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. 165-9133
Mfr. Part No.MAX690AESA+
MYR27.989
Each (In a Tube of 100)
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. 178-5303
Mfr. Part No.MCP101T-460I/TT
BrandMicrochip
MYR1.193
Each (On a Reel of 3000)
units
1 Push-Pull - Yes - - Surface Mount SOT-23 3 - - 10µs 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 190-4853
Mfr. Part No.MAX6814XK+T
MYR7.834
Each (On a Reel of 2500)
units
1 Active Low, Push-Pull Yes - - - Surface Mount SC-70 5 - - - 2.2 x 1.35 x 1mm 1mm
RS Stock No. 165-3307
Mfr. Part No.TCM809RENB713
BrandMicrochip
MYR1.06
Each (On a Reel of 3000)
units
1 Active Low, Push-Pull - - - - Surface Mount SOT-23B 3 - - 560ms 3.05 x 1.4 x 1.02mm 1.02mm
RS Stock No. 189-7783
Mfr. Part No.DS1233-10+
MYR3.45
Each (In a Bag of 2000)
units
1 Active Low, Open Drain - Yes - - Through Hole TO-92 3 Yes - 450ms 4.95 x 3.94 x 4.95mm 4.95mm
RS Stock No. 190-1566
Mfr. Part No.MAX703CPA+
MYR39.64
Each
units
1 Active Low, Push-Pull - Yes - - Through Hole PDIP 8 Yes Yes 280ms 9.91 x 7.87 x 4.45mm 4.45mm
RS Stock No. 166-472
Mfr. Part No.MAX702CPA+
MYR22.17
Each
units
1 Active Low, Push-Pull - - - - Through Hole PDIP 8 Yes - 500ms 9.91 x 7.87 x 4.45mm 4.45mm
RS Stock No. 189-7839
Mfr. Part No.MAX691CPE+
MYR24.368
Each (In a Tube of 25)
units
1 Active High, Active Low, Push-Pull Yes Yes Yes - Through Hole PDIP 16 - Yes 70ms 19.43 x 7.87 x 4.45mm 4.45mm
RS Stock No. 767-3462
Mfr. Part No.MCP112T-315E/LB
BrandMicrochip
MYR1.84
Each (In a Pack of 10)
units
1 Active Low - Yes - - Surface Mount SC-70 3 - - 130ms 2.25 x 1.35 x 1mm 1mm
RS Stock No. 162-4724
Mfr. Part No.LM3724IM5-4.63/NOPB
MYR4.07
Each (On a Reel of 1000)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 5 Yes - 560ms 2.92 x 1.6 x 1.02mm 1.02mm
RS Stock No. 162-7177
Mfr. Part No.TPS3824-33DBVT
MYR5.44
Each (On a Reel of 250)
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. 170-8221
Mfr. Part No.X5043S8Z
MYR18.241
Each (In a Tube of 100)
units
1 Active Low Yes - Yes - Surface Mount SOIC 8 - - 400ms 4.9 x 3.9 x 1.45mm 1.45mm
RS Stock No. 169-279
Mfr. Part No.MAX706TCPA+
MYR20.11
Each
units
1 Active Low, Push-Pull Yes Yes - - Through Hole PDIP 8 Yes - 280ms 9.91 x 7.87 x 4.45mm 4.45mm
RS Stock No. 189-7879
Mfr. Part No.MAX813LCSA+
MYR10.788
Each (In a Tube of 100)
units
1 Active High Yes Yes - - Surface Mount SOIC 8 Yes - 280ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 190-1668
Mfr. Part No.MAX706SESA+
MYR37.26
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. 709-1909
Mfr. Part No.ADM6315-29D3ARTZR7
MYR9.37
Each (In a Pack of 5)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-143 4 Yes - 336ms 2.9 x 1.3 x 0.9mm 0.9mm
RS Stock No. 187-9410
Mfr. Part No.MCP1316T-31RE/OT
BrandMicrochip
MYR1.978
Each (On a Reel of 3000)
units
1 Push-Pull Yes - - - Surface Mount SOT-23 5 Yes Yes 2240ms 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 168-7738
Mfr. Part No.STM6522AAAADG6F
MYR1.30
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - - - - Surface Mount TDFN 8 - - 280ms 2 x 2 x 0.75mm 0.75mm
RS Stock No. 190-1519
Mfr. Part No.MAX6355LSUT+T
MYR18.505
Each (In a Pack of 2)
units
3 Active Low, Open Drain - - - - Surface Mount SOT-23 6 Yes - 280ms 3 x 1.75 x 1.3mm 1.3mm
RS Stock No. 189-7864
Mfr. Part No.MAX709LCSA+
MYR9.784
Each (In a Tube of 100)
units
1 Active Low, Push-Pull - - - - Surface Mount SOIC 8 - - 560ms 5 x 4 x 1.5mm 1.5mm
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