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
New
RS Stock No. 193-1531
Mfr. Part No.ISL88011IH529Z-T7A
PHP109.055
Each (On a Reel of 250)
units
1 Active High - - - 2.92V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm
New
RS Stock No. 193-1527
Mfr. Part No.ISL88011IH523Z-T7A
PHP109.055
Each (On a Reel of 250)
units
1 Active High - - - 2.32V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm
RS Stock No. 189-7820
Mfr. Part No.MAX6303ESA+
PHP265.759
Each (In a Tube of 100)
units
1 Active Low, Push-Pull Yes - - Adjustable Surface Mount SOIC 8 Yes - 5.2ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 178-5300
Mfr. Part No.MCP100T-485I/TT
BrandMicrochip
PHP14.994
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. 162-7153
Mfr. Part No.TPS3307-18D
PHP163.80
Each (In a Tube of 75)
units
3 Active High, Active Low - - - - Surface Mount SOIC 8 Yes - 280ms 4.9 x 3.91 x 1.58mm 1.58mm
RS Stock No. 165-3290
Mfr. Part No.MCP1319MT-29LE/OT
BrandMicrochip
PHP26.775
Each (On a Reel of 3000)
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. 667-4262
Mfr. Part No.TC1232CPA
BrandMicrochip
PHP74.03
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. 138-758
Mfr. Part No.DS1811R-10+T&R
PHP120.83
Each
units
1 Active Low, Open Drain - Yes - - Surface Mount SOT-23 3 - - 300ms 2.92 x 1.3 x 0.94mm 0.94mm
RS Stock No. 168-6359
Mfr. Part No.STM1001MWX6F
PHP10.61
Each (On a Reel of 3000)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - 280ms 3.04 x 1.4 x 1.02mm 1.02mm
RS Stock No. 767-3276
Mfr. Part No.MCP102-240E/TO
BrandMicrochip
PHP27.83
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. 889-5963
Mfr. Part No.MCP120T-450I/TT
BrandMicrochip
PHP17.85
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. 806-2466
Mfr. Part No.MAX708TESA-TG
PHP33.201
Each (On a Tape of 20)
units
1 Active High, Active Low, Push-Pull - Yes - 3.08V Surface Mount SOIC 8 Yes Yes 200ms 5 x 4 x 1.5mm 1.5mm
RS Stock No. 189-7858
Mfr. Part No.MAX707CPA+
PHP239.114
Each (In a Tube of 50)
units
1 Active High, Active Low, Push-Pull - Yes - - Through Hole PDIP 8 Yes - 280ms 9.91 x 7.87 x 4.45mm 4.45mm
RS Stock No. 190-5532
Mfr. Part No.DS1233DZ-15+
PHP110.854
Each (In a Pack of 5)
units
1 - - Yes - 3.3V Surface Mount SOT-223 3 + Tab - - 450ms 6.7 x 3.7 x 1.8mm 1.8mm
RS Stock No. 732-6772
Mfr. Part No.MAX6369KA+T
PHP173.50
Each
units
1 Active Low, Open Drain Yes - - - Surface Mount SOT-23 8 - - - 3 x 1.75 x 1.3mm 1.3mm
RS Stock No. 144-9252
Mfr. Part No.TC1232COA
BrandMicrochip
PHP52.50
Each (In a Tube of 100)
units
1 Active High, Active Low, Open Drain, Push-Pull Yes Yes - - Surface Mount SOIC 8 Yes - 1000ms 4.9 x 3.91 x 1.42mm 1.42mm
RS Stock No. 162-7169
Mfr. Part No.TPS3808G25DBVT
PHP80.648
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. 578-847
Mfr. Part No.STM1001RWX6F
PHP32.67
Each (In a Pack of 5)
units
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - 280ms 3.04 x 1.4 x 1.02mm 1.02mm
New
RS Stock No. 193-1537
Mfr. Part No.ISL88011IH546Z-T7A
PHP109.055
Each (On a Reel of 250)
units
1 Active High - - - 4.64V Surface Mount SOT-23 5 Yes - - 3 x 1.7 x 1.3mm 1.3mm
RS Stock No. 686-1609
Mfr. Part No.STM812SW16F
PHP28.223
Each (In a Pack of 10)
units
1 Active High, Push-Pull - - - - Surface Mount SOT-143 4 Yes - 280ms 3.04 x 1.4 x 1.02mm 1.02mm
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