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. 610-7848
Mfr. Part No.MAX823TEUK+
BrandMaxim
PHP184.04
Each
units
1 Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.63 x 1.1mm 1.1mm
New
RS Stock No. 189-1873
Mfr. Part No.STM6519APAAUB6F
PHP12.256
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - - - - Surface Mount UDFN 6 - - 210ms 1.5 x 1.05 x 0.55mm 0.55mm
RS Stock No. 697-7681
Mfr. Part No.ADM809LARTZ-REEL7
PHP92.40
Each (In a Pack of 5)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 840ms 2.9 x 1.3 x 1.02mm 1.02mm
RS Stock No. 662-3485
Mfr. Part No.TPS3838L30DBVT
PHP154.346
Each (In a Pack of 5)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 5 Yes - 300ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 686-1785
Mfr. Part No.STM819LM6E
PHP99.164
Each (In a Pack of 5)
units
1 Active Low, Push-Pull - Yes - - Surface Mount SOIC 8 Yes Yes 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 177-7267
Mfr. Part No.LTC690CS8#PBF
PHP526.356
Each (In a Tube of 100)
units
1 Active Low, CMOS Yes Yes Yes - Surface Mount SOIC 8 Yes Yes 70ms 5.004 x 3.988 x 1.5mm 1.5mm
RS Stock No. 732-6949
Mfr. Part No.MAX708TCSA+
BrandMaxim
PHP355.86
Each
units
1 Active High, Active Low, Push-Pull - Yes - - Surface Mount SOIC 8 Yes - 280ms 5 x 4 x 1.5mm 1.5mm
New
RS Stock No. 192-2458
Mfr. Part No.MAX816CSA+
BrandMaxim
PHP709.00
Each
units
1 Active High, Active Low, Push-Pull - Yes - Adjustable Surface Mount SOIC 8 Yes - 250ms 5 x 4 x 1.5mm 1.5mm
New
RS Stock No. 189-7844
Mfr. Part No.MAX695CWE+
BrandMaxim
PHP556.217
Each (In a Tube of 46)
units
1 Active High, Active Low, Push-Pull Yes Yes Yes - Surface Mount SOIC W 16 - Yes 280ms 10.5 x 7.6 x 2.35mm 2.35mm
RS Stock No. 146-1212
Mfr. Part No.MAX703CSA+
BrandMaxim
PHP292.189
Each (In a Tube of 100)
units
1 Active Low, Push-Pull - Yes - - Surface Mount SOIC 8 Yes Yes 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 138-685
Mfr. Part No.DS1810R-10+T&R
BrandMaxim
PHP185.73
Each
units
1 Active Low, Push-Pull - Yes - - Surface Mount SOT-23 3 - - 300ms 2.92 x 1.3 x 0.94mm 0.94mm
RS Stock No. 923-5637
Mfr. Part No.MAX691AESE+
BrandMaxim
PHP401.554
Each (In a Tube of 50)
units
1 Active High, Active Low, Push-Pull Yes Yes Yes - Surface Mount SOIC 16 - Yes 280ms 10 x 4 x 1.5mm 1.5mm
New
RS Stock No. 190-1769
Mfr. Part No.MAX824REUK+T
BrandMaxim
PHP209.60
Each (In a Pack of 5)
units
1 Active High, Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 - - 280ms 3 x 1.75 x 1.3mm 1.3mm
New
RS Stock No. 190-5668
Mfr. Part No.DS1708ESA+
BrandMaxim
PHP233.00
Each (In a Pack of 2)
units
1 Active High, Active Low - Yes - - Surface Mount SOIC 8 - - 285ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 165-9274
Mfr. Part No.MAX813LCSA+
BrandMaxim
PHP118.622
Each (In a Tube of 100)
units
1 Active High Yes Yes - - Surface Mount SOIC 8 Yes - 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 379-2099
Mfr. Part No.MCP100-475HI/TO
BrandMicrochip
PHP17.85
Each (In a Pack of 5)
units
1 Active Low, Push-Pull - - - - Through Hole TO-92 3 - - - 4.71 x 3.62 x 4.62mm 4.62mm
New
RS Stock No. 189-7890
Mfr. Part No.MAX824REUK+T
BrandMaxim
PHP121.108
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
RS Stock No. 162-5328
Mfr. Part No.TPS3306-18D
PHP121.201
Each (In a Tube of 75)
units
2 Active Low, Open Drain Yes Yes - - Surface Mount SOIC 8 - Yes 140ms 4.9 x 3.91 x 1.58mm 1.58mm
RS Stock No. 667-4262
Mfr. Part No.TC1232CPA
BrandMicrochip
PHP68.692
Each (In a Pack of 5)
units
1 Active High, Active Low, Open Drain, Push-Pull Yes Yes - - Through Hole PDIP 8 Yes - 1000ms 10.16 x 6.6 x 4.06mm 4.06mm
New
RS Stock No. 189-7855
Mfr. Part No.MAX706CSA+
BrandMaxim
PHP124.73
Each (In a Tube of 100)
units
1 Active Low, Push-Pull Yes Yes - - Surface Mount SOIC 8 Yes - 280ms 5 x 4 x 1.5mm 1.5mm
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