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 CPUs 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. 168-6348
Mfr. Part No.STM6823SWY6F
€0.474
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. 686-1564
Mfr. Part No.STM6823SWY6F
€1.174
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. 732-7282
Mfr. Part No.DS1233-5+
€1.29
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. 173-600
Mfr. Part No.MAX823SEUK+T
€3.524
Each (In a Pack of 5)
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. 169-8403
Mfr. Part No.DS1233-5+
€1.007
Each (In a Tube of 10)
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. 178-5296
Mfr. Part No.MCP102T-300E/TT
BrandMicrochip
€0.198
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23B 3 - - 0.13ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 427-389
Mfr. Part No.ADM694ANZ
€2.642
Each (In a Pack of 5)
units
1 Active Low, Push-Pull Yes Yes Yes - Through Hole PDIP 8 - Yes 280ms 10.92 x 7.11 x 4.95mm 4.95mm
RS Stock No. 806-2466
Mfr. Part No.MAX708TESA-TG
€0.228
Each (On a Tape of 20)
units
1 Active High, Active Low, Push-Pull - Yes - 3.08V Surface Mount SOIC 8 Yes Yes 200ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 162-9923
Mfr. Part No.UCD9081RHBT
€4.463
Each (On a Reel of 250)
units
8 Active High, Active Low - - - Adjustable Surface Mount VQFN 32 Yes - - 5.15 x 5.15 x 0.95mm 0.95mm
RS Stock No. 914-3143
Mfr. Part No.UCD9081RHBT
€6.26
Each
units
8 Active High, Active Low - - - Adjustable Surface Mount VQFN 32 Yes - - 5.15 x 5.15 x 0.95mm 0.95mm
RS Stock No. 163-0445
Mfr. Part No.MAX708TESA-TG
€0.218
Each (On a Reel of 2500)
units
1 Active High, Active Low, Push-Pull - Yes - 3.08V Surface Mount SOIC 8 Yes Yes 200ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 161-0536
Mfr. Part No.ADM694ANZ
€2.053
Each (In a Tube of 50)
units
1 Active Low, Push-Pull Yes Yes Yes - Through Hole PDIP 8 - Yes 280ms 10.92 x 7.11 x 4.95mm 4.95mm
RS Stock No. 806-2481
Mfr. Part No.MAX809SN160T1G
€0.345
Each (In a Pack of 25)
units
1 Active Low, Push-Pull - - - 1.6V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS Stock No. 738-6409
Mfr. Part No.MCP102T-300E/TT
BrandMicrochip
€0.238
Each (On a Tape of 10)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23B 3 - - 0.13ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 624-8264
Mfr. Part No.STM1816SWX7F
€0.409
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
RS Stock No. 163-0449
Mfr. Part No.MAX809SN160T1G
€0.14
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - 1.6V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS Stock No. 168-6320
Mfr. Part No.STM1816SWX7F
€0.183
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - - 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 356-9962
Mfr. Part No.TLC7733ID
€2.43
Each
units
1 - - - - - Surface Mount SOIC 8 - - - 4.9 x 3.91 x 1.58mm 1.58mm
RS Stock No. 921-0625
Mfr. Part No.APX809-29SRG-7
€0.054
Each (In a Pack of 50)
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
RS Stock No. 817-3660
Mfr. Part No.MCP809T-300I/TT
BrandMicrochip
€0.305
Each (On a Reel of 3000)
units
1 Active Low - - - - Surface Mount SOT-23 3 - - 700ms 3.04 x 1.4 x 1.02mm 1.02mm
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