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. 620-0666
Mfr. Part No.TPS3307-33D
PHP182.18
Each (In a Pack of 5)
units
3 Active High, Active Low - - - - Surface Mount SOIC 8 Yes - 280ms 4.9 x 3.91 x 1.58mm 1.58mm
RS Stock No. 190-5659
Mfr. Part No.MAX6417UK+T
PHP168.114
Each (In a Pack of 5)
units
1 Open Drain, Push-Pull - - - - Surface Mount SOT-23 5 Yes - 5.75ms 3 x 1.75 x 1.3mm 1.3mm
RS Stock No. 796-8079
Mfr. Part No.LM96080CIMT/NOPB
PHP394.80
Each
units
1 Active High, Active Low, Open Drain Yes - Yes - Surface Mount TSSOP 24 - - - 7.9 x 4.5 x 1.05mm 1.05mm
RS Stock No. 183-2110
Mfr. Part No.ADM693ANZ
PHP166.464
Each (In a Pack of 5)
units
1 Active High, Active Low Yes Yes Yes 5V Through Hole PDIP 16 - Yes 70ms 21.33 x 7.11 x 4.95mm 4.95mm
RS Stock No. 662-2827
Mfr. Part No.TPS3305-18DGN
PHP152.78
Each (In a Pack of 5)
units
2 Active High, Active Low Yes - - - Surface Mount MSOP 8 Yes - 280ms 3 x 3 x 1.02mm 1.02mm
RS Stock No. 145-6389
Mfr. Part No.TPS3813K33DBVT
PHP72.367
Each (On a Reel of 250)
units
1 Open Drain Yes - - - Surface Mount SOT-23 6 - - - 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 714-7878
Mfr. Part No.STM809RWX6F
PHP19.64
Each (In a Pack of 20)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 280ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 825-0929
Mfr. Part No.MCP130-450FI/TO
BrandMicrochip
PHP20.48
Each (In a Pack of 25)
units
1 Active Low, Open Drain N N N - Through Hole TO-92 3 - - - 4.95 x 4.95 x 3.94mm 3.94mm
RS Stock No. 145-7665
Mfr. Part No.ADM6320CZ29ARJZ-R7
PHP45.491
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. 662-3359
Mfr. Part No.TPS3808G09DBVT
PHP106.58
Each (In a Pack of 5)
units
1 Open Drain - - - - Surface Mount SOT-23 6 Yes - - 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 168-6358
Mfr. Part No.STM1815SWX7F
PHP12.50
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - - 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 190-4870
Mfr. Part No.MAX8212ESA+
PHP138.483
Each (In a Tube of 100)
units
1 CMOS - Yes - 5V Surface Mount SOIC 8 - - - 5 x 4 x 1.5mm 1.5mm
RS Stock No. 189-7881
Mfr. Part No.MAX8211CSA+
PHP166.244
Each (In a Tube of 100)
units
1 Active Low, Open Drain - Yes - Adjustable Surface Mount SOIC 8 - Yes - 5 x 4 x 1.5mm 1.5mm
RS Stock No. 165-8915
Mfr. Part No.MAX823REUK+T
PHP110.313
Each (On a Reel of 2500)
units
1 Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 280ms 3 x 1.75 x 1.3mm 1.3mm
RS Stock No. 165-4887
Mfr. Part No.MCP130T-270I/TT
BrandMicrochip
PHP17.85
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. 767-3403
Mfr. Part No.MCP101T-315I/TT
BrandMicrochip
PHP18.90
Each (In a Pack of 15)
units
1 Push-Pull - Yes - - Surface Mount SOT-23 3 - - 10µs 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 738-6512
Mfr. Part No.MCP111T-290E/TT
BrandMicrochip
PHP23.63
Each (On a Tape of 10)
units
1 - - - - - Surface Mount SOT-23 3 - - - 2.9 x 1.3 x 0.95mm 0.95mm
RS Stock No. 738-6386
Mfr. Part No.MCP100T-450I/TT
BrandMicrochip
PHP18.90
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. 732-7093
Mfr. Part No.MAX823LEUK+T
PHP209.48
Each
units
1 Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 280ms 3 x 1.75 x 1.3mm 1.3mm
RS Stock No. 768-1495
Mfr. Part No.TC54VC2902ECB713
BrandMicrochip
PHP25.20
Each (In a Pack of 15)
units
1 Active Low, CMOS - - - - Surface Mount SOT-23A 3 - Yes - 3.1 x 1.8 x 1.3mm 1.3mm