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. 168-6351
Mfr. Part No.STM1818TWX7F
$0.50
Each (On a Reel of 3000)
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. 686-1589
Mfr. Part No.STM6315SDW13F
$0.923
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. 686-1687
Mfr. Part No.STM809MWX6F
$0.661
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. 686-1637
Mfr. Part No.STM1816TWX7F
$0.814
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. 686-1674
Mfr. Part No.STM810TWX6F
$0.619
Each (In a Pack of 25)
units
1 Active High, Push-Pull - - - - 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
$1.936
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. 168-6341
Mfr. Part No.STM6321RWY6F
$1.18
Each (On a Reel of 3000)
units
1 Active High, Active Low, Open Drain, Push-Pull Yes - - - Surface Mount SOT-23 5 - - 280ms 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 168-7205
Mfr. Part No.STM6710LWB6F
$0.661
Each (On a Reel of 3000)
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. 189-2010
Mfr. Part No.STM6321SWY6F
$1.41
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. 624-8264
Mfr. Part No.STM1816SWX7F
$0.808
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. 795-6900
Mfr. Part No.STM6710JWB6F
$1.386
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. 686-1508
Mfr. Part No.STM6322MWY6F
$1.584
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. 795-7382
Mfr. Part No.STM6710LWB6F
$1.628
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. 189-1873
Mfr. Part No.STM6519APAAUB6F
$0.451
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - - - - Surface Mount UDFN 6 - - 210ms 1.5 x 1.05 x 0.55mm 0.55mm
RS Stock No. 686-1583
Mfr. Part No.STM1813MWX7F
$1.12
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. 686-1542
Mfr. Part No.STM6821LWY6F
$2.20
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
$0.617
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. 168-7321
Mfr. Part No.STM809TWX6F
$0.238
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. 168-6343
Mfr. Part No.STM6822RWY6F
$0.617
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. 687-6033
Mfr. Part No.STM6780SWB6F
$1.496
Each (In a Pack of 5)
units
2 Active Low, Open Drain - - - - Surface Mount SOT-23 6 Yes - 280ms 2.9 x 1.6 x 1.15mm 1.15mm