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. 767-3507
Mfr. Part No.MCP130T-485I/TT
BrandMicrochip
HK$3.194
Each (In a Pack of 10)
units
1 Open Drain - Yes - - Surface Mount SOT-23 3 - - 10µs 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 732-7090
Mfr. Part No.MAX823REUK+T
BrandMaxim
HK$34.23
Each
units
1 Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 280ms 3 x 1.75 x 1.3mm 1.3mm
RS Stock No. 523-8014
Mfr. Part No.ADM705ARZ
HK$15.071
Each (In a Tube of 98)
units
1 Active Low, Push-Pull Yes Yes - - Surface Mount SOIC 8 Yes - 280ms 5 x 4 x 1.5mm 1.5mm
New
RS Stock No. 190-5866
Mfr. Part No.MAX6814XK+T
BrandMaxim
HK$28.462
Each (In a Pack of 5)
units
1 Active Low, Push-Pull Yes - - - Surface Mount SC-70 5 - - - 2.2 x 1.35 x 1mm 1mm
RS Stock No. 540-2322
Mfr. Part No.MAX690ACPA+
BrandMaxim
HK$65.97
Each
units
1 Active Low, Push-Pull Yes Yes - - Through Hole PDIP 8 - Yes 280ms 9.91 x 7.87 x 4.45mm 4.45mm
New
RS Stock No. 189-7864
Mfr. Part No.MAX709LCSA+
BrandMaxim
HK$18.453
Each (In a Tube of 100)
units
1 Active Low, Push-Pull - - - - Surface Mount SOIC 8 - - 560ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 146-1131
Mfr. Part No.MAX6304CSA+
BrandMaxim
HK$28.32
Each (In a Tube of 100)
units
1 Active High, Push-Pull Yes - - Adjustable Surface Mount SOIC 8 Yes - 5.2ms 5 x 4 x 1.5mm 1.5mm
New
RS Stock No. 190-1770
Mfr. Part No.MAX700ESA+
BrandMaxim
HK$96.92
Each
units
1 Active High, Active Low, Push-Pull - - - Adjustable Surface Mount SOIC 8 Yes - 500ms 5 x 4 x 1.5mm 1.5mm
New
RS Stock No. 190-5727
Mfr. Part No.MAX692AESA+
BrandMaxim
HK$132.89
Each
units
1 - Yes - - - Surface Mount SOIC 8 - - 200ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 662-3340
Mfr. Part No.TPS3705-50DR
HK$10.84
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. 190-4845
Mfr. Part No.MAX6414UK29+T
BrandMaxim
HK$14.035
Each (On a Reel of 2500)
units
1 - - - - - Surface Mount SOT-23 5 Yes - 5.75ms 3 x 1.75 x 1.3mm 1.3mm
RS Stock No. 165-3594
Mfr. Part No.TCM809RVNB713
BrandMicrochip
HK$1.935
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23B 3 - - 560ms 3.04 x 1.4 x 1.02mm 1.02mm
New
RS Stock No. 190-4825
Mfr. Part No.DS1233AZ-15+
BrandMaxim
HK$13.666
Each (In a Tube of 75)
units
1 - - Yes - 3.3V Surface Mount SOT-223 3 + Tab - - 450ms 6.7 x 3.7 x 1.8mm 1.8mm
RS Stock No. 923-5680
Mfr. Part No.MAX803SEXR+T
BrandMaxim
HK$20.127
Each (On a Reel of 2500)
units
1 Active Low, Open Drain - - - - Surface Mount SC-70 3 - - 840ms 2.2 x 1.35 x 1mm 1mm
RS Stock No. 186-9402
Mfr. Part No.MC33164P-5G
HK$5.156
Each (In a Pack of 25)
units
1 Open Collector - - - - Through Hole TO-92 3 - - - 5.2 x 4.19 x 5.33mm 5.33mm
New
RS Stock No. 190-4834
Mfr. Part No.DS1832S+T&R
BrandMaxim
HK$17.113
Each (On a Reel of 2500)
units
1 Active High, Active Low Yes Yes - - Surface Mount SOIC 8 - - 1000ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 169-8251
Mfr. Part No.DS1811-10+
BrandMaxim
HK$16.434
Each (In a Tube of 10)
units
1 Active Low, Open Drain - Yes - - Through Hole TO-92 3 - - 300ms 4.95 x 3.94 x 4.95mm 4.95mm
RS Stock No. 162-7168
Mfr. Part No.TPS3808G18DBVT
HK$11.142
Each (On a Reel of 250)
units
1 Open Drain - - - - Surface Mount SOT-23 6 Yes - - 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 165-8901
Mfr. Part No.MAX823SEUK+T
BrandMaxim
HK$27.966
Each (On a Reel of 2500)
units
1 Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.63 x 1.1mm 1.1mm
RS Stock No. 165-8317
Mfr. Part No.APX809-44SRG-7
HK$0.796
Each (On a Reel of 3000)
units
1 Active Low - - - 2.5 V, 3 V, 3.3 V, 5 V Surface Mount SOT-23R 3 Yes - 280ms 3 x 1.4 x 1mm 1mm
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