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. 379-2213
Mfr. Part No.MCP130-475DI/TO
BrandMicrochip
kr 4,308
Each (In a Pack of 5)
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. 177-7267
Mfr. Part No.LTC690CS8#PBF
kr 102,432
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. 165-3310
Mfr. Part No.MCP131T-450E/TT
BrandMicrochip
kr 3,585
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. 738-6308
Mfr. Part No.MCP1319MT-29LE/OT
BrandMicrochip
kr 3,36
Each (In a Pack of 5)
Units
1 Active High, Active Low, Open Drain, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 2240ms 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 806-2488
Mfr. Part No.MAX809JTRG
kr 3,438
Each (On a Tape of 25)
Units
1 Active Low, Push-Pull N N N 4V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS Stock No. 923-5687
Mfr. Part No.MAX803LEXR+T
kr 14,388
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. 686-1615
Mfr. Part No.STM811LW16F
kr 1,864
Each (In a Pack of 10)
Units
1 Active Low, Push-Pull - - - - Surface Mount SOT-143 4 Yes - 280ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 168-6342
Mfr. Part No.STM6821LWY6F
kr 2,484
Each (On a Reel of 3000)
Units
1 Active High, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 923-5583
Mfr. Part No.MAX6369KA+T
kr 15,477
Each (On a Reel of 2500)
Units
1 Active Low, Open Drain Yes - - - Surface Mount SOT-23 8 - - - 3 x 1.75 x 1.3mm 1.3mm
RS Stock No. 738-6411
Mfr. Part No.MCP102T-450E/TT
BrandMicrochip
kr 2,184
Each (In a Pack of 10)
Units
1 Active Low, Push-Pull N - - - Surface Mount SOT-23B 3 - - 0.13ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 709-8073
Mfr. Part No.ADM696ARZ
kr 26,72
Each
Units
1 Active High, Active Low, Push-Pull Yes Yes - Adjustable Surface Mount SOIC W 16 - Yes 70ms 10.5 x 7.6 x 2.35mm 2.35mm
RS Stock No. 921-5466
Mfr. Part No.ICL7673CPAZ
kr 6,794
Each (In a Pack of 5)
Units
- - - - - - Through Hole PDIP 8 - - - 10.16 x 7.11 x 4.95mm 4.95mm
New
RS Stock No. 190-4845
Mfr. Part No.MAX6414UK29+T
kr 15,07
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. 709-1643
Mfr. Part No.ADM810MARTZ-REEL7
kr 14,936
Each (In a Pack of 5)
Units
1 Active High, Push-Pull - - - - Surface Mount SOT-23 3 - - 840ms 2.9 x 1.3 x 1.02mm 1.02mm
RS Stock No. 186-9402
Mfr. Part No.MC33164P-5G
kr 5,543
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
RS Stock No. 919-9487
Mfr. Part No.LTC2930IDD#PBF
kr 37,082
Each (In a Tube of 121)
Units
6 Push-Pull - - - Adjustable Surface Mount DFN 12 Yes - - 3 x 3 x 0.7mm 0.7mm
RS Stock No. 163-0445
Mfr. Part No.MAX708TESA-TG
kr 2,137
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. 732-7034
Mfr. Part No.MAX809TEUR+T
kr 26,92
Each
Units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 840ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 145-7665
Mfr. Part No.ADM6320CZ29ARJZ-R7
kr 8,335
Each (On a Reel of 3000)
Units
1 Active Low, Open Drain Yes - - - Surface Mount SOT-23 5 Yes - 280ms 3 x 1.7 x 1.3mm 1.3mm
RS Stock No. 540-1313
Mfr. Part No.DS1232+
kr 32,50
Each
Units
1 Active High, Active Low, Open Drain, Push-Pull Yes Yes - - Through Hole PDIP 8 - - 1000ms 9.91 x 7.87 x 4.45mm 4.45mm
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