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. 767-3406
Mfr. Part No.MCP101T-460I/TT
BrandMicrochip
kr 3,23
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. 686-1558
Mfr. Part No.STM6825LWY6F
kr 2,332
Each (In a Pack of 5)
Units
1 Active High, Active Low, Push-Pull - - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 165-3518
Mfr. Part No.MCP131T-195I/TT
BrandMicrochip
kr 3,585
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. 767-3488
Mfr. Part No.MCP120T-485I/TT
BrandMicrochip
kr 1,776
Each (On a Tape 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. 920-9017
Mfr. Part No.STM811LW16F
kr 1,786
Each (On a Reel of 3000)
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. 145-6589
Mfr. Part No.ADM706RARZ
kr 11,788
Each (In a Tube of 98)
Units
1 Active Low, Push-Pull Yes Yes - - Surface Mount SOIC 8 Yes - 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 712-2804
Mfr. Part No.APX809-46SAG-7
kr 2,365
Each (In a Pack of 25)
Units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS Stock No. 688-8796
Mfr. Part No.MAX809LTRG
kr 4,785
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. 169-8236
Mfr. Part No.MAX6301ESA+
kr 31,276
Each (In a Tube of 100)
Units
1 Active Low, Open Drain Yes - - Adjustable Surface Mount SOIC 8 Yes - 5.2ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 889-5581
Mfr. Part No.MCP120T-300I/TT
BrandMicrochip
kr 1,745
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. 145-6886
Mfr. Part No.ADM707ARZ
kr 17,196
Each (In a Tube of 98)
Units
1 Active High, Active Low, Push-Pull - Yes - - Surface Mount SOIC 8 Yes - 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 162-7168
Mfr. Part No.TPS3808G18DBVT
kr 12,018
Each (On a Reel of 250)
Units
1 Open Drain - - - - Surface Mount SOT-23 6 Yes - - 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 732-7478
Mfr. Part No.DS1818R-10+T&R
kr 20,538
Each (In a Pack of 5)
Units
1 Active Low, Open Drain - Yes - - Surface Mount SOT-23 3 Yes - 250ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 145-6788
Mfr. Part No.LM3710XQMM-308/NOPB
kr 10,776
Each (On a Reel of 1000)
Units
1 Active Low, Push-Pull Yes Yes - - Surface Mount MSOP 10 Yes Yes 200ms 3 x 3 x 0.71mm 0.71mm
RS Stock No. 162-5329
Mfr. Part No.TPS3600D33PW
kr 45,279
Each (In a Tube of 90)
Units
1 Active Low Yes Yes Yes - Surface Mount TSSOP 14 Yes Yes 140ms 5 x 4.4 x 1.15mm 1.15mm
RS Stock No. 822-8906
Mfr. Part No.APX803-31SAG-7
kr 0,691
Each (In a Pack of 30)
Units
1 Active Low - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS Stock No. 145-5774
Mfr. Part No.TPS3808G12DBVT
kr 11,969
Each (On a Reel of 250)
Units
1 Open Drain - - - - Surface Mount SOT-23 6 Yes - - 2.9 x 1.6 x 1.15mm 1.15mm
New
RS Stock No. 189-7881
Mfr. Part No.MAX8211CSA+
kr 20,205
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. 165-9263
Mfr. Part No.MAX700ESA+
kr 49,761
Each (In a Tube of 100)
Units
1 Active High, Active Low, Push-Pull - - - Adjustable Surface Mount SOIC 8 Yes - 500ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 379-2718
Mfr. Part No.MCP809T-475I/TT
BrandMicrochip
kr 1,69
Each (In a Pack of 5)
Units
1 Active Low, Push-Pull N N N - Surface Mount SOT-23 3 - - - 2.9 x 1.3 x 0.95mm 0.95mm
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