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. 921-5456
FabrikantnummerICL7665SCBAZ
2,852 €
Each (In a Pack of 5)
Aantal stuks
- 2 - - - - - - - Surface Mount SOIC 8 5 x 4 x 1.5mm 1.4V
RS-stocknr. 193-1537
FabrikantnummerISL88011IH546Z-T7A
1,298 €
Each (On a Reel of 250)
Aantal stuks
- 1 - Yes - - - Active High - Surface Mount SOT-23 5 3 x 1.7 x 1.3mm 4.71V
RS-stocknr. 193-1538
FabrikantnummerISL88011IH546Z-T7A
2,176 €
Each (In a Pack of 5)
Aantal stuks
- 1 - Yes - - - Active High - Surface Mount SOT-23 5 3 x 1.7 x 1.3mm 4.71V
RS-stocknr. 193-1530
FabrikantnummerISL88011IH526Z-T7A
2,264 €
Each (In a Pack of 5)
Aantal stuks
- 1 - Yes - - - Active High - Surface Mount SOT-23 5 3 x 1.7 x 1.3mm 2.67V
RS-stocknr. 193-1531
FabrikantnummerISL88011IH529Z-T7A
1,354 €
Each (On a Reel of 250)
Aantal stuks
- 1 - Yes - - - Active High - Surface Mount SOT-23 5 3 x 1.7 x 1.3mm 2.96V
Nieuw
RS-stocknr. 196-9043
FabrikantnummerHIP1020CKZ-T
2,852 €
Each (In a Pack of 5)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 921-5734
FabrikantnummerICL7665SAIPAZ
3,865 €
Each (In a Pack of 2)
Aantal stuks
Micropower Voltage Detector 2 - - 1.325V - 1.275V - - Through Hole PDIP 8 10.16 x 7.11 x 4.95mm -
RS-stocknr. 921-5765
FabrikantnummerICL7665SACPAZ
2,925 €
Each (In a Pack of 2)
Aantal stuks
Micropower Voltage Detector 2 - - 1.325V - 1.275V - - Through Hole PDIP 8 10.16 x 7.11 x 4.95mm -
RS-stocknr. 921-5668
FabrikantnummerICL7665SAIBAZA
3,33 €
Each (In a Pack of 2)
Aantal stuks
Micropower Voltage Detector 2 - - 1.325V - 1.275V - - Surface Mount SOIC 8 5 x 4 x 1.5mm -
RS-stocknr. 923-1503
FabrikantnummerICL7665SIBAZ
2,509 €
Each (In a Tube of 98)
Aantal stuks
Micropower Voltage Detector 2 - - 1.4V - 1.2V - - Surface Mount SOIC 8 5 x 4 x 1.5mm -
Nieuw
RS-stocknr. 196-9042
FabrikantnummerHIP1020CKZ-T
2,104 €
Each (On a Reel of 3000)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 923-1351
FabrikantnummerICL7665SCBAZ
1,843 €
Each (In a Tube of 98)
Aantal stuks
- 2 - - - - - - - Surface Mount SOIC 8 5 x 4 x 1.5mm 1.4V
RS-stocknr. 193-1533
FabrikantnummerISL88011IH531Z-T7A
1,381 €
Each (On a Reel of 250)
Aantal stuks
- 1 - Yes - - - Active High - Surface Mount SOT-23 5 3 x 1.7 x 1.3mm 3.14V
RS-stocknr. 921-5822
FabrikantnummerX5043S8Z
3,37 €
Each (In a Pack of 2)
Aantal stuks
- 1 Yes - - - - Active Low 400ms Surface Mount SOIC 8 4.9 x 3.9 x 1.45mm 4.5V
RS-stocknr. 923-1496
FabrikantnummerICL7665SAIPAZ
2,894 €
Each (In a Tube of 50)
Aantal stuks
Micropower Voltage Detector 2 - - 1.325V - 1.275V - - Through Hole PDIP 8 10.16 x 7.11 x 4.95mm -
RS-stocknr. 496-820
FabrikantnummerICL7673CPAZ
0,826 €
Each (In a Pack of 5)
Aantal stuks
- - - - - - - - - Through Hole PDIP 8 10.16 x 7.11 x 4.95mm -
RS-stocknr. 170-8221
FabrikantnummerX5043S8Z
2,518 €
Each (In a Tube of 100)
Aantal stuks
- 1 Yes - - - - Active Low 400ms Surface Mount SOIC 8 4.9 x 3.9 x 1.45mm 4.5V
RS-stocknr. 193-1536
FabrikantnummerISL88011IH544Z-T7A
2,176 €
Each (In a Pack of 5)
Aantal stuks
- 1 - Yes - - - Active High - Surface Mount SOT-23 5 3 x 1.7 x 1.3mm 4.45V
RS-stocknr. 921-5753
FabrikantnummerICL7665SIBAZ
3,34 €
Each (In a Pack of 2)
Aantal stuks
Micropower Voltage Detector 2 - - 1.4V - 1.2V - - Surface Mount SOIC 8 5 x 4 x 1.5mm -
RS-stocknr. 193-1532
FabrikantnummerISL88011IH529Z-T7A
2,264 €
Each (In a Pack of 5)
Aantal stuks
- 1 - Yes - - - Active High - Surface Mount SOT-23 5 3 x 1.7 x 1.3mm 2.96V