About Supervisory Circuits

Supervisory Circuits

Supervisory circuits are electronic circuits used to monitor and control the operation of other circuits or systems. They are commonly found in appliances, industrial equipment and other electronic systems where reliable operation is required. Supervisory circuits monitor and control the behavior of other circuits and systems, providing feedback and making adjustments as necessary to keep them within acceptable parameters. They are generally composed of several parts, including sensors, comparators, alarms, timers, and relays. The sensors monitor the voltage, current, and temperature of the circuits and systems, while the comparators compare these values to normal operating parameters. Alarms are triggered when parameters are out of range, while the relays are used to activate corrective actions, such as turning off equipment or engaging a fail-safe mode. Timers are typically used to monitor the length of time a certain condition has been present, allowing the supervisor circuit to shut down the system before it is damaged by an enduring failure.

Supervisory Circuits

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(Ex. GST)(▲▼)		Enter Qty TypeMounting StyleOutput VoltagePackage / CaseThreshold VoltageNumber of Inputs MonitoredOutput TypeManual ResetWatchdogWatchdog TimersBattery Backup SwitchingReset Delay TimeSupply Voltage - MaxMinimum Operating TemperatureMaximum Operating TemperatureAccuracySeriesQualificationPackaging
  
                       
UCD9081RHBRG4


Power Supply Sequencer and Monitor 32-Pin VQFN EP T/R
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Texas Instruments Availability : 0
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USD 4.2647

Multiples of: 3000

Voltage SequencersSmd/Smt VQFN - 32 8 Input No Manual Reset no watchdog  3.3 V- 40 C+ 85 C Ucd9081 Reel
TPS3610T50PWRG4


Processor Supervisor 4.55V 1.8V/5V 14-Pin TSSOP T/R
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Texas Instruments Availability : 0
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USD 4.2648

Multiples of: 2000

Voltage SupervisorySmd/Smt TSSOP - 141.8 v , 5 V1 InputActive LowManual Reset watchdogBackup140 ms5.5 V- 40 C+ 85 C Tps3610t50 Reel
MAX6746KA16+T


Supervisory Circuits uP Reset Circuits with Capacitor-Adjustable Reset/Watchdog Timeout Delay
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Analog Devices Availability : 0
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USD 4.2656

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 8L1.575 v to 5 V1 InputActive Low, Push - PullManual ResetWatchdogwatchdogNo Backup9.487 ms5.5 V- 40 C+ 125 C Max6746 Reel
LTC2908CTS8-B1#PBF


Supervisory Circuits LTC2908 - Precision Six Input Supply Monitor
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Analog Devices Availability : 0
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USD 4.2666

Multiples of: 1

    3.086 V             Each
MAX824MEUK+T


Supervisory Circuits 5-Pin Microprocessor Supervisory Circuits with Watchdog Timer and Manual Reset
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Analog Devices Availability : 0
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USD 4.2737

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 5L2.5 v , 3 v , 3.3 v , 5 v1 InputActive High, Active Low, Push - PullNo Manual ResetWatchdogwatchdogNo Backup280 ms5.5 V- 40 C+ 125 C Max824m Reel
MAX708ESA+


Supervisory Circuits Single uPower Supervisor
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Analog Devices Availability : 0
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USD 4.2737

Multiples of: 1

Voltage Supervisory  SOIC N4.4 V1 InputActive High, Active Low, Push - PullManual ResetNo Watchdogno watchdogNo Backup280 ms5.5 V- 40 C+ 85 C Max708 Tube
MAX6720UTTGD3+T


Supervisory Circuits DualTriple Ultra-Low-Voltage SOT23 P Supervisory Circuits
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Analog Devices Availability : 0
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USD 4.275

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 6L1.8 v to 5 v , 0.9 v to 3.3 v3 InputActive Low, Push - PullManual Reset no watchdogNo Backup210 ms5.5 V- 40 C+ 85 C Max6720 Cut Tape
MAX6725AKASVD3+T


Supervisory Circuits DualTriple Ultra-Low-Voltage SOT23 P Supervisory Circuits
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Analog Devices Availability : 0
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USD 4.275

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 81.8 v to 5 v , 0.9 v to 3.3 v3 InputActive High, Active Low, Open DrainManual Reset watchdogNo Backup280 ms5.5 V- 40 C+ 125 C Max6725 Cut Tape
MAX6717UKSYD3+T


Supervisory Circuits DualTriple Ultra-Low-Voltage SOT23 P Supervisory Circuits
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Analog Devices Availability : 0
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USD 4.275

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 51.8 v to 5 v , 0.9 v to 3.3 v2 InputActive Low, Open DrainManual Reset no watchdogNo Backup210 ms5.5 V- 40 C+ 85 C Max6717 Cut Tape
UC3903DW


Supervisory Circuits Quad Supply and Line Monitor
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Texas Instruments Availability : 0
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USD 4.2775

Multiples of: 40

Voltage SupervisorySmd/Smt SOIC - 18Adj4 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable40 V0 C+ 70 C Uc3903 Tube
MAX824REUK+T


Supervisory Circuits 5-Pin Microprocessor Supervisory Circuits with Watchdog Timer and Manual Reset
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Analog Devices Availability : 0
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USD 4.2819

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 5L2.5 v , 3 v , 3.3 v , 5 v1 InputActive High, Active Low, Push - PullNo Manual ResetWatchdogwatchdogNo Backup280 ms5.5 V- 40 C+ 125 C Max824r Reel
MAX6361PUT29+T


Maxim Integrated Supervisory Circuits Low-Power MPU Supervisor
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Analog Devices Availability : 0
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USD 4.2819

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 62.5 v , 3 v , 3.3 v , 5 v1 InputActive Low, Open DrainManual Reset no watchdogBackup280 ms5.5 V- 40 C+ 85 C Max6361p Reel
STM1404ARNIQ6F


Supervisory Circuits 3V FIPS 140 Security supervisor
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STMicroelectronics Availability : 0
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USD 4.2833

Multiples of: 1

Voltage SupervisorySmd/Smt QFN - 16         - 40 C+ 85 C Stm1404 Reel
LTC2954CDDB-1#TRMPBF


Supervisory Circuits Push Button On/Off Controller with U Interrupt for Menu Driven Applications
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Analog Devices Availability : 0
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USD 4.289

Multiples of: 1

 Smd/Smt DFN - 8            Ltc2954 Cut Tape
MAX6355TZUT+T


Supervisory Circuits Dual/Triple-Voltage uP Supervisory Circuits
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Analog Devices Availability : 0
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USD 4.29

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 61.8 v , 2.5 v , 3 v , 3.3 v , 5 v3 InputActive Low, Open DrainManual Reset no watchdogNo Backup280 ms5.5 V- 40 C+ 85 C Max6355t Cut Tape
LTC2913HMS-2#PBF


Supervisory Circuits OCTAL MONITOR
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Analog Devices Availability : 0
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USD 4.2978

Multiples of: 1

Voltage MonitorsSmd/Smt MSOP - 10Adj2 InputOpen DrainManual Reset no watchdogNo Backup8.5 ms7 V- 40 C+ 125 C1.5 %Ltc2913Aec - Q100Tube
MAX824TEXK+T


Supervisory Circuits 5-Pin Microprocessor Supervisory Circuits with Watchdog Timer and Manual Reset
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Analog Devices Availability : 0
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USD 4.2981

Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 52.5 v , 3 v , 3.3 v , 5 v1 InputActive High, Active Low, Push - PullNo Manual Reset watchdogNo Backup280 ms5.5 V- 40 C+ 85 C Max824t Cut Tape
LTC2966ISW#PBF


Supervisory Circuits 100V Dual Micropower Voltage Monitor
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Analog Devices Availability : 0
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USD 4.3011

Multiples of: 1

 Smd/Smt SO - 20            Ltc2966 Tube
MAX16021LTEV+


Supervisory Circuits uPwr w/Bat-Backup 1.571V
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Analog Devices Availability : 0
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USD 4.3016

Multiples of: 1

Voltage SupervisorySmd/Smt TQFN - 16 EP1.571 V1 InputPush - PullManual ResetWatchdogwatchdogBackup215 ms5.5 V + 85 C Max16021l Tube
MAX6338AUB+


Supervisory Circuits Quad Voltage Monitor with Four Outputs in uMAX Package
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Analog Devices Availability : 0
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USD 4.3033

Multiples of: 81

Voltage SupervisorySmd/Smt UMAX- 5 v , 1.8 v , 2.5 v , 3 v , 3.3 v , 5 v4 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogNo Backup 5.5 V- 40 C+ 85 C10 %Max6338a Tube
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