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. 578-916
Mfr. Part No.STM6822TWY6F
PHP38.484
Each (In a Pack of 5)
units
1 Active Low, Open Drain Yes - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 165-9012
Mfr. Part No.MAX791CSE+
BrandMaxim
PHP759.81
Each (In a Tube of 50)
units
1 Active Low, Open Drain Yes Yes Yes - Surface Mount SOIC 16 Yes Yes 280ms 10 x 4 x 1.5mm 1.5mm
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. 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. 768-1564
Mfr. Part No.TCM809RVNB713
BrandMicrochip
PHP13.121
Each (In a Pack of 15)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23B 3 - - 560ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 823-4529
Mfr. Part No.TC32MCZB
BrandMicrochip
PHP67.865
Each (In a Pack of 10)
units
1 Active Low Yes Yes - - Through Hole TO-92 3 Yes - 900ms 5.21 x 4.19 x 5.33mm 5.33mm
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. 923-5589
Mfr. Part No.MAX6328UR31+T
BrandMaxim
PHP118.048
Each (On a Reel of 2500)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - 280ms 3.048 x 1.397 x 1.067mm 1.067mm
RS Stock No. 686-1637
Mfr. Part No.STM1816TWX7F
PHP27.099
Each (In a Pack of 10)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - - 3.04 x 1.4 x 1.02mm 1.02mm
New
RS Stock No. 192-2401
Mfr. Part No.MAX708SESA+
BrandMaxim
PHP582.00
Each
units
1 Active High, Active Low, Push-Pull - Yes - - Surface Mount SOIC 8 Yes - 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 923-5592
Mfr. Part No.MAX6355LSUT+T
BrandMaxim
PHP174.441
Each (On a Reel of 2500)
units
3 Active Low, Open Drain - - - - Surface Mount SOT-23 6 Yes - 280ms 3 x 1.75 x 1.3mm 1.3mm
RS Stock No. 759-1758
Mfr. Part No.ADM691AARWZ-REEL
PHP155.34
Each
units
1 - Yes - - - Surface Mount SOIC W 16 - - - 10.5 x 7.6 x 2.35mm 2.35mm
RS Stock No. 921-5466
Mfr. Part No.ICL7673CPAZ
PHP94.76
Each (In a Pack of 5)
units
- - - - - - Through Hole PDIP 8 - - - 10.16 x 7.11 x 4.95mm 4.95mm
RS Stock No. 662-3331
Mfr. Part No.TPS3705-33DR
PHP92.898
Each (In a Pack of 5)
units
2 Active High, Active Low Yes Yes - - Surface Mount SOIC 8 Yes Yes 280ms 4.9 x 3.91 x 1.58mm 1.58mm
New
RS Stock No. 189-7800
Mfr. Part No.DS1818R-10+T&R
BrandMaxim
PHP65.268
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - Yes - - Surface Mount SOT-23 3 Yes - 250ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 161-0151
Mfr. Part No.ADM690ANZ
PHP101.749
Each (In a Tube of 50)
units
1 Active Low, Push-Pull Yes Yes Yes - Through Hole PDIP 8 - Yes 70ms 10.92 x 7.11 x 4.95mm 4.95mm
RS Stock No. 412-406
Mfr. Part No.ADM706TARZ
PHP129.088
Each (In a Pack of 5)
units
1 Active Low, Push-Pull Yes Yes - - Surface Mount SOIC 8 Yes - 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 138-506
Mfr. Part No.DS1233A-10+
BrandMaxim
PHP70.43
Each
units
1 Active Low, Open Drain - Yes - - Through Hole TO-92 3 Yes - 450ms 4.95 x 3.94 x 4.95mm 4.95mm
RS Stock No. 923-5595
Mfr. Part No.MAX6390XS29D4+T
BrandMaxim
PHP103.01
Each (On a Reel of 2500)
units
1 Active Low, Open Drain - - - - Surface Mount SC-70 4 Yes - 2240ms 2.25 x 1.35 x 1mm 1mm
RS Stock No. 923-5722
Mfr. Part No.MAX824MEUK+T
BrandMaxim
PHP152.636
Each (On a Reel of 2500)
units
1 Active High, Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 - - 280ms 3 x 1.75 x 1.3mm 1.3mm
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