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
  
                       
NCV303LSN30T1G


Supervisory Circuits 3.0V Detector wReset 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 : 111
Ship by Thu. 15 Aug to Tue. 20 Aug Calender.png

USD 0.1592
Multiples of: 5

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)3 V1 Input No Manual ResetNo Watchdogno watchdog  10 V- 40 C+ 125 C2 %Ncv303Aec - Q100Reel
NCP303LSN20T1G


Supervisory Circuits 2.0V 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 : 101
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USD 0.2042
Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)2 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 125 C2 %Ncp303 Reel
MAX810SQ293D2T1G


Supervisory Circuits ANA 2.93V 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 : 97
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USD 0.2116
Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 31.2 v to 4.9 V1 InputPush - PullNo Manual ResetNo Watchdogno watchdogNo Backup66 ms5.5 V- 40 C+ 105 C Max810 Reel
NCV7428D1L5R2G


Supervisory Circuits LSLOPE LIN 5V 70MA LDO
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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 : 97
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USD 1.8305
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                  Reel
N84C161WD42TG


Supervisory Circuits CPU SUP WITH 16K EEPROM
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ON Semiconductor Availability : 75
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USD 2.0875
Multiples of: 1

                   
MC34064D-5G


Supervisory Circuits 4.59V UnderVoltage Sensing Circuit
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ON Semiconductor Availability : 69
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USD 0.3743
Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 84.6 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable6.5 V0 C+ 70 C Mc34064 Tube
MAX708SCUA-TG


Supervisory Circuits 2.93V uP Supervisory
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ON Semiconductor Availability : 65
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USD 0.4375
Multiples of: 1

Voltage SupervisorySmd/Smt MICRO - 81 v to 5.5 V1 InputPush - PullManual ResetNo Watchdogno watchdogNo Backup200 ms5.5 V- 40 C+ 85 C Max708 Reel
714758BB


MC33164P-003 MICROPOWER MPU RESET
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ON Semiconductor Availability : 48
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by Fri. 26 Jul Calender.png

USD 0.2949
Multiples of: 1

Voltage SupervisoryThrough Hole TO - 92 - 3 (TO - 226)3 V1 InputOpen Collector / DrainNo Manual Reset no watchdogNo Backupadjustable10 V- 40 C+ 125 C   Bulk
NCP803SN293T1G


Supervisory Circuits 2.93V 20mA 3-Pin w/uP Reset N-Channel
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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 : 48
Ship by Thu. 01 Aug to Wed. 07 Aug Calender.png

USD 0.3267
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 31.2 V To 4.9 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdog No Backup460 ms5.5 V- 40 C+ 105 C Ncp803 Reel
CAT809JTBI-GT3


Supervisory Circuits Push-pull Act 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 : 41
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USD 0.1462
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 32.5 V , 3 V , 3.3 V , 5 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdogno watchdogNo Backup240 ms5.5 V- 40 C+ 85 C Cat809 Reel
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