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
  
                       
BD4721G-TR


Supervisory Circuits RESET DETEC VOLT 2.1V
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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 : 2754
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USD 0.3729

Multiples of: 256

Voltage MonitorsSmd/Smt SOT - 23 - 52.1 V1 InputOpen CollectorsNo Manual ResetNo Watchdogno watchdogNo Backup 0.85 V- 40 C+ 75 C1 %Bd47 Reel
TPS3805H33QDCKREP


Supervisory Circuits Mil Enhance Dual Vltg Detectors
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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 : 2751
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USD 1.7825

Multiples of: 1

Voltage MonitorsSmd/Smt SC - 70 - 51.226 V2 InputPush - PullNo Manual ResetNo Watchdogno watchdogNo Backup5.5 us5.5 V- 55 C+ 125 C1.5 %Tps3805h33 - Ep Reel
APX803L40-39SA-7


Supervisory Circuits 3.9V 450ms Reset Generator
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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.

Diodes Incorporated Availability : 2749
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USD 0.087

Multiples of: 5

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STM6601DS2BDM6F


Supervisory Circuits Smart Push-Button Power On Lock Out
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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.

STMicroelectronics Availability : 2748
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USD 0.9768

Multiples of: 1

Voltage SupervisorySmd/Smt TDFN - 123.4 V1 InputOpen Collector / DrainManual ResetNo Watchdogno watchdogNo Backup 5.5 V- 40 C+ 85 C Stm6601 Reel
TPS3851G25EDRBR


Supervisory Circuits High-Accuracy Voltage Supervisor With Integrated Watchdog Timer 8-SON -40 to 125
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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 : 2746
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USD 0.6578

Multiples of: 1

Voltage SupervisorySmd/Smt SON - 82.5 V1 InputActive - Low,Open - DrainManual Reset watchdog  5 V- 40 C+ 125 C1 %Tps3851 Cut Tape
BU45K352G-TL


Supervisory Circuits 3.5V 200ms SSOP3 Nch Volt Detctr IC
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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 : 2745
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USD 0.2736

Multiples of: 1

Voltage DetectorsSmd/Smt SSOP3 - 33.5 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup200 ms6 V- 40 C+ 105 C1 %Bu45/Bu46 Cut Tape
NCP304LSQ23T1G


Supervisory Circuits 2.3V 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 : 2744
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USD 0.1932

Multiples of: 1

Voltage MonitorsSmd/Smt SC - 82AB - 42.3 V1 Input No Manual Reset no watchdog  10 V- 40 C+ 85 C2 %Ncp304 Reel
BD5339G-TR


Supervisory Circuits CMOS DETEC VOLT 3.9V
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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 : 2744
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USD 0.2177

Multiples of: 1

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MAX810SQ120T1G


Supervisory Circuits ANA 1.20V 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 : 2744
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USD 0.2675

Multiples of: 1

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TPS3840DL46DBVR


Supervisory Circuits Nanopower high-input voltage supervisor with manual reset and programmable-reset time delay 5-SOT-23 -40 to 125
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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 : 2744
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USD 0.3948

Multiples of: 1

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