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. 516-5067
Mfr. Part No.MC34064P-5G
R 10.50
Each
units
1 - - - - - Through Hole TO-92 3 - - - 5.2 x 4.19 x 5.33mm 5.33mm
RS stock no. 163-2471
Mfr. Part No.MC34064P-5G
R 4.629
Each (In a Bag of 2000)
units
1 - - - - - Through Hole TO-92 3 - - - 5.2 x 4.19 x 5.33mm 5.33mm
RS stock no. 864-7802
Mfr. Part No.MAX809MTRG
R 5.603
Each (In a Pack of 25)
units
1 Active Low - - - 5V Surface Mount SOT-23 3 - - 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS stock no. 145-5265
Mfr. Part No.MAX809SQ293T1G
R 3.122
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - 2.93V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm
RS stock no. 806-2526
Mfr. Part No.MAX810TTRG
R 2.457
Each (On a Tape of 20)
units
1 Active High, Push-Pull - - - 3.08V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS stock no. 163-0458
Mfr. Part No.MAX810SQ463T1G
R 2.385
Each (On a Reel of 3000)
units
1 Active High, Push-Pull - - - 4.63V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm
RS stock no. 162-9968
Mfr. Part No.MAX809MTRG
R 2.282
Each (On a Reel of 3000)
units
1 Active Low - - - 5V Surface Mount SOT-23 3 - - 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS stock no. 163-0455
Mfr. Part No.MAX810RTRG
R 2.295
Each (On a Reel of 3000)
units
1 Active High, Push-Pull - - - 2.63V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS stock no. 163-0449
Mfr. Part No.MAX809SN160T1G
R 2.535
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. 163-0444
Mfr. Part No.MAX708SESA-TG
R 3.837
Each (On a Reel of 2500)
units
1 Active High, Active Low, Push-Pull - Yes - 2.93V Surface Mount SOIC 8 Yes Yes 200ms 5 x 4 x 1.5mm 1.5mm
RS stock no. 124-9990
Mfr. Part No.MAX810SQ438T1G
R 2.602
Each (On a Reel of 3000)
units
1 Active High, Push-Pull - - - 4.38V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm
RS stock no. 122-0073
Mfr. Part No.MC33064P-5G
R 4.44
Each (In a Bag of 2000)
units
1 - - - - - Through Hole TO-92 3 - - - 5.2 x 4.19 x 5.33mm 5.33mm
RS stock no. 806-2508
Mfr. Part No.MAX810RTRG
R 2.457
Each (In a Pack of 20)
units
1 Active High, Push-Pull - - - 2.63V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS stock no. 806-2472
Mfr. Part No.MAX803SQ308D2T1G
R 7.466
Each (In a Pack of 20)
units
1 Active Low, Open Drain - - - 3.08V Surface Mount SC-70 3 - Yes 66ms 2.2 x 1.35 x 0.9mm 0.9mm
RS stock no. 163-2440
Mfr. Part No.MAX809LTRG
R 3.352
Each (On a Reel of 3000)
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. 806-2514
Mfr. Part No.MAX810SQ438T1G
R 2.457
Each (In a Pack of 20)
units
1 Active High, Push-Pull - - - 4.38V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm
RS stock no. 806-2463
Mfr. Part No.MAX803SQ293D3T1G
R 2.239
Each (In a Pack of 25)
units
1 Active Low, Open Drain - - - 2.93V Surface Mount SC-70 3 - Yes 300ms 2.2 x 1.35 x 0.9mm 0.9mm
RS stock no. 163-0459
Mfr. Part No.MAX810TTRG
R 2.295
Each (On a Reel of 3000)
units
1 Active High, Push-Pull - - - 3.08V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS stock no. 163-0452
Mfr. Part No.MAX809SQ293D1T1G
R 2.501
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - 2.93V Surface Mount SC-70 3 - Yes 3.3ms 2.2 x 1.35 x 0.9mm 0.9mm
RS stock no. 163-0454
Mfr. Part No.MAX809SQ463T1G
R 4.051
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - 4.63V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm