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
  
                       
LM3881MMXNOPB


Supervisory Circuits 3 rail simple power sequencer with adjustable time delay 8-VSSOP -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 : 2342
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USD 0.8651

Multiples of: 1

Voltage SupervisorySmd/Smt VSSOP - 8       1.2 ms5.5 V- 40 C+ 125 C Lm3881 Reel
TPS3838J25DBVR


Texas Instruments Supervisory Circuits 220nA w 10ms200ms Select delay time
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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 : 2342
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USD 1.173

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 51.6 v to 6 V1 InputOpen Collector / DrainManual Reset no watchdogNo Backup10 ms , 200 ms6 V- 40 C+ 85 C Tps3838j25 Reel
LN61CN2502MR-G


SOT-23-3L Monitors & Reset Circuits ROHS
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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.

NATLINEAR Availability : 2341
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USD 0.0289

Multiples of: 10

                   
BD5235G-TR


Supervisory Circuits CMOS DETEC VOLT 3.5V
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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 Availability : 2341
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USD 0.1634

Multiples of: 1

Voltage MonitorsSmd/Smt SSOP - 53.5 V1 InputOpen DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable10 V- 40 C+ 105 C1 %Bd52 Reel
NCP304LSQ38T1G


ON Semiconductor Supervisory Circuits ANA UNDERVOLT DETECT 3.8V
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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 : 2337
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USD 0.1994

Multiples of: 1

Voltage MonitorsSmd/Smt SC - 82AB - 43.8 V1 Input No Manual Reset no watchdog  10 V- 40 C+ 85 C2 %Ncp304 Reel
MIC706SMY-TR


Supervisory Circuits P Supervisor, Watchdog Timer, 2.93V VTH, SOIC-08
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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 : 2337
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USD 1.056

Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 8            Mic706 Reel
Hot BD5344G-TR


ROHM Semiconductor Supervisory Circuits CMOS DETEC VOLT 4.4V
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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 : 2335
Ship by Fri. 06 Sep to Thu. 12 Sep Calender.png

USD 0.1548

Multiples of: 1

Voltage MonitorsSmd/Smt SSOP - 54.4 V1 InputCmosNo Manual Reset no watchdogNo Backup 10 V- 40 C+ 105 C1 %Bd53 Reel
TC1270ANTVRCTR


Supervisory Circuits 4Pin uP Reset Mon 3.08V Reset Thresh
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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 : 2334
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 0.745

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 143 - 41 v to 5.5 V1 InputActive Low, Open DrainManual Reset no watchdog  5.5 V- 40 C+ 125 C Tc1270a Reel
LN61CC2802MR-G


SOT-23-3L Monitors & Reset Circuits ROHS
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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.

NATLINEAR Availability : 2331
Ship by Fri. 20 Sep to Wed. 25 Sep Calender.png

USD 0.0311

Multiples of: 10

                   
APX803S-29SR-7


Supervisory Circuits 2.93V 240ms MPU Reset Circuit
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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 : 2329
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USD 0.0791

Multiples of: 5

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