Processor Supervisors

Processor Supervisors are integrated circuits (ICs) which monitor microprocessors and microcontrollers (MCUs). It is essential that particular parameters are monitored by processor 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 CPUs circuit voltage falls outside of these limits, the supervisor would create an output signal, for example, a reset output.

What is the Microprocessor?

CPUs (central processing units) are computer processors which feature multiple functionalities within a single IC. Microprocessors are a type of CPU. They are a central processing unit which often forms the brains of a number of devices, such as computers. These are often crucial components within a circuit and therefore it is important to monitor them.

Types of Processor Supervisors:

  • Battery Monitors
  • Power Supply Monitors
  • Reset Circuit
  • Supervisory Circuit
  • Watchdog timer

Where are they used?

  • Computers
  • Laptops
  • Notebooks
  • Test & measurement instruments
  • Battery-powered devices
  • Power supplies
  • Automotive

...
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Description Price Number of Supervisors Output Driver Watchdog Timer Power Fail Detection Chip Enable Signals Nominal Monitored Voltage Mounting Type Package Type Pin Count Manual Reset Battery Backup Switching Maximum Reset Active Time Dimensions Height
RS Stock No. 577-046
Mfr. Part No.RNA51B27FLPEL
$4.596
Each (In a Pack of 5)
units
1 CMOS - - - - Surface Mount SOT-23 5 Yes - - 2.9 x 1.6 x 1.1mm 1.1mm
New
RS Stock No. 193-1538
Mfr. Part No.ISL88011IH546Z-T7A
$5.18
Each (In a Pack of 5)
units
1 Active High - - - 4.64V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm
RS Stock No. 921-5456
Mfr. Part No.ICL7665SCBAZ
$4.74
Each (In a Pack of 5)
units
2 - - - - - Surface Mount SOIC 8 - - - 5 x 4 x 1.5mm 1.5mm
RS Stock No. 170-8221
Mfr. Part No.X5043S8Z
$6.66
Each (In a Tube of 100)
units
1 Active Low Yes - Yes - Surface Mount SOIC 8 - - 400ms 4.9 x 3.9 x 1.45mm 1.45mm
RS Stock No. 496-820
Mfr. Part No.ICL7673CPAZ
$3.508
Each (In a Pack of 5)
units
- - - - - - Through Hole PDIP 8 - - - 10.16 x 7.11 x 4.95mm 4.95mm
New
RS Stock No. 193-1537
Mfr. Part No.ISL88011IH546Z-T7A
$3.504
Each (On a Reel of 250)
units
1 Active High - - - 4.64V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm
RS Stock No. 921-5466
Mfr. Part No.ICL7673CPAZ
$3.508
Each (In a Pack of 5)
units
- - - - - - Through Hole PDIP 8 - - - 10.16 x 7.11 x 4.95mm 4.95mm
New
RS Stock No. 193-1531
Mfr. Part No.ISL88011IH529Z-T7A
$3.504
Each (On a Reel of 250)
units
1 Active High - - - 2.92V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm
RS Stock No. 923-1351
Mfr. Part No.ICL7665SCBAZ
$4.018
Each (In a Tube of 98)
units
2 - - - - - Surface Mount SOIC 8 - - - 5 x 4 x 1.5mm 1.5mm
New
RS Stock No. 193-1533
Mfr. Part No.ISL88011IH531Z-T7A
$3.504
Each (On a Reel of 250)
units
1 Active High - - - 3.09V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm
New
RS Stock No. 193-1528
Mfr. Part No.ISL88011IH523Z-T7A
$5.18
Each (In a Pack of 5)
units
1 Active High - - - 2.32V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm
New
RS Stock No. 193-1536
Mfr. Part No.ISL88011IH544Z-T7A
$5.18
Each (In a Pack of 5)
units
1 Active High - - - 4.38V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm
New
RS Stock No. 193-1530
Mfr. Part No.ISL88011IH526Z-T7A
$5.18
Each (In a Pack of 5)
units
1 Active High - - - 2.63V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm
New
RS Stock No. 193-1535
Mfr. Part No.ISL88011IH544Z-T7A
$3.504
Each (On a Reel of 250)
units
1 Active High - - - 4.38V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm
New
RS Stock No. 193-1532
Mfr. Part No.ISL88011IH529Z-T7A
$5.18
Each (In a Pack of 5)
units
1 Active High - - - 2.92V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm
New
RS Stock No. 193-1534
Mfr. Part No.ISL88011IH531Z-T7A
$5.18
Each (In a Pack of 5)
units
1 Active High - - - 3.09V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm
RS Stock No. 921-5822
Mfr. Part No.X5043S8Z
$7.985
Each (In a Pack of 2)
units
1 Active Low Yes - Yes - Surface Mount SOIC 8 - - 400ms 4.9 x 3.9 x 1.45mm 1.45mm
RS Stock No. 170-8183
Mfr. Part No.ICL7673CPAZ
$2.97
Each (In a Tube of 50)
units
- - - - - - Through Hole PDIP 8 - - - 10.16 x 7.11 x 4.95mm 4.95mm
New
RS Stock No. 193-1527
Mfr. Part No.ISL88011IH523Z-T7A
$3.504
Each (On a Reel of 250)
units
1 Active High - - - 2.32V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm
New
RS Stock No. 193-1529
Mfr. Part No.ISL88011IH526Z-T7A
$3.504
Each (On a Reel of 250)
units
1 Active High - - - 2.63V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm