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. 379-2257
Mfr. Part No.MCP130T-475I/TT
BrandMicrochip
kr 3,788
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. 190-5852
Mfr. Part No.MAX6746KA29+T
kr 37,985
Each (In a Pack of 2)
Units
1 Open Drain, Push-Pull Yes - - - Surface Mount SOT-23 8 Yes - - 3 x 1.75 x 1.3mm 1.3mm
RS Stock No. 189-7857
Mfr. Part No.MAX706SESA+
kr 54,241
Each (In a Tube of 100)
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. 189-7788
Mfr. Part No.DS1233Z-10+T&R
kr 10,248
Each (On a Reel of 2500)
Units
1 Push-Pull - Yes - - Surface Mount SOT-223 3 + Tab - - 450ms 6.7 x 3.7 x 1.8mm 1.8mm
RS Stock No. 190-5860
Mfr. Part No.MAX8215ESD+
kr 65,20
Each
Units
1 Open Drain - - - - Surface Mount SOIC 14 - - - 8.75 x 4 x 1.5mm 1.5mm
RS Stock No. 806-2441
Mfr. Part No.MAX708ESA-TG
kr 6,082
Each (In a Pack of 20)
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. 192-2304
Mfr. Part No.MAX791ESE+
kr 101,49
Each
Units
1 Active Low, Push-Pull Yes Yes Yes - Surface Mount SOIC 16 Yes Yes 280ms 10 x 4 x 1.5mm 1.5mm
RS Stock No. 732-6927
Mfr. Part No.MAX706TCSA+
kr 60,92
Each
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. 427-389
Mfr. Part No.ADM694ANZ
kr 26,998
Each (In a Pack of 5)
Units
1 Active Low, Push-Pull Yes Yes Yes - Through Hole PDIP 8 - Yes 280ms 10.92 x 7.11 x 4.95mm 4.95mm
RS Stock No. 161-0151
Mfr. Part No.ADM690ANZ
kr 23,362
Each (In a Tube of 50)
Units
1 Active Low, Push-Pull Yes Yes Yes - Through Hole PDIP 8 - Yes 70ms 10.92 x 7.11 x 4.95mm 4.95mm
RS Stock No. 686-1542
Mfr. Part No.STM6821LWY6F
kr 2,046
Each (In a Pack of 5)
Units
1 Active High, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 850-7912
Mfr. Part No.ADM6316CY29ARJZ-R7
kr 12,942
Each (In a Pack of 5)
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. 540-4328
Mfr. Part No.MAX8211CPA+
kr 31,90
Each
Units
1 Active Low, Open Drain - Yes - Adjustable Through Hole PDIP 8 - Yes - 9.91 x 7.87 x 4.45mm 4.45mm
RS Stock No. 145-1216
Mfr. Part No.TPS3705-33DGN
kr 17,747
Each (In a Tube of 80)
Units
2 Active High, Active Low Yes Yes - - Surface Mount MSOP 8 Yes Yes 280ms 3 x 3 x 1.02mm 1.02mm
RS Stock No. 190-5889
Mfr. Part No.MAX825LEUK+T
kr 33,35
Each (In a Pack of 2)
Units
1 - Yes - - - Surface Mount SOT-23 5 Yes - 280ms 3 x 3 x 1.3mm 1.3mm
RS Stock No. 622-8563
Mfr. Part No.MAX707CPA+
kr 48,95
Each
Units
1 Active High, Active Low, Push-Pull - Yes - - Through Hole PDIP 8 Yes - 280ms 9.91 x 7.87 x 4.45mm 4.45mm
RS Stock No. 158-4512
Mfr. Part No.ADM709TARZ
kr 14,05
Each (In a Tube of 98)
Units
1 Active Low, Push-Pull - - - - Surface Mount SOIC 8 - - 380ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 190-4854
Mfr. Part No.MAX6818EAP+T
kr 31,689
Each (On a Reel of 2000)
Units
1 Active Low - - - - Surface Mount SSOP 20 - - - 7.33 x 5.38 x 1.78mm 1.78mm
RS Stock No. 190-4825
Mfr. Part No.DS1233AZ-15+
kr 12,545
Each (In a Tube of 75)
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. 165-8316
Mfr. Part No.APX823-46W5G-7
kr 0,752
Each (On a Reel of 3000)
Units
1 Active Low Yes - - 2.5 V, 3 V, 3.3 V, 5 V Surface Mount SOT-25 5 Yes - 280ms 3.1 x 1.7 x 1.3mm 1.3mm
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