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. 768-1491
Mfr. Part No.TC54VC2702ECB713
BrandMicrochip
PHP17.454
Each (On a Tape of 15)
units
1 Active Low, CMOS - - - - Surface Mount SOT-23A 3 - Yes - 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 889-5581
Mfr. Part No.MCP120T-300I/TT
BrandMicrochip
PHP15.971
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. 732-7472
Mfr. Part No.DS1818R-5+T&R
BrandMaxim
PHP121.69
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. 161-0144
Mfr. Part No.ADM691ANZ
PHP130.045
Each (In a Tube of 25)
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. 732-7100
Mfr. Part No.MAX824LEUK+T
BrandMaxim
PHP190.00
Each
units
1 Active High, Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 - - 280ms 3 x 1.75 x 1.3mm 1.3mm
RS Stock No. 170-4318
Mfr. Part No.MCP101-300DI/TO
BrandMicrochip
PHP9.56
Each (In a Bag of 1000)
units
- - - - - - - - - - - - - -
New
RS Stock No. 190-5562
Mfr. Part No.DS1832S+T&R
BrandMaxim
PHP202.00
Each (In a Pack of 5)
units
1 Active High, Active Low Yes Yes - - Surface Mount SOIC 8 - - 1000ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 767-3490
Mfr. Part No.MCP121T-240E/TT
BrandMicrochip
PHP18.787
Each (In a Pack of 10)
units
1 Active Low - Yes - - Surface Mount SOT-23B 3 - - 130ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 165-8315
Mfr. Part No.APX810-44SAG-7
PHP4.88
Each (On a Reel of 3000)
units
1 Active High - - - 2.5 V, 3 V, 3.3 V, 5 V Surface Mount SOT-23 3 Yes - 280ms 3 x 1.4 x 1mm 1mm
RS Stock No. 714-7878
Mfr. Part No.STM809RWX6F
PHP13.32
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
New
RS Stock No. 190-5826
Mfr. Part No.MAX16052AUT+T
BrandMaxim
PHP160.20
Each (In a Pack of 5)
units
1 - - - - - Surface Mount SOT-23 6 - - - 3 x 1.75 x 1.3mm 1.3mm
RS Stock No. 660-8105
Mfr. Part No.UCC2946PW
PHP228.67
Each
units
1 - Yes - - Adjustable Surface Mount TSSOP 8 Yes - 320ms 3 x 4.4 x 1.15mm 1.15mm
RS Stock No. 538-4094
Mfr. Part No.ADM691AANZ
PHP186.98
Each
units
1 Active High, Active Low, Open Drain, Push-Pull Yes Yes Yes - Through Hole PDIP 16 - Yes 280ms 21.33 x 7.11 x 4.95mm 4.95mm
RS Stock No. 173-492
Mfr. Part No.MAX812LEUS+T
BrandMaxim
PHP156.97
Each (In a Pack of 5)
units
1 Active High, Push-Pull - - - - Surface Mount SOT-143 4 Yes - 560ms 2.92 x 1.3 x 0.94mm 0.94mm
RS Stock No. 761-9386
Mfr. Part No.LTC2930IDD#PBF
PHP333.40
Each
units
6 Push-Pull - - - Adjustable Surface Mount DFN 12 Yes - - 3 x 3 x 0.7mm 0.7mm
RS Stock No. 379-2257
Mfr. Part No.MCP130T-475I/TT
BrandMicrochip
PHP23.52
Each (In a Pack of 5)
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. 667-4275
Mfr. Part No.TCM809MENB713
BrandMicrochip
PHP12.798
Each (In a Pack of 20)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23B 3 - - 560ms 3.05 x 1.4 x 1.02mm 1.02mm
New
RS Stock No. 190-5542
Mfr. Part No.DS1233DZ-5+
BrandMaxim
PHP133.40
Each (In a Pack of 5)
units
1 - - Yes - 3.3V Surface Mount SOT-223 3 + Tab - - 450ms 6.7 x 3.7 x 1.8mm 1.8mm
RS Stock No. 178-5305
Mfr. Part No.MCP102T-270E/TT
BrandMicrochip
PHP26.476
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. 165-3519
Mfr. Part No.MCP130T-460I/TT
BrandMicrochip
PHP16.219
Each (On a Reel of 3000)
units
1 Open Drain - Yes - - Surface Mount SOT-23 3 - - 10µs 3.04 x 1.4 x 1.02mm 1.02mm
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