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. 168-6342
Mfr. Part No.STM6821LWY6F
R 3.735
Each (On a Reel of 3000)
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. 686-1542
Mfr. Part No.STM6821LWY6F
R 3.99
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. 168-6344
Mfr. Part No.STM6822MWY6F
R 4.369
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. 686-1555
Mfr. Part No.STM6822MWY6F
R 4.664
Each (In a Pack of 5)
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. 686-1612
Mfr. Part No.STM812TW16F
R 8.484
Each (In a Pack of 10)
units
1 Active High, Push-Pull - - - - Surface Mount SOT-143 4 Yes - 280ms 3.04 x 1.4 x 1.02mm 1.02mm
RS stock no. 168-6354
Mfr. Part No.STM812TW16F
R 4.379
Each (On a Reel of 3000)
units
1 Active High, Push-Pull - - - - Surface Mount SOT-143 4 Yes - 280ms 3.04 x 1.4 x 1.02mm 1.02mm
RS stock no. 189-1932
Mfr. Part No.STM1818SWX7F
R 9.445
Each (In a Pack of 25)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 Yes - 200ms 3.04 x 1.4 x 1.02mm 1.02mm
RS stock no. 189-1871
Mfr. Part No.STM1818SWX7F
R 4.115
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 Yes - 200ms 3.04 x 1.4 x 1.02mm 1.02mm
RS stock no. 686-1668
Mfr. Part No.STM1001TWX6F
R 7.616
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. 686-1570
Mfr. Part No.STM6823RWY6F
R 3.99
Each (In a Pack of 5)
units
1 Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS stock no. 686-1659
Mfr. Part No.STM1815SWX7F
R 2.499
Each (In a Pack of 10)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - - 3.04 x 1.4 x 1.02mm 1.02mm
RS stock no. 168-6323
Mfr. Part No.STM809SWX6F
R 2.19
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 280ms 3.04 x 1.4 x 1.02mm 1.02mm
RS stock no. 168-7321
Mfr. Part No.STM809TWX6F
R 2.268
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 280ms 3.04 x 1.4 x 1.02mm 1.02mm
RS stock no. 168-6356
Mfr. Part No.STM1816TWX7F
R 2.941
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - - 3.04 x 1.4 x 1.02mm 1.02mm
RS stock no. 714-7878
Mfr. Part No.STM809RWX6F
R 6.048
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
RS stock no. 795-6900
Mfr. Part No.STM6710JWB6F
R 12.045
Each (In a Pack of 10)
units
4 Active Low - Yes - Adjustable Surface Mount SOT-23 6 Yes - 280ms 3.05 x 1.75 x 1.3mm 1.3mm
RS stock no. 578-847
Mfr. Part No.STM1001RWX6F
R 9.602
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. 624-8264
Mfr. Part No.STM1816SWX7F
R 7.468
Each (In a Pack of 10)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - - 3.04 x 1.4 x 1.02mm 1.02mm
RS stock no. 168-6324
Mfr. Part No.STM811SW16F
R 3.297
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. 189-2031
Mfr. Part No.STM6519APAAUB6F
R 9.857
Each (In a Pack of 25)
units
1 Active Low, Open Drain - - - - Surface Mount UDFN 6 - - 210ms 1.5 x 1.05 x 0.55mm 0.55mm