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. 162-6451
Mfr. Part No.TPS3825-33QDBVRQ1
£0.781
Each (On a Reel of 3000)
Units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 5 Yes - - 3.05 x 1.75 x 1.3mm 1.3mm
RS Stock No. 165-3553
Mfr. Part No.MCP130-450DI/TO
BrandMicrochip
£0.274
Each (In a Bag of 1000)
Units
1 Active Low, Open Drain - - - - Through Hole TO-92 3 - - 700ms 4.71 x 3.62 x 4.62mm 4.62mm
RS Stock No. 688-8806
Mfr. Part No.MAX809RTRG
£0.315
Each (In a Pack of 2)
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. 686-1564
Mfr. Part No.STM6823SWY6F
£0.998
Each (In a Pack of 5)
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. 412-573
Mfr. Part No.ADM706SARZ
£1.988
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. 168-5837
Mfr. Part No.STM1001RWX6F
£0.139
Each (On a Reel of 3000)
Units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - 280ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 825-0929
Mfr. Part No.MCP130-450FI/TO
BrandMicrochip
£0.296
Each (In a Pack of 25)
Units
1 Active Low, Open Drain N N N - Through Hole TO-92 3 - - - 4.95 x 4.95 x 3.94mm 3.94mm
RS Stock No. 738-6288
Mfr. Part No.MCP130-450DI/TO
BrandMicrochip
£0.364
Each (In a Pack of 10)
Units
1 Active Low, Open Drain - - - - Through Hole TO-92 3 - - 700ms 4.71 x 3.62 x 4.62mm 4.62mm
RS Stock No. 165-3361
Mfr. Part No.MCP1316T-29LE/OT
BrandMicrochip
£0.397
Each (On a Reel of 3000)
Units
1 Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 2240ms 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 144-5867
Mfr. Part No.MCP130-450FI/TO
BrandMicrochip
£0.274
Each (In a Bag of 1000)
Units
1 Active Low, Open Drain N N N - Through Hole TO-92 3 - - - 4.95 x 4.95 x 3.94mm 3.94mm
RS Stock No. 578-847
Mfr. Part No.STM1001RWX6F
£0.456
Each (In a Pack of 5)
Units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - 280ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 168-6348
Mfr. Part No.STM6823SWY6F
£0.401
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. 662-3472
Mfr. Part No.TPS3838K33DBVT
£1.90
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. 165-4590
Mfr. Part No.MCP130T-475I/TT
BrandMicrochip
£0.258
Each (On a Reel of 3000)
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. 379-2257
Mfr. Part No.MCP130T-475I/TT
BrandMicrochip
£0.342
Each (In a Pack of 5)
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. 165-3308
Mfr. Part No.MCP130T-300I/TT
BrandMicrochip
£0.258
Each (On a Reel of 3000)
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. 912-2834
Mfr. Part No.TC54VN2102ECB713
BrandMicrochip
£0.274
Each (On a Reel of 3000)
Units
1 Active Low, Open Drain - - - - Surface Mount SOT-23A 3 - Yes - 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 163-2647
Mfr. Part No.NCP803SN160T1G
£0.04
Each (On a Reel of 3000)
Units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - 460ms 2.9 x 1.3 x 0.94mm 0.94mm
RS Stock No. 712-2804
Mfr. Part No.APX809-46SAG-7
£0.197
Each (In a Pack of 25)
Units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS Stock No. 189-1872
Mfr. Part No.STM6321SWY6F
£0.285
Each (On a Reel of 3000)
Units
1 Active High, Active Low, Open Drain, Push-Pull Yes - - - Surface Mount SOT-23 5 - - 280ms 3 x 1.75 x 1.3mm 1.3mm
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