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. 190-5886
Mfr. Part No.MAX823TEUK+T
PHP227.764
Each (In a Pack of 5)
units
1 - Yes - - - Surface Mount SOT-23 5 Yes - 280ms 3 x 3 x 1.3mm 1.3mm
RS Stock No. 168-5837
Mfr. Part No.STM1001RWX6F
PHP10.61
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. 165-9112
Mfr. Part No.MAX700CSA+
PHP367.13
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. 165-8316
Mfr. Part No.APX823-46W5G-7
PHP7.19
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
RS Stock No. 178-5322
Mfr. Part No.MCP809T-315I/TT
BrandMicrochip
PHP18.207
Each (On a Reel of 3000)
units
1 Active Low - - - - Surface Mount SOT-23 3 - - - 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 662-3331
Mfr. Part No.TPS3705-33DR
PHP114.45
Each (In a Pack of 5)
units
2 Active High, Active Low Yes Yes - - Surface Mount SOIC 8 Yes Yes 280ms 4.9 x 3.91 x 1.58mm 1.58mm
RS Stock No. 471-370
Mfr. Part No.LTC1326CS8-2.5#PBF
PHP260.57
Each
units
3 - - - - - Surface Mount SOIC 8 - - - 5 x 3.99 x 1.48mm 1.48mm
RS Stock No. 742-7736
Mfr. Part No.ADM809RARTZ-REEL7
PHP92.40
Each (In a Pack of 2)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 840ms 3.04 x 1.4 x 1.12mm 1.12mm
RS Stock No. 165-9070
Mfr. Part No.MAX708CPA+
PHP139.13
Each (In a Tube of 50)
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. 183-2273
Mfr. Part No.ADM708ARZ
PHP95.099
Each (In a Tube of 98)
units
1 Active High - Yes - 4.4V Surface Mount SOIC 8 Yes - 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 190-5860
Mfr. Part No.MAX8215ESD+
PHP362.00
Each
units
1 Open Drain - - - - Surface Mount SOIC 14 - - - 8.75 x 4 x 1.5mm 1.5mm
RS Stock No. 168-6344
Mfr. Part No.STM6822MWY6F
PHP18.59
Each (On a Reel of 3000)
units
1 Active Low, Open Drain Yes - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 767-3494
Mfr. Part No.MCP130T-315I/TT
BrandMicrochip
PHP21.612
Each (In a Pack 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. 193-1531
Mfr. Part No.ISL88011IH529Z-T7A
PHP109.055
Each (On a Reel of 250)
units
1 Active High - - - 2.92V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm
RS Stock No. 578-847
Mfr. Part No.STM1001RWX6F
PHP32.67
Each (In a Pack of 5)
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. 189-7783
Mfr. Part No.DS1233-10+
PHP40.676
Each (In a Bag of 2000)
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. 160-9933
Mfr. Part No.ADM8321WAY30ARJZR7
PHP60.577
Each (On a Reel of 3000)
units
1 Active Low, Open Drain Yes - - - Surface Mount SOT-23 5 Yes - 1.8ms 3 x 1.7 x 1.3mm 1.3mm
RS Stock No. 168-5841
Mfr. Part No.STM811TW16F
PHP10.71
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. 165-4226
Mfr. Part No.MIC8114TUY-TR
BrandMicrochip
PHP22.12
Each (On a Reel of 3000)
units
1 Active Low - - - 3.3V Surface Mount SOT-143 4 Yes - 1800ms 3.05 x 1.4 x 1.02mm 1.02mm
RS Stock No. 169-7365
Mfr. Part No.APX809-40SAG-7
PHP4.88
Each (On a Reel of 3000)
units
1 Active Low - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
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