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. 168-6347
Mfr. Part No.STM6824RWY6F
HK$3.03
Each (On a Reel of 3000)
units
1 Active High, Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 - - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 686-1561
Mfr. Part No.STM6824RWY6F
HK$6.788
Each (In a Pack of 5)
units
1 Active High, Active Low, Push-Pull Yes - - - Surface Mount SOT-23 5 - - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 714-7872
Mfr. Part No.STM809TWX6F
HK$2.097
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. 168-7321
Mfr. Part No.STM809TWX6F
HK$0.931
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. 686-1583
Mfr. Part No.STM1813MWX7F
HK$4.237
Each (In a Pack of 10)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 Yes - - 3.04 x 1.4 x 1.02mm 1.02mm
New
RS Stock No. 189-2010
Mfr. Part No.STM6321SWY6F
HK$7.326
Each (In a Pack of 10)
units
1 Active High, Active Low, Open Drain, Push-Pull Yes - - - Surface Mount SOT-23 5 - - 280ms 3 x 1.75 x 1.3mm 1.3mm
RS Stock No. 795-9088
Mfr. Part No.STM6522AAAADG6F
HK$2.952
Each (In a Pack of 5)
units
1 Active Low, Open Drain - - - - Surface Mount TDFN 8 - - 280ms 2 x 2 x 0.75mm 0.75mm
RS Stock No. 686-1595
Mfr. Part No.STM1818TWX7F
HK$2.589
Each (In a Pack of 10)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 Yes - - 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 686-1491
Mfr. Part No.STM6322SWY6F
HK$5.296
Each (In a Pack of 5)
units
1 Active High, Active Low, Open Drain, Push-Pull - - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 686-1785
Mfr. Part No.STM819LM6E
HK$16.272
Each (In a Pack of 5)
units
1 Active Low, Push-Pull - Yes - - Surface Mount SOIC 8 Yes Yes 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 168-6355
Mfr. Part No.STM811RW16F
HK$1.97
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. 168-6358
Mfr. Part No.STM1815SWX7F
HK$1.783
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - - 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 168-6342
Mfr. Part No.STM6821LWY6F
HK$3.78
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. 714-7878
Mfr. Part No.STM809RWX6F
HK$2.32
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
RS Stock No. 686-1687
Mfr. Part No.STM809MWX6F
HK$2.435
Each (In a Pack of 25)
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. 168-6338
Mfr. Part No.STM6322SWY6F
HK$3.02
Each (On a Reel of 3000)
units
1 Active High, Active Low, Open Drain, Push-Pull - - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 165-7496
Mfr. Part No.STM6823RWY6F
HK$3.445
Each (On a Reel of 3000)
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. 795-7382
Mfr. Part No.STM6710LWB6F
HK$7.504
Each (On a Tape of 5)
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. 686-1589
Mfr. Part No.STM6315SDW13F
HK$4.299
Each (In a Pack of 10)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-143 4 Yes - 210ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 168-6365
Mfr. Part No.STM819LM6E
HK$4.622
Each (In a Tube of 100)
units
1 Active Low, Push-Pull - Yes - - Surface Mount SOIC 8 Yes Yes 280ms 5 x 4 x 1.5mm 1.5mm