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. 165-3581
Mfr. Part No.TC54VC2702ECB713
BrandMicrochip
kr 3,227
Each (On a Reel of 3000)
Units
1 Active Low, CMOS - - - - Surface Mount SOT-23A 3 - Yes - 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 165-4053
Mfr. Part No.MIC6315-29D4UY-TR
BrandMicrochip
kr 2,683
Each (On a Reel of 3000)
Units
1 Active Low, Open Drain - - - 2.93V Surface Mount SOT-143 4 Yes - 2500ms 2.92 x 1.3 x 0.9mm 0.9mm
RS Stock No. 165-3583
Mfr. Part No.TC54VC2902ECB713
BrandMicrochip
kr 1,879
Each (On a Reel of 3000)
Units
1 Active Low, CMOS - - - - Surface Mount SOT-23A 3 - Yes - 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 379-2099
Mfr. Part No.MCP100-475HI/TO
BrandMicrochip
kr 1,346
Each (In a Pack of 5)
Units
1 Active Low, Push-Pull - - - - Through Hole TO-92 3 - - - 4.71 x 3.62 x 4.62mm 4.62mm
RS Stock No. 912-6779
Mfr. Part No.MCP111T-475E/TT
BrandMicrochip
kr 1,774
Each (On a Reel of 3000)
Units
1 Active Low - Yes - - Surface Mount SOT-23B 3 - - 130ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 767-3400
Mfr. Part No.MCP102T-195I/TT
BrandMicrochip
kr 4,746
Each (On a Tape of 10)
Units
1 Active Low - Yes - - Surface Mount SOT-23B 3 - - 130ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 178-5302
Mfr. Part No.MCP101T-315I/TT
BrandMicrochip
kr 2,51
Each (On a Reel of 3000)
Units
1 Push-Pull - Yes - - Surface Mount SOT-23 3 - - 10µs 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 767-3510
Mfr. Part No.MCP131T-240E/TT
BrandMicrochip
kr 4,746
Each (In a Pack of 10)
Units
1 Active Low - Yes - - Surface Mount SOT-23B 3 - - 130ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 738-6382
Mfr. Part No.MCP100T-300I/TT
BrandMicrochip
kr 3,23
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. 165-3444
Mfr. Part No.MCP121-240E/TO
BrandMicrochip
kr 1,947
Each (In a Bag of 1000)
Units
1 Active Low - Yes - - Through Hole TO-92 3 - - 130ms 4.95 x 3.94 x 4.95mm 4.95mm
RS Stock No. 667-4250
Mfr. Part No.MCP810T-450I/TT
BrandMicrochip
kr 4,028
Each (In a Pack of 10)
Units
1 Active High, Push-Pull - - - - Surface Mount SOT-23 3 - - - 2.9 x 1.3 x 0.95mm 0.95mm
RS Stock No. 912-6952
Mfr. Part No.MCP809T-270I/TT
BrandMicrochip
kr 3,042
Each (On a Reel of 3000)
Units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - - 2.9 x 1.3 x 0.95mm 0.95mm
RS Stock No. 170-4318
Mfr. Part No.MCP101-300DI/TO
BrandMicrochip
kr 2,776
Each (In a Bag of 1000)
Units
- - - - - - - - - - - - - -
RS Stock No. 767-3478
Mfr. Part No.MCP120T-270I/TT
BrandMicrochip
kr 4,028
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. 911-5574
Mfr. Part No.MCP111T-290E/TT
BrandMicrochip
kr 3,042
Each (On a Reel of 3000)
Units
1 - - - - - Surface Mount SOT-23 3 - - - 2.9 x 1.3 x 0.95mm 0.95mm
RS Stock No. 738-6288
Mfr. Part No.MCP130-450DI/TO
BrandMicrochip
kr 4,307
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. 165-3370
Mfr. Part No.MCP1321T-46LE/OT
BrandMicrochip
kr 4,649
Each (On a Reel of 3000)
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. 165-4887
Mfr. Part No.MCP130T-270I/TT
BrandMicrochip
kr 3,042
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. 912-2988
Mfr. Part No.MCP809T-475I/TT
BrandMicrochip
kr 3,028
Each (On a Reel of 3000)
Units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - - 2.9 x 1.3 x 0.95mm 0.95mm
RS Stock No. 178-5303
Mfr. Part No.MCP101T-460I/TT
BrandMicrochip
kr 2,51
Each (On a Reel of 3000)
Units
1 Push-Pull - Yes - - Surface Mount SOT-23 3 - - 10µs 3.04 x 1.4 x 1.02mm 1.02mm