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
  
                       
STM810LWX6F


Supervisory Circuits 4.63V Reset 140ms
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STMicroelectronics 245991
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AUD 0.2885
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 33 V , 3.3 V , 5 V1 InputActive High, Push - PullNo Manual ResetNo Watchdogno watchdogNo Backup280 ms5.5 V- 40 C+ 85 C Stm810 Reel
STM809SWX6F


Supervisory Circuits 2.93V Reset 140ms
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STMicroelectronics 204991
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AUD 0.1731
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 33 V , 3.3 V , 5 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdog No Backup280 ms5.5 V- 40 C+ 85 C Stm809 Reel
STM6524AHARDL6F


Supervisory Circuits 6-Pin Smart Reset 1.65V to 5.5V 1.5uA
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STMicroelectronics 168780
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AUD 0.7308
Multiples of: 1

Voltage SupervisorySmd/Smt UDFN - 6 2 InputActive Low, Open DrainManual ResetNo Watchdogno watchdogNo Backup4 s5.5 V- 40 C+ 85 C Stm6524 Reel
NCV302HSN45T1G


Supervisory Circuits ANA UNDERVOLT DETECT
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ON Semiconductor 165850
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AUD 0.7484
Multiples of: 1

                   
APX809S-26SA-7


Supervisory Circuits Reset Generator
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Diodes Incorporated 142809
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AUD 0.1415
Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 32.63 V1 InputActive Low, Push - PullNo Manual Reset no watchdogNo Backup240 ms5.5 V- 40 C+ 125 C Apx809s/810S Cut Tape
STM811SW16F


Supervisor Push-Pull, Totem Pole 1 Channel SOT-143-4
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STMicroelectronics 136770
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AUD 0.338
Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 143 - 43 V , 3.3 V , 5 V1 InputActive Low, Push - PullManual ResetNo Watchdog No Backup280 ms5.5 V- 40 C+ 85 C Stm811 Reel
CAT809STBI-GT3


Supervisory Circuits Push-pull Act low
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ON Semiconductor 103045
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AUD 0.3202
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
NCV308SNADJT1G


Supervisory Circuits Programmable Delay Time
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ON Semiconductor 101850
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AUD 0.3603
Multiples of: 1

Voltage SupervisorySmd/Smt TSOP - 60.405 V1 InputActive Low, Open DrainManual Reset no watchdogNo Backup 5.5 V- 40 C+ 150 C  Aec - Q100Cut Tape
BD52E30G-MTR


Supervisory Circuits VOLTAGE DETECTOR W/ADJ DELAY
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ROHM 96783
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AUD 0.5292
Multiples of: 1

Voltage DetectorsSMD/SMT SSOP - 53 V1 InputOpen DrainNo Manual Reset No WatchdogNo BackupProgrammable10 V- 40 C+ 105 C1 %BD52ExxG - MAEC - Q101Reel , Cut Tape
APX823-44W5G-7


Supervisory Circuits 1.1V-5.5V 4.38V 20mA
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Diodes Incorporated 2604
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AUD 0.2106
Multiples of: 5

Voltage SupervisorySmd/Smt SOT - 25 - 54.38 V1 InputActive LowManual ResetWatchdogwatchdogNo Backup280 ms5.5 V- 40 C+ 85 C Apx823 Reel
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