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
  
                       
BD4745G-TR


Supervisory Circuits RESET DETEC VOLT 4.5V
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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 36862
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USD 0.17
Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 54.5 V1 InputOpen CollectorsNo Manual ResetNo Watchdogno watchdogNo Backup 0.85 V- 40 C+ 75 C1 %Bd47 Reel
STM6823MWY6F


STMicroelectronics Supervisory Circuits 4.270 to 4.490VRST WatchdogManual Inpt
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STMicroelectronics 36619
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USD 0.3703
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 52.5 v , 3 v , 3.3 v , 5 v1 InputActive Low, Push - PullManual ResetWatchdog No Backup280 ms5.5 V- 40 C+ 85 C Stm6823 Reel
MIC826SYMT-TR


Supervisory Circuits Voltage Supervisor Watchdog/Dual Output
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Microchip 33874
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USD 0.3531
Multiples of: 1

Voltage SupervisorySmd/Smt TDFN - 61.8 v to 5 V1 InputActive High, Active Low, Push - PullManual ResetWatchdogwatchdogNo Backup10 us5 V- 40 C+ 125 C Mic826 Reel
MCP121T-300E/LB


Supervisory Circuits Open Drain Low
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Microchip 33587
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USD 0.4876
Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 32.93 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogNo Backup120 ms5.5 V- 40 C+ 125 C Mcp121 Reel
APX811-29UG-7


Supervisory Circuits 4-Pin MPU Supervisor 240ms -0.3 to 7v
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Diodes Incorporated 33532
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USD 0.1357
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 1432.5 v , 3 v , 3.3 v , 5 v1 InputActive High, Active Low, Push - PullManual ResetNo Watchdog  200 ms5.5 V- 40 C+ 85 C Apx811 Reel
TPS3808G01DBVR


Supervisory Circuits Programmable-Delay Supervisory
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Texas Instruments 32925
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USD 0.1756
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 6Adj1 InputActive - Low,Open - DrainManual Reset no watchdogNo Backup1.25 ms To 10 s6.5 V- 40 C+ 125 C0.5 %Tps3808g01 Cut Tape
APX803S05-29SA-7


Supervisory Circuits 2.93V 50ms MPU Reset Circuit
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Diodes Incorporated 32022
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USD 0.1139
Multiples of: 1

                  Cut Tape
BU45L232G-TL


Supervisory Circuits 2.3V 200ms SSOP3 Nch Volt Detctr IC
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ROHM 32010
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USD 0.2666
Multiples of: 3000

Voltage DetectorsSmd/Smt SSOP3 - 32.3 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup200 ms6 V- 40 C+ 105 C1 %Bu45/Bu46 Cut Tape
MAX803SQ438T1G


Supervisory Circuits ANA 4.38V MC RESET
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ON Semiconductor 31267
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USD 0.1909
Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 31.2 V To 4.9 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backup460 ms5.5 V- 40 C+ 105 C Max803 Reel
NCV308SN330T1G


Supervisory Circuits Voltage Supervisor, Ultra Low Quiescent Current, Programmable Delay Time
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ON Semiconductor 781
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USD 0.1932
Multiples of: 1

Voltage Detectors               Ncp308Aec - Q100Reel
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