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. 806-2488
Mfr. Part No.MAX809JTRG
$0.612
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. 163-0449
Mfr. Part No.MAX809SN160T1G
$0.319
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. 806-2481
Mfr. Part No.MAX809SN160T1G
$0.393
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. 163-0448
Mfr. Part No.MAX809JTRG
$0.319
Each (On a Reel of 3000)
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. 806-2491
Mfr. Part No.MAX809SQ293T1G
$0.544
Each (On a Tape of 20)
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. 806-2508
Mfr. Part No.MAX810RTRG
$0.808
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. 806-2523
Mfr. Part No.MAX810SQ463T1G
$0.53
Each (In a Pack of 20)
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. 806-2494
Mfr. Part No.MAX809SQ263T1G
$0.649
Each (In a Pack of 20)
units
1 Active Low, Push-Pull - - - 2.63V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm
RS Stock No. 688-8796
Mfr. Part No.MAX809LTRG
$0.785
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. 516-5067
Mfr. Part No.MC34064P-5G
$1.41
Each
units
1 - - - - - Through Hole TO-92 3 - - - 5.2 x 4.19 x 5.33mm 5.33mm
RS Stock No. 145-4243
Mfr. Part No.MAX803SQ438T1G
$0.333
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - - - 4.38V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm
RS Stock No. 163-0450
Mfr. Part No.MAX809SQ232T1G
$0.377
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - 2.32V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm
RS Stock No. 688-8806
Mfr. Part No.MAX809RTRG
$0.415
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. 806-2485
Mfr. Part No.MAX809SQ232T1G
$0.576
Each (In a Pack of 20)
units
1 Active Low, Push-Pull - - - 2.32V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm
RS Stock No. 806-2501
Mfr. Part No.MAX809SQ308T1G
$0.723
Each (On a Tape of 20)
units
1 Active Low, Push-Pull - - - 3.08V 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
$0.463
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. 145-5265
Mfr. Part No.MAX809SQ293T1G
$0.333
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. 103-5058
Mfr. Part No.MAX809RTRG
$0.30
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull N N N - Surface Mount SOT-23 3 - - 460ms 2.9 x 1.3 x 0.94mm 0.94mm
RS Stock No. 163-0446
Mfr. Part No.MAX803SQ293D3T1G
$0.328
Each (On a Reel of 3000)
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. 806-2466
Mfr. Part No.MAX708TESA-TG
$1.049
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