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
  
                       
NCV303LSN40T1G


Supervisory Circuits Voltage Detector Series with Programmable Delay and Open Drain N-Channel Output Undervoltage 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.

ON Semiconductor Availability : 582
Ship by Fri. 13 Sep to Tue. 17 Sep Calender.png

USD 0.3737

Multiples of: 1

Voltage Detectors               Ncv303Aec - Q100Cut Tape
TLC7703QPW


Supervisory Circuits Sngl SVS f/3.0V Sys w/Prg Time 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.

Texas Instruments Availability : 582
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USD 1.495

Multiples of: 1

Voltage SupervisorySmd/Smt TSSOP - 85 V1 InputPush - PullNo Manual ResetNo Watchdogno watchdogBackupadjustable6 V- 40 C+ 125 C Tlc7703 Tube
BU4936G-TR


Supervisory Circuits LOW VOLT VOLT
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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.

ROHM Availability : 581
Ship by Fri. 13 Sep to Tue. 17 Sep Calender.png

USD 0.2207

Multiples of: 1

Voltage DetectorsSmd/Smt SSOP - 53.6 V1 InputCmosNo Manual Reset no watchdogNo Backupno7 V- 40 C+ 125 C1 %Bu4936g Reel
MCP100-270DI/TO


Supervisor Push-Pull, Totem Pole 1 Channel TO-92-3
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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.

Microchip Availability : 581
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USD 0.2982

Multiples of: 50

Voltage SupervisoryThrough Hole TO - 92 - 33 v , 3.3 v , 5 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdog No Backup 5.5 V- 40 C+ 85 C   Bulk
ispPAC-POWR1220AT8-02TN100I


Power Supply Controller Power Supply Monitor, Sequencer 100-TQFP (14x14)
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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.

Lattice Availability : 580
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USD 18.239

Multiples of: 1

Voltage SupervisorySmd/Smt TQFP - 100Programmable12 InputCmos, Open DrainNo Manual ResetNo Watchdogno watchdogNo Backup 3.96 V- 40 C+ 85 C Powr1220at8 - 02Tn Tray
NCP308MTADJTBG


Supervisory Circuits Voltage Supervisor, Ultra Low Quiescent Current, Programmable Delay Time
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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 : 579
Ship by Mon. 23 Sep to Thu. 26 Sep Calender.png

USD 0.5021

Multiples of: 1

Voltage Supervisory               Ncp308 Reel
MAX706CSA


Active Low 1 SOP-8 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.

MSKSEMI Availability : 579
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USD 0.626

Multiples of: 1

    4.4 V Push Pull            
NCP803SN463D1T1G


Processor Supervisor 4.63V 1.2V to 4.9V 3-Pin SOT-23 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.

ON Semiconductor Availability : 578
Ship by Fri. 13 Sep to Tue. 17 Sep Calender.png

USD 0.2185

Multiples of: 1

                Ncp803 Reel
NCP300LSN18T1G


Supervisory Circuits 1.8V 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 : 573
Ship by Fri. 13 Sep to Tue. 17 Sep Calender.png

USD 0.1955

Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)1.8 V1 InputActive Low, CmosNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 125 C2 %Ncp300 Reel
MC33064P-5G


Supervisory Circuits 4.59V 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 : 572
Ship by Mon. 09 Sep to Fri. 13 Sep Calender.png

USD 0.3002

Multiples of: 1

Voltage SupervisoryThrough Hole TO - 92 - 3 (TO - 226)4.6 V1 InputOpen Collector / DrainNo Manual Reset no watchdogNo Backupadjustable6.5 V- 40 C+ 85 C Mc33064 Bulk
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