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 CPU’s 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庫存編號 163-2442
製造零件編號MAX809STRG
HK$1.04
個 (在毎卷:3000)
單位
1 Active Low, Push-Pull - - - - Surface Mount SOT-23 3 - - 460ms 2.9 x 1.3 x 0.94mm 0.94mm
RS庫存編號 516-5067
製造零件編號MC34064P-5G
HK$5.56
單位
1 - - - - - Through Hole TO-92 3 - - - 5.2 x 4.19 x 5.33mm 5.33mm
RS庫存編號 806-2508
製造零件編號MAX810RTRG
HK$4.08
/個 (每包:20個)
單位
1 Active High, Push-Pull - - - 2.63V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS庫存編號 806-2488
製造零件編號MAX809JTRG
HK$3.31
Each (On a Tape of 25)
單位
1 Active Low, Push-Pull N N N 4V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS庫存編號 163-2647
製造零件編號NCP803SN160T1G
HK$1.57
個 (在毎卷:3000)
單位
1 Active Low, Open Drain - - - - Surface Mount SOT-23 3 - - 460ms 2.9 x 1.3 x 0.94mm 0.94mm
RS庫存編號 864-7802
製造零件編號MAX809MTRG
HK$2.98
/個 (每包:25個)
單位
1 Active Low - - - 5V Surface Mount SOT-23 3 - - 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS庫存編號 463-224
製造零件編號MC33064P-5G
HK$4.58
/個 (每包:20個)
單位
1 - - - - - Through Hole TO-92 3 - - - 5.2 x 4.19 x 5.33mm 5.33mm
RS庫存編號 806-2523
製造零件編號MAX810SQ463T1G
HK$4.08
/個 (每包:20個)
單位
1 Active High, Push-Pull - - - 4.63V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm
RS庫存編號 806-2463
製造零件編號MAX803SQ293D3T1G
HK$3.41
/個 (每包:25個)
單位
1 Active Low, Open Drain - - - 2.93V Surface Mount SC-70 3 - Yes 300ms 2.2 x 1.35 x 0.9mm 0.9mm
RS庫存編號 163-0449
製造零件編號MAX809SN160T1G
HK$1.33
個 (在毎卷:3000)
單位
1 Active Low, Push-Pull - - - 1.6V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS庫存編號 163-0442
製造零件編號MAX708ESA-TG
HK$2.81
個 (在毎卷:2500)
單位
1 Active High, Active Low, Push-Pull - Yes - 4.38V Surface Mount SOIC 8 Yes Yes 200ms 5 x 4 x 1.5mm 1.5mm
RS庫存編號 806-2504
製造零件編號MAX809SQ463T1G
HK$2.731
/個 (每包:20個)
單位
1 Active Low, Push-Pull - - - 4.63V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm
RS庫存編號 163-0459
製造零件編號MAX810TTRG
HK$1.617
個 (在毎卷:3000)
單位
1 Active High, Push-Pull - - - 3.08V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS庫存編號 806-2491
製造零件編號MAX809SQ293T1G
HK$4.08
Each (On a Tape of 20)
單位
1 Active Low, Push-Pull - - - 2.93V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm
RS庫存編號 163-0448
製造零件編號MAX809JTRG
HK$1.33
個 (在毎卷:3000)
單位
1 Active Low, Push-Pull N N N 4V Surface Mount SOT-23 3 - Yes 460ms 3.04 x 1.4 x 1.01mm 1.01mm
RS庫存編號 122-0073
製造零件編號MC33064P-5G
HK$2.36
個 (以毎袋:2000)
單位
1 - - - - - Through Hole TO-92 3 - - - 5.2 x 4.19 x 5.33mm 5.33mm
RS庫存編號 163-0458
製造零件編號MAX810SQ463T1G
HK$1.64
個 (在毎卷:3000)
單位
1 Active High, Push-Pull - - - 4.63V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm
RS庫存編號 806-2514
製造零件編號MAX810SQ438T1G
HK$4.08
/個 (每包:20個)
單位
1 Active High, Push-Pull - - - 4.38V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm
RS庫存編號 163-0454
製造零件編號MAX809SQ463T1G
HK$1.64
個 (在毎卷:3000)
單位
1 Active Low, Push-Pull - - - 4.63V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm
RS庫存編號 145-4243
製造零件編號MAX803SQ438T1G
HK$1.607
個 (在毎卷:3000)
單位
1 Active Low, Open Drain - - - 4.38V Surface Mount SC-70 3 - Yes 460ms 2.2 x 1.35 x 0.9mm 0.9mm