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. 168-5840
Mfr. Part No.STM809LWX6F
PHP7.19
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. 578-893
Mfr. Part No.STM809LWX6F
PHP26.78
Each (In a Pack of 5)
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. 578-916
Mfr. Part No.STM6822TWY6F
PHP42.256
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. 168-5842
Mfr. Part No.STM6822TWY6F
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. 686-1583
Mfr. Part No.STM1813MWX7F
PHP32.895
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. 624-8264
Mfr. Part No.STM1816SWX7F
PHP24.847
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. 795-9022
Mfr. Part No.STM6719TGWB6F
PHP49.266
Each (On a Tape of 5)
units
3 Active Low, Open Drain - - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 189-1871
Mfr. Part No.STM1818SWX7F
PHP14.214
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. 168-7729
Mfr. Part No.STM6719TGWB6F
PHP19.757
Each (On a Reel of 3000)
units
3 Active Low, Open Drain - - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 168-6320
Mfr. Part No.STM1816SWX7F
PHP10.822
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. 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. 686-1612
Mfr. Part No.STM812TW16F
PHP28.223
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. 168-6347
Mfr. Part No.STM6824RWY6F
PHP18.59
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. 168-6350
Mfr. Part No.STM6315SDW13F
PHP12.13
Each (On a Reel of 3000)
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. 714-7872
Mfr. Part No.STM809TWX6F
PHP16.283
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. 686-1637
Mfr. Part No.STM1816TWX7F
PHP25.918
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. 686-1542
Mfr. Part No.STM6821LWY6F
PHP68.78
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. 168-6345
Mfr. Part No.STM6825LWY6F
PHP16.948
Each (On a Reel of 3000)
units
1 Active High, Active Low, Push-Pull - - - - Surface Mount SOT-23 5 Yes - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 624-8365
Mfr. Part No.STM809SWX6F
PHP20.89
Each (In a Pack of 10)
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. 168-6360
Mfr. Part No.STM1001LWX6F
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