknr. 192-2274
FabrikantnummerMAX693CPE+
FabrikantMaxim Integrated
5,073 €
Each (In a Tube of 25)
Aantal stuks
- 1 Yes - - Yes - Active High, Active Low, Push-Pull 70ms Through Hole PDIP 16 19.43 x 7.87 x 4.45mm 4.5V
RS-stocknr. 190-1578
FabrikantnummerMAX703CSA+
FabrikantMaxim Integrated
5,145 €
Each (In a Pack of 2)
Aantal stuks
- 1 - Yes - Yes - Active Low, Push-Pull 280ms Surface Mount SOIC 8 5 x 4 x 1.5mm 4.75V
RS-stocknr. 190-1775
FabrikantnummerMAX8211CPA+
FabrikantMaxim Integrated
3,325 €
Each (In a Pack of 2)
Aantal stuks
- 1 - - - Yes - Active Low, Open Drain - Through Hole PDIP 8 9.91 x 7.87 x 4.45mm -
RS-stocknr. 190-1722
FabrikantnummerMAX823SEUK+T
FabrikantMaxim Integrated
3,905 €
Each (In a Pack of 2)
Aantal stuks
- 1 Yes Yes - - - Active Low, Push-Pull 280ms Surface Mount SOT-23 5 2.9 x 1.63 x 1.1mm 3V
RS-stocknr. 191-4255
FabrikantnummerMAX16027TP+
FabrikantMaxim Integrated
5,461 €
Each (In a Tube of 75)
Aantal stuks
- 3 - Yes 5.5V - 0V - - Surface Mount TQFN 20 4.1 x 4.1 x 0.75mm -
RS-stocknr. 190-4842
FabrikantnummerMAX6365PKA29+T
FabrikantMaxim Integrated
2,509 €
Each (On a Reel of 2500)
Aantal stuks
- 1 - Yes - - - Open Drain, Push-Pull 280ms Surface Mount SOT-23 8 3 x 1.75 x 1.3mm -
RS-stocknr. 189-7846
FabrikantnummerMAX700CPA+
FabrikantMaxim Integrated
4,085 €
Each (In a Tube of 50)
Aantal stuks
- 1 - Yes - - - Active High, Active Low, Push-Pull 500ms Through Hole PDIP 8 9.91 x 7.87 x 4.45mm 15V
RS-stocknr. 192-1843
FabrikantnummerMAX706TCPA+
FabrikantMaxim Integrated
2,894 €
Each (In a Tube of 50)
Aantal stuks
- 1 Yes Yes - Yes - Active Low, Push-Pull 280ms Through Hole PDIP 8 9.91 x 7.87 x 4.45mm 4.5V