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
  
                       
MC34064P-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 : 788
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USD 0.3602
Multiples of: 1

Voltage SupervisoryThrough Hole TO - 92 - 3 (TO - 226)4.6 V1 InputOpen Collector / DrainNo Manual Reset no watchdogNo Backupadjustable6.5 V0 C+ 70 C Mc34064 Bulk
NCP304LSQ29T1G


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 : 205
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USD 0.2036
Multiples of: 1

Voltage MonitorsSmd/Smt SC - 82AB - 42.9 V1 InputActive Low, CmosNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 85 C2 %Ncp304 Reel
MAX809SQ400T1G


Supervisory Circuits ANA 4.0V MC 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.

ON Semiconductor Availability : 163
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USD 0.2116
Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 31.2 v to 4.9 V1 InputActive Low, Push - PullManual ResetNo Watchdogno watchdogNo Backup460 ms5.5 V- 40 C+ 105 C Max809 Reel
MC33164P-3RPG


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 : 161
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USD 0.3059
Multiples of: 1

Voltage SupervisoryThrough Hole TO - 92 - 3 (TO - 226)3 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable10 V- 40 C+ 125 C Mc33164 Ammo Pack
NCP303LSN17T1G


Supervisory Circuits ANA UNDERVOLT DETECT 1.7V
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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 : 160
Ship by Wed. 07 Aug to Fri. 09 Aug Calender.png

USD 0.2488
Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)1.7 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 125 C2 %Ncp303 Reel
MAX809LTRG


Supervisory Circuits 4.63V uP 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.

ON Semiconductor Availability : 150
Ship by Thu. 15 Aug to Tue. 20 Aug Calender.png

USD 0.2807
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 31.2 V To 4.9 V1 InputPush - PullNo Manual Reset no watchdogNo Backup460 ms5.5 V- 40 C+ 105 C Max809 Reel
MC34064SN-5T1G


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 : 147
Ship by Thu. 01 Aug to Wed. 07 Aug Calender.png

USD 0.4524
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 5 TH in (TSOP - 5)4.6 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable6.5 V0 C+ 70 C Mc34064 Reel
NCP304LSQ42T1G


Supervisory Circuits 4.2V 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 : 146
Ship by Wed. 07 Aug to Fri. 09 Aug Calender.png

USD 0.2124
Multiples of: 1

Voltage MonitorsSmd/Smt SC - 82AB - 44.2 V1 InputActive Low, CmosNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 85 C2 %Ncp304 Reel
NCV301LSN28T1G


Supervisory Circuits 2.8V Detector w/N-Channel Output
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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 : 127
Ship by Wed. 07 Aug to Fri. 09 Aug Calender.png

USD 0.1564
Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)2.8 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 125 C2 %Ncv301Aec - Q100Reel
NCP304LSQ27T1G


Supervisory Circuits 2.7V 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 : 125
Ship by Wed. 07 Aug to Fri. 09 Aug Calender.png

USD 0.2213
Multiples of: 1

Voltage MonitorsSmd/Smt SC - 82AB - 42.7 V1 InputActive Low, CmosNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 85 C2 %Ncp304 Reel
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