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
  
                       
X40431S14-A


Supervisory Circuits
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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.

Renesas Availability : 569
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USD 1.75

Multiples of: 1

                   
TPS3851G33EDRBT


Supervisory Circuits High-Accuracy Voltage Supervisor With Integrated Watchdog Timer 8-SON -40 to 125
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Texas Instruments Availability : 565
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USD 0.8275

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Voltage SupervisorySmd/Smt SON - 83.3 V1 InputActive - Low,Open - DrainManual Reset watchdogNo Backup200 ms5 V- 40 C+ 125 C1 %Tps3851 Cut Tape
NCP304LSQ37T1G


ON Semiconductor Supervisory Circuits 3.7V Detector wReset Low
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ON Semiconductor Availability : 564
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USD 0.2499

Multiples of: 1

Voltage MonitorsSmd/Smt SC - 82AB - 43.7 V1 Input No Manual Reset no watchdog  10 V- 40 C+ 85 C2 %Ncp304 Reel
TPS3839G12DBZT


Supervisory Circuits Ult-Lo 150nA Ult-Sm Vtg Supervisor
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Texas Instruments Availability : 559
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USD 0.3938

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Voltage SupervisorySmd/Smt SOT - 23 - 30.9 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdogno watchdogNo Backup200 ms6.5 V- 40 C+ 85 C Tps3839g12 Reel
S-80834CNUA-B8TT2G


Supervisory Circuits 3.4V 1.3uA N-Ch Open
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ABLIC Availability : 559
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USD 0.4538

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Voltage DetectorsSmd/Smt SOT - 89 - 33.4 V1 Input No Manual Reset no watchdog adjustable10 V- 40 C+ 85 C2 %S - 808 Cut Tape
TC54VC4502EMB713


Supervisory Circuits 4.5vVtg Det 2% Tol.
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Microchip Availability : 558
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USD 0.6964

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Voltage SupervisorySmd/Smt SOT - 89 - 31.1 v to 6 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdogno watchdog  10 V- 40 C+ 85 C Tc54 Reel
Hot TLV840MADL12DBVRQ1


Supervisory Circuits Automotive low-voltage supervisor with adjustable-reset time delay and manual reset
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Texas Instruments Availability : 554
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USD 0.3471

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Voltage SupervisorySMD/SMT SOT - 23 - 51.2 V1 InputActive Low, Open DrainManual Reset No WatchdogNo Backup40 us6 V- 40 C+ 125 C0.5 %TLV840 - Q1 Reel , Cut Tape
TLV809EA29DPWR


Supervisory Circuits Low-power voltage supervisor (reset IC) with active-low push-pull output 5-X2SON -40 to 125
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Texas Instruments Availability : 554
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USD 0.3812

Multiples of: 1

    2.93 V Push Pull            
BU4937F-TR


Supervisory Circuits IC CMOS VOLT DETECT
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ROHM Availability : 552
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USD 0.2305

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Voltage DetectorsSmd/Smt SOP - 43.7 V1 InputCmosNo Manual Reset no watchdogNo Backupno7 V- 40 C+ 125 C1 %Bu4937f Cut Tape
MIC706TMY


Supervisory Circuits P Supervisor, Watchdog Timer, 2.93V VTH, SOIC-08 (Lead Free)
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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 : 552
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USD 1.0038

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Voltage SupervisorySmd/Smt SOIC - 84.4 V1 InputActive High, Active LowManual ResetWatchdogWatchdogBackup 5.5 V- 40 C+ 85 C Mic706 Tube
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