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
  
                       
R3111H451A-T1-FE


Supervisory Circuits Low Voltage Detector
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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.

Nisshinbo Availability : 532
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USD 0.4186

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 89 - 34.5 V1 InputCmos, Open DrainNo Manual Reset no watchdogBackup 10 V- 40 C+ 85 C2 %R3111h Reel
UCD9090RGZT


Supervisory Circuits 10CH SEQUENCER AND SYS HEALTH 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 : 531
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USD 7.1686

Multiples of: 1

Voltage SupervisorySmd/Smt VQFN - 482.5 V11 InputOpen Drain, Push - PullManual ResetWatchdogwatchdogNo Backupprogrammable3.6 V- 40 C+ 110 C Ucd9090 Reel
LM3880MFX-1AF/NOPB


Supervisory Circuits 3 Rail Simple Power Sequencer with Fixed Time Delay 6-SOT-23 -40 to 125
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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 : 528
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USD 0.7088

Multiples of: 1

Voltage SequencersSmd/Smt SOT - 23 - 6        5.5 V- 40 C+ 125 C Lm3880 Reel
TPS3779CDBVT


Texas Instruments Supervisory Circuits Low Power, Dual Voltage Detector
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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 : 528
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USD 1.2134

Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 6Adj2 InputPush - PullManual Reset no watchdogNo Backup 6.5 V- 40 C+ 125 C1 %Tps3779 Reel
MCP112-450E/TO


Supervisory Circuits 1uA Sup P-P Act Low
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Microchip Availability : 525
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USD 0.4956

Multiples of: 1

Voltage SupervisoryThrough Hole TO - 92 - 34.38 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdogno watchdogNo Backup 5.5 V- 40 C+ 125 C Mcp112 Bulk
MAX706PCSA


Active High 1 SOP-8 Monitors & Reset Circuits ROHS
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MSKSEMI Availability : 525
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USD 0.6495

Multiples of: 1

    2.63 V Push Pull Yes          
MCP120-300ISN


Microchip Technology Supervisory Circuits Open Drain Low
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Microchip Availability : 524
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USD 0.6539

Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 83 v , 3.3 v , 5 V1 InputActive Low, Open DrainNo Manual Reset no watchdogNo Backup350 ms5.5 V- 40 C+ 85 C Mcp120 Tube
CN825Z


SOT-23-6 Monitors & Reset Circuits ROHS
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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.

Consonance Availability : 521
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USD 0.0866

Multiples of: 5

                   
LM809M3-3.08/NOPB


Supervisory Circuits UP SUPERVISORY IC
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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 : 519
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USD 0.5236

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 233.08 V1 InputActive LowNo Manual ResetNo Watchdogno watchdogNo Backup240 ms5.5 V- 40 C+ 105 C Lm809 Reel
S-1000N23-I4T1G


Voltage Detector 1.5V to 4.6V 4-Pin SNT-A 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.

Ablic Availability : 518
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USD 0.3615

Multiples of: 5000

                   
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