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. 667-4253
Mfr. Part No.MCP809T-270I/TT
BrandMicrochip
HK$3.85
Each (In a Pack of 10)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - - 2.9 x 1.3 x 0.95mm 0.95mm
RS Stock No. 168-6348
Mfr. Part No.STM6823SWY6F
HK$4.60
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 767-3481
Mfr. Part No.MCP120T-460I/TT
BrandMicrochip
HK$3.85
Each (On a Tape 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. 686-1659
Mfr. Part No.STM1815SWX7F
HK$4.81
Each (In a Pack of 10)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - - 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 686-1589
Mfr. Part No.STM6315SDW13F
HK$4.666
Each (In a Pack of 10)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-143 4 Yes - 210ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 165-3519
Mfr. Part No.MCP130T-460I/TT
BrandMicrochip
HK$2.91
Each (On a Reel of 3000)
units
1 Open Drain - Yes - - Surface Mount SOT-23 3 - - 10µs 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 538-4038
Mfr. Part No.ADM707ANZ
HK$21.82
Each
units
1 Active High, Active Low, Push-Pull - Yes - - Through Hole PDIP 8 Yes - 280ms 9.27 x 7.24 x 3.43mm 3.43mm
RS Stock No. 190-5788
Mfr. Part No.MAX16025TE+
HK$38.925
Each (In a Pack of 2)
units
1 Open Drain - - - - Surface Mount TQFN 16 Yes - 260ms 4.1 x 4.1 x 0.75mm 0.75mm
RS Stock No. 168-6354
Mfr. Part No.STM812TW16F
HK$2.029
Each (On a Reel of 3000)
units
1 Active High, Push-Pull - - - - Surface Mount SOT-143 4 Yes - 280ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 145-6589
Mfr. Part No.ADM706RARZ
HK$16.69
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
RS Stock No. 160-9934
Mfr. Part No.ADM811RARTZ-REEL7
HK$6.506
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - 3V Surface Mount SOT-143 4 Yes - 560ms 3.04 x 1.4 x 1.07mm 1.07mm
RS Stock No. 190-4865
Mfr. Part No.MAX793TESE+
HK$79.655
Each (In a Tube of 50)
units
1 - Yes Yes - - Surface Mount SOIC 16 Yes Yes 280ms 10 x 4 x 1 .5mm 1.5mm
RS Stock No. 738-6477
Mfr. Part No.MCP130T-450I/TT
BrandMicrochip
HK$3.85
Each (In a Pack of 10)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - 700ms 2.9 x 1.3 x 0.95mm 0.95mm
RS Stock No. 168-6340
Mfr. Part No.STM6322MWY6F
HK$3.27
Each (On a Reel of 3000)
units
1 Active High, Active Low, Open Drain, Push-Pull - - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 190-4870
Mfr. Part No.MAX8212ESA+
HK$22.53
Each (In a Tube of 100)
units
1 CMOS - Yes - 5V Surface Mount SOIC 8 - - - 5 x 4 x 1.5mm 1.5mm
RS Stock No. 190-5807
Mfr. Part No.MAX706TESA+T
HK$29.46
Each (In a Pack of 5)
units
1 Active High, Active Low Yes Yes - - Surface Mount SOIC 8 - - 200ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 165-3309
Mfr. Part No.MCP131T-300E/TT
BrandMicrochip
HK$3.42
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23B 3 - - 0.13ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 190-5843
Mfr. Part No.MAX707CSA+T
HK$42.42
Each (In a Pack of 2)
units
1 Active High Yes - - - Surface Mount SOIC 8 - - 200ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 145-5693
Mfr. Part No.ADM1232ANZ
HK$16.77
Each (In a Tube of 50)
units
2 Active High, Active Low, Open Drain, Push-Pull Yes - - - Through Hole PDIP 8 Yes - 1000ms 9.27 x 7.24 x 3.43mm 3.43mm
RS Stock No. 145-6788
Mfr. Part No.LM3710XQMM-308/NOPB
HK$11.814
Each (On a Reel of 1000)
units
1 Active Low, Push-Pull Yes Yes - - Surface Mount MSOP 10 Yes Yes 200ms 3 x 3 x 0.71mm 0.71mm
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