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. 356-9962
Mfr. Part No.TLC7733ID
TWD96.00
Each
units
1 - - - - - Surface Mount SOIC 8 - - - 4.9 x 3.91 x 1.58mm 1.58mm
RS Stock No. 662-3375
Mfr. Part No.TPS3808G30DBVT
TWD47.00
Each (In a Pack of 5)
units
1 Open Drain - - - - Surface Mount SOT-23 6 Yes - - 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 162-7164
Mfr. Part No.TPS3808G30DBVT
TWD45.20
Each (On a Reel of 250)
units
1 Open Drain - - - - Surface Mount SOT-23 6 Yes - - 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 923-5775
Mfr. Part No.DS1233AZ-10+
TWD55.20
Each (In a Tube of 75)
units
1 Active Low, Open Drain - Yes - - Surface Mount SOT-223 3 + Tab Yes - 450ms 6.5 x 3.5 x 1.8mm 1.8mm
RS Stock No. 732-7286
Mfr. Part No.DS1233AZ-10+
TWD76.00
Each
units
1 Active Low, Open Drain - Yes - - Surface Mount SOT-223 3 + Tab Yes - 450ms 6.5 x 3.5 x 1.8mm 1.8mm
RS Stock No. 412-412
Mfr. Part No.ADM690AARNZ
TWD153.00
Each
units
1 Active Low, Push-Pull Yes Yes - - Surface Mount SOIC 8 - Yes 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 165-3308
Mfr. Part No.MCP130T-300I/TT
BrandMicrochip
TWD11.90
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - 700ms 2.9 x 1.3 x 0.95mm 0.95mm
RS Stock No. 189-1871
Mfr. Part No.STM1818SWX7F
TWD10.20
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. 738-6465
Mfr. Part No.MCP130T-300I/TT
BrandMicrochip
TWD15.80
Each (In a Pack of 10)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - 700ms 2.9 x 1.3 x 0.95mm 0.95mm
RS Stock No. 161-0124
Mfr. Part No.ADM690AARNZ
TWD117.30
Each (In a Tube of 98)
units
1 Active Low, Push-Pull Yes Yes - - Surface Mount SOIC 8 - Yes 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 189-1932
Mfr. Part No.STM1818SWX7F
TWD23.60
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. 169-7376
Mfr. Part No.APX803-26SAG-7
TWD3.60
Each (On a Reel of 3000)
units
1 Active Low - - - - Surface Mount SOT-23 3 - - 280ms 3 x 1.4 x 1mm 1mm
RS Stock No. 822-8893
Mfr. Part No.APX803-26SAG-7
TWD9.30
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. 662-3359
Mfr. Part No.TPS3808G09DBVT
TWD70.80
Each (In a Pack of 5)
units
1 Open Drain - - - - Surface Mount SOT-23 6 Yes - - 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 162-7165
Mfr. Part No.TPS3808G09DBVT
TWD48.20
Each (On a Reel of 250)
units
1 Open Drain - - - - Surface Mount SOT-23 6 Yes - - 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 168-6338
Mfr. Part No.STM6322SWY6F
TWD12.30
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. 412-406
Mfr. Part No.ADM706TARZ
TWD89.00
Each (In a Pack of 5)
units
1 Active Low, Push-Pull Yes Yes - - Surface Mount SOIC 8 Yes - 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 686-1491
Mfr. Part No.STM6322SWY6F
TWD30.20
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. 662-3426
Mfr. Part No.TPS3824-33DBVT
TWD68.20
Each (In a Pack of 5)
units
1 Active High, Active Low Yes - - - Surface Mount SOT-23 5 - - - 2.9 x 1.6 x 1.15mm 1.15mm
RS Stock No. 145-7113
Mfr. Part No.TPS3824-50DBVT
TWD46.40
Each (On a Reel of 250)
units
1 - Yes - - - Surface Mount SOT-23 5 - - - 2.9 x 1.6 x 1.15mm 1.15mm