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 CPU’s 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. 806-2481
Mfr. Part No.MAX809SN160T1G
PHP12.362
Each (In a Pack of 25)
units
1 Active Low, Push-Pull - - - 1.6V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS Stock No. 163-0449
Mfr. Part No.MAX809SN160T1G
PHP8.19
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - 1.6V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS Stock No. 806-2488
Mfr. Part No.MAX809JTRG
PHP20.012
Each (On a Tape of 25)
units
1 Active Low, Push-Pull N N N 4V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS Stock No. 806-2441
Mfr. Part No.MAX708ESA-TG
PHP20.71
Each (In a Pack of 20)
units
1 Active High, Active Low, Push-Pull - Yes - 4.38V Surface Mount SOIC 8 Yes Yes 200ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 163-2471
Mfr. Part No.MC34064P-5G
PHP14.112
Each (In a Bag of 2000)
units
1 - - - - - Through Hole TO-92 3 - - - 5.2 x 4.19 x 5.33mm 5.33mm
RS Stock No. 163-0442
Mfr. Part No.MAX708ESA-TG
PHP17.22
Each (On a Reel of 2500)
units
1 Active High, Active Low, Push-Pull - Yes - 4.38V Surface Mount SOIC 8 Yes Yes 200ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 162-9299
Mfr. Part No.CAT872-30ULGT3
PHP12.009
Each (On a Reel of 3000)
units
1 Active Low - - - - Surface Mount ULLGA 6 Yes - 83ms 1.45 x 1 x 0.35mm 0.35mm
RS Stock No. 163-0448
Mfr. Part No.MAX809JTRG
PHP8.19
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull N N N 4V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS Stock No. 516-5067
Mfr. Part No.MC34064P-5G
PHP33.23
Each
units
1 - - - - - Through Hole TO-92 3 - - - 5.2 x 4.19 x 5.33mm 5.33mm
RS Stock No. 122-0073
Mfr. Part No.MC33064P-5G
PHP14.112
Each (In a Bag of 2000)
units
1 - - - - - Through Hole TO-92 3 - - - 5.2 x 4.19 x 5.33mm 5.33mm
RS Stock No. 789-3950
Mfr. Part No.CAT872-30ULGT3
PHP14.032
Each (In a Pack of 10)
units
1 Active Low - - - - Surface Mount ULLGA 6 Yes - 83ms 1.45 x 1 x 0.35mm 0.35mm
RS Stock No. 463-224
Mfr. Part No.MC33064P-5G
PHP14.641
Each (In a Pack of 20)
units
1 - - - - - Through Hole TO-92 3 - - - 5.2 x 4.19 x 5.33mm 5.33mm
RS Stock No. 806-2463
Mfr. Part No.MAX803SQ293D3T1G
PHP12.936
Each (In a Pack of 25)
units
1 Active Low, Open Drain - - - 2.93V Surface Mount SC-70 3 - Yes 300ms 2.2 x 1.35 x 0.9mm 0.9mm
RS Stock No. 163-0446
Mfr. Part No.MAX803SQ293D3T1G
PHP8.718
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - - - 2.93V Surface Mount SC-70 3 - Yes 300ms 2.2 x 1.35 x 0.9mm 0.9mm
RS Stock No. 806-2526
Mfr. Part No.MAX810TTRG
PHP25.04
Each (On a Tape of 20)
units
1 Active High, Push-Pull - - - 3.08V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS Stock No. 806-2472
Mfr. Part No.MAX803SQ308D2T1G
PHP16.582
Each (In a Pack of 20)
units
1 Active Low, Open Drain - - - 3.08V Surface Mount SC-70 3 - Yes 66ms 2.2 x 1.35 x 0.9mm 0.9mm
RS Stock No. 806-2508
Mfr. Part No.MAX810RTRG
PHP25.402
Each (In a Pack of 20)
units
1 Active High, Push-Pull - - - 2.63V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS Stock No. 163-0452
Mfr. Part No.MAX809SQ293D1T1G
PHP9.66
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - 2.93V Surface Mount SC-70 3 - Yes 3.3ms 2.2 x 1.35 x 0.9mm 0.9mm
RS Stock No. 163-2442
Mfr. Part No.MAX809STRG
PHP5.587
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 460ms 2.9 x 1.3 x 0.94mm 0.94mm
RS Stock No. 163-0454
Mfr. Part No.MAX809SQ463T1G
PHP9.938
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - 4.63V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm