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. 738-6297
Mfr. Part No.MCP1317T-29LE/OT
BrandMicrochip
HK$5.518
Each (In a Pack of 5)
units
1 Active High, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 2240ms 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 165-3363
Mfr. Part No.MCP1317T-29LE/OT
BrandMicrochip
HK$4.28
Each (On a Reel of 3000)
units
1 Active High, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 2240ms 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 165-3307
Mfr. Part No.TCM809RENB713
BrandMicrochip
HK$2.22
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. 738-6281
Mfr. Part No.TCM809RENB713
BrandMicrochip
HK$2.91
Each (On a Tape of 10)
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. 144-9251
Mfr. Part No.TC1232CPA
BrandMicrochip
HK$10.01
Each (In a Tube of 60)
units
1 Active High, Active Low, Open Drain, Push-Pull Yes Yes - - Through Hole PDIP 8 Yes - 1000ms 10.16 x 6.6 x 4.06mm 4.06mm
RS Stock No. 667-4262
Mfr. Part No.TC1232CPA
BrandMicrochip
HK$12.07
Each (In a Pack of 5)
units
1 Active High, Active Low, Open Drain, Push-Pull Yes Yes - - Through Hole PDIP 8 Yes - 1000ms 10.16 x 6.6 x 4.06mm 4.06mm
RS Stock No. 165-3562
Mfr. Part No.MCP121T-240E/TT
BrandMicrochip
HK$3.549
Each (On a Reel of 3000)
units
1 Active Low - Yes - - Surface Mount SOT-23B 3 - - 130ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 165-3584
Mfr. Part No.TC54VC4302ECB713
BrandMicrochip
HK$3.42
Each (On a Reel of 3000)
units
1 Active Low, CMOS - - - - Surface Mount SOT-23A 3 - Yes - 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 165-3585
Mfr. Part No.TC54VN1402ECB713
BrandMicrochip
HK$3.42
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23A 3 - Yes - 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 165-3517
Mfr. Part No.MCP121T-195I/TT
BrandMicrochip
HK$3.42
Each (On a Reel of 3000)
units
1 Active Low - Yes - - Surface Mount SOT-23B 3 - - 130ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 165-4861
Mfr. Part No.TCM809SENB713
BrandMicrochip
HK$2.22
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. 767-3447
Mfr. Part No.MCP111T-475E/TT
BrandMicrochip
HK$3.85
Each (In a Pack of 10)
units
1 Active Low - Yes - - Surface Mount SOT-23B 3 - - 130ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 738-6342
Mfr. Part No.MCP1322T-46LE/OT
BrandMicrochip
HK$5.39
Each (On a Tape of 5)
units
1 Active High, Active Low, Open Drain, Push-Pull Yes - - - Surface Mount SOT-23 5 Yes - 2240ms 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 165-3518
Mfr. Part No.MCP131T-195I/TT
BrandMicrochip
HK$3.42
Each (On a Reel of 3000)
units
1 Active Low - Yes - - Surface Mount SOT-23B 3 - - 130ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 767-3400
Mfr. Part No.MCP102T-195I/TT
BrandMicrochip
HK$4.54
Each (On a Tape of 10)
units
1 Active Low - Yes - - Surface Mount SOT-23B 3 - - 130ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 767-3311
Mfr. Part No.MCP121-240E/TO
BrandMicrochip
HK$4.54
Each (In a Pack of 10)
units
1 Active Low - Yes - - Through Hole TO-92 3 - - 130ms 4.95 x 3.94 x 4.95mm 4.95mm
RS Stock No. 774-7630
Mfr. Part No.TC1232EOA
BrandMicrochip
HK$11.44
Each (In a Bag of 5)
units
1 Active High, Active Low Yes Yes - - Surface Mount SOIC 8 Yes - 250ms 5 x 3.99 x 1.55mm 1.55mm
RS Stock No. 165-3586
Mfr. Part No.TC54VN2702ECB713
BrandMicrochip
HK$3.08
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23A 3 - Yes - 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 767-3438
Mfr. Part No.MCP111T-475E/LB
BrandMicrochip
HK$3.85
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. 912-2972
Mfr. Part No.MCP130T-450I/TT
BrandMicrochip
HK$2.91
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