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 CPUs 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. 122-0666
Mfr. Part No.APX809-26SAG-7
R 1.348
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS stock no. 712-2766
Mfr. Part No.APX809-26SAG-7
R 3.855
Each (In a Pack of 25)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS stock no. 822-8893
Mfr. Part No.APX803-26SAG-7
R 3.859
Each (In a Pack of 30)
units
1 Active Low - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS stock no. 921-0638
Mfr. Part No.APX809-44SRG-7
R 1.017
Each (In a Pack of 50)
units
1 Active Low - - - 2.5 V, 3 V, 3.3 V, 5 V Surface Mount SOT-23R 3 Yes - 280ms 3 x 1.4 x 1mm 1mm
RS stock no. 822-8900
Mfr. Part No.APX803-31SRG-7
R 2.873
Each (In a Pack of 30)
units
1 Active Low - - - - Surface Mount SOT-23R 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS stock no. 712-2804
Mfr. Part No.APX809-46SAG-7
R 3.855
Each (In a Pack of 25)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS stock no. 822-8928
Mfr. Part No.APX823-31W5G-7
R 4.938
Each (In a Pack of 25)
units
1 Active Low Yes - - - Surface Mount SOT-25 5 Yes - 280ms 3.1 x 1.7 x 1.3mm 1.3mm
RS stock no. 121-9607
Mfr. Part No.APX810-29SAG-7
R 0.943
Each (On a Reel of 3000)
units
1 Active High - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS stock no. 712-2778
Mfr. Part No.APX809-29SAG-7
R 3.885
Each (In a Pack of 25)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS stock no. 712-2781
Mfr. Part No.APX809-31SAG-7
R 1.04
Each (In a Pack of 25)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS stock no. 921-0631
Mfr. Part No.APX810-44SAG-7
R 0.998
Each (In a Pack of 50)
units
1 Active High - - - 2.5 V, 3 V, 3.3 V, 5 V Surface Mount SOT-23 3 Yes - 280ms 3 x 1.4 x 1mm 1mm
RS stock no. 822-8906
Mfr. Part No.APX803-31SAG-7
R 1.183
Each (In a Pack of 30)
units
1 Active Low - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS stock no. 822-8625
Mfr. Part No.APX809-40SAG-7
R 3.857
Each (In a Pack of 50)
units
1 Active Low - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS stock no. 122-0668
Mfr. Part No.APX809-31SAG-7
R 1.024
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS stock no. 169-7379
Mfr. Part No.APX823-26W5G-7
R 1.278
Each (On a Reel of 3000)
units
1 Active Low Yes - - - Surface Mount SOT-25 5 Yes - 280ms 3.1 x 1.7 x 1.3mm 1.3mm
RS stock no. 165-8316
Mfr. Part No.APX823-46W5G-7
R 2.004
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. 169-7381
Mfr. Part No.APX823-31W5G-7
R 1.983
Each (On a Reel of 3000)
units
1 Active Low Yes - - - Surface Mount SOT-25 5 Yes - 280ms 3.1 x 1.7 x 1.3mm 1.3mm
RS stock no. 169-7378
Mfr. Part No.APX803-29SRG-7
R 1.135
Each (On a Reel of 3000)
units
1 Active Low - - - - Surface Mount SOT-23R 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS stock no. 822-8916
Mfr. Part No.APX810-29SAG-7
R 0.97
Each (In a Pack of 50)
units
1 Active High - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS stock no. 822-8925
Mfr. Part No.APX823-26W5G-7
R 1.308
Each (In a Pack of 25)
units
1 Active Low Yes - - - Surface Mount SOT-25 5 Yes - 280ms 3.1 x 1.7 x 1.3mm 1.3mm