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. 517-1141
Mfr. Part No.TPS3828-50DBVT
SGD2.92
Each (In a Pack of 5)
units
1 Open Drain Yes - - - Surface Mount SOT-23 5 Yes - - 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 163-0442
Mfr. Part No.MAX708ESA-TG
SGD0.494
Each (On a Reel of 2500)
units
1 Active High, Active Low, Push-Pull - Yes - 4.38V Surface Mount SOIC 8 Yes Yes 200ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 806-2481
Mfr. Part No.MAX809SN160T1G
SGD0.544
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. 168-6359
Mfr. Part No.STM1001MWX6F
SGD0.324
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - 280ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 796-8354
Mfr. Part No.TPS3808G33DBVT
SGD3.15
Each (In a Pack of 5)
units
1 Open Drain - - - - Surface Mount SOT-23 6 Yes - 420ms 2.1 x 2.1 x 0.75mm 0.75mm
RS Stock No. 170-4508
Mfr. Part No.SP706SEN-L
BrandEXAR
SGD0.876
Each (In a Tube of 98)
units
1 Active Low Yes Yes - - Surface Mount SOIC 8 Yes - 280ms 4.9 x 3.9 x 1.65mm 1.65mm
RS Stock No. 769-5444
Mfr. Part No.SP706SEN-L
BrandMaxLinear
SGD0.94
Each (In a Pack of 2)
units
1 Active Low Yes Yes - - Surface Mount SOIC 8 Yes - 280ms 4.9 x 3.9 x 1.65mm 1.65mm
RS Stock No. 768-1564
Mfr. Part No.TCM809RVNB713
BrandMicrochip
SGD0.512
Each (In a Pack of 15)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23B 3 - - 560ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 686-1671
Mfr. Part No.STM1001LWX6F
SGD0.779
Each (In a Pack of 25)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - 280ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 412-664
Mfr. Part No.ADM691ANZ
SGD6.45
Each
units
1 Active High, Active Low, Push-Pull Yes Yes Yes - Through Hole PDIP 16 - Yes 70ms 21.33 x 7.11 x 4.95mm 4.95mm
RS Stock No. 169-8403
Mfr. Part No.DS1233-5+
SGD1.786
Each (In a Tube of 10)
units
1 Active Low, Open Drain - Yes - - Through Hole TO-92 3 Yes - 450ms 4.95 x 3.94 x 4.95mm 4.95mm
RS Stock No. 159-7983
Mfr. Part No.ADM695ANZ
SGD3.69
Each (In a Tube of 25)
units
1 Active High, Active Low, Push-Pull Yes Yes Yes - Through Hole PDIP 16 - Yes 280ms 21.33 x 7.11 x 4.95mm 4.95mm
RS Stock No. 738-6409
Mfr. Part No.MCP102T-300E/TT
BrandMicrochip
SGD0.851
Each (On a Tape of 10)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23B 3 - - 0.13ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 183-2272
Mfr. Part No.ADM706ANZ
SGD2.965
Each (In a Tube of 50)
units
1 Active High Yes Yes - 4.65V Through Hole PDIP 8 Yes - 280ms 10.16 x 7.11 x 4.95mm 4.95mm
RS Stock No. 912-6356
Mfr. Part No.ADM809LARTZ-REEL7
SGD1.413
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 840ms 2.9 x 1.3 x 1.02mm 1.02mm
RS Stock No. 165-4861
Mfr. Part No.TCM809SENB713
BrandMicrochip
SGD0.392
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23B 3 - - 560ms 3.05 x 1.4 x 1.02mm 1.02mm
RS Stock No. 463-230
Mfr. Part No.NCP803SN160T1G
SGD0.642
Each (In a Pack of 10)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - 460ms 2.9 x 1.3 x 0.94mm 0.94mm
RS Stock No. 165-3553
Mfr. Part No.MCP130-450DI/TO
BrandMicrochip
SGD0.577
Each (In a Bag of 1000)
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. 163-0444
Mfr. Part No.MAX708SESA-TG
SGD0.398
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. 190-5450
Mfr. Part No.DS1232LPS-2+T&R
SGD4.978
Each (In a Pack of 5)
units
1 Active High, Active Low, Open Drain Yes Yes - 5V Surface Mount SOIC 8 - - 1000ms 5 x 4 x 1.5mm 1.5mm
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