About Supervisory Circuits

On Semiconductor 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
  
                       
NCP304LSQ47T1G


Supervisory Circuits 4.7V Detector w/Reset Low
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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.

ON Semiconductor Availability : 0
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USD 0.2395
Multiples of: 1756

Voltage MonitorsSmd/Smt SC - 82AB - 44.7 V1 Input No Manual ResetNo Watchdogno watchdog  10 V- 40 C+ 85 C2 %Ncp304 Reel
NCP305LSQ40T1G


Supervisory Circuits 4.0V Detector w/Reset Low
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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.

ON Semiconductor Availability : 0
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USD 0.2471
Multiples of: 1756

Voltage MonitorsSmd/Smt SC - 82AB - 44 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 85 C2 %Ncp305 Reel
NCP301LSN16T1G


Supervisory Circuits 1.6V Detector w/Reset Low
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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.

ON Semiconductor Availability : 0
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USD 0.2471
Multiples of: 1756

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)1.6 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 125 C2 %Ncp301 Reel
NCP303LSN47T1G


Supervisory Circuits 4.7V Detector w/Reset Low
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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.

ON Semiconductor Availability : 0
Ship by 6 to 16 Weeks Calender.png

USD 0.2471
Multiples of: 1756

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)4.7 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 125 C2 %Ncp303 Reel
NCP305LSQ29T1G


Supervisory Circuits 2.9V Detector w/Reset Low
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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.

ON Semiconductor Availability : 0
Ship by 6 to 16 Weeks Calender.png

USD 0.2471
Multiples of: 1756

Voltage MonitorsSmd/Smt SC - 82AB - 42.9 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 85 C2 %Ncp305 Reel
NCV301LSN30T1G


Supervisory Circuits VOLTAGE DETECTOR 3.0V AUT
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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.

ON Semiconductor Availability : 0
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USD 0.2481
Multiples of: 1

Voltage Detectors                Aec - Q100Reel
NCV300LSN36T1G


ON Semiconductor Supervisory Circuits Voltg SUPERV AUTO 3.6V
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ON Semiconductor Availability : 0
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USD 0.2485
Multiples of: 1

Voltage Monitors               Ncv300Aec - Q100Reel
MC34164P-3G


Supervisory Circuits 2.65V UnderVoltage Sensing Circuit
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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.

ON Semiconductor Availability : 0
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USD 0.2501
Multiples of: 1

Voltage SupervisoryThrough Hole TO - 92 - 3 (TO - 226)3 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable10 V0 C+ 70 C Mc34164 Bulk
CAT872-50ULGT3


Supervisory Circuits 2 INPUT RESET 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.

ON Semiconductor Availability : 0
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USD 0.2575
Multiples of: 3000

Voltage SupervisorySmd/Smt ULLGA - 6 2 InputActive Low, Open DrainManual ResetWatchdogwatchdogNo Backup 5.5 V- 40 C+ 85 C Cat872 Reel
NCV308SN180T1G


Supervisory Circuits Low Quiescent Current Programmable Delay Time Supervisory Circuit 1.8 V
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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.

ON Semiconductor Availability : 0
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USD 0.2579
Multiples of: 1

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