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
  
                       
NCV303LSN13T1G


Supervisory Circuits ANA UNDERVOLT
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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 0.2622
Multiples of: 3000

Voltage Detectors               Ncv303 Cut Tape
NCV301LSN12T1G


Supervisory Circuits 1.2V Detector w/N-Channel Output
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ON Semiconductor Availability : 0
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USD 0.2622
Multiples of: 3000

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)1.2 V1 Input No Manual Reset no watchdog  10 V- 40 C+ 125 C2 %Ncv301 Reel
NCV305LSQ44T1G


Supervisory Circuits Voltage Detector Series with Open Drain N-Channel Output 4.4 V, Reset Low
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ON Semiconductor Availability : 0
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USD 0.2668
Multiples of: 3000

Voltage Detectors               Ncp305 Reel
MAX803SQ263T1G


Supervisory Circuits ANA 2.63V MCROPROC RESET
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USD 0.2674
Multiples of: 3000

Voltage SupervisorySmd/Smt SC - 70 - 31.2 v to 4.9 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogNo Backup460 ms5.5 V- 40 C+ 105 C Max803 Reel
NCP301HSN09T1G


ON Semiconductor Supervisory Circuits 0.9V Detector wReset High
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ON Semiconductor Availability : 0
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USD 0.2685
Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)0.9 V1 Input No Manual Reset no watchdog  10 V- 40 C+ 85 C2 %Ncp301 Reel
MC33164P-5RPG


Supervisory Circuits 4.27V UnderVoltage Sensing Circuit
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USD 0.2708
Multiples of: 2000

Voltage SupervisoryThrough Hole TO - 92 - 3 (TO - 226)5 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable10 V- 40 C+ 125 C Mc33164 Ammo Pack
NCP305LSQ30T1G


Supervisor Open Drain or Open Collector 1 Channel SC-82AB
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ON Semiconductor Availability : 0
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USD 0.2758
Multiples of: 1574

Voltage MonitorsSmd/Smt SC - 82AB - 43 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 85 C2 %Ncp305 Reel
CAT824LTDI-GT3


Supervisory Circuits act low act hiWD
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ON Semiconductor Availability : 0
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USD 0.276
Multiples of: 1

Voltage SupervisorySmd/Smt TSOT - 23 - 53 v , 3.3 v , 5 V1 Input No Manual ResetWatchdog   5.5 V- 40 C+ 85 C Cat824 Reel
MAX708TESA-TG


Supervisory Circuits 3.08V uP Supervisory
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ON Semiconductor Availability : 0
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USD 0.2769
Multiples of: 77

Voltage SupervisorySmd/Smt SOIC - 81 v to 5.5 V1 InputPush - PullManual ResetNo Watchdogno watchdogNo Backup200 ms5.5 V- 40 C+ 85 C Max708 Reel
NCV303LSN25T1G


Supervisory Circuits VOLTAGE DETECTOR 2.5
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ON Semiconductor Availability : 0
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USD 0.278
Multiples of: 1

Voltage Detectors                Aec - Q100Cut Tape
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