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
  
                       
NCP302LSN18T1G


Supervisory Circuits 1.8V 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 : 13526
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.2284

Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)1.8 V1 InputActive Low, CmosNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 125 C2 %Ncp302 Reel
BU4220G-TR


Supervisory Circuits CMOS LOW VOLT DETEC
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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 : 13494
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.2242

Multiples of: 1

Voltage MonitorsSmd/Smt SSOP - 52 V1 InputOpen DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable7 V- 40 C+ 125 C1 %Bu42 Reel
NCP308SN180T1G


Processor Supervisor 1.67V 1.8V 6-Pin TSOP T/R
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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 : 13316
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USD 0.4381

Multiples of: 1

Voltage Detectors               Ncp308 Reel
HT7033S


SOT-23 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.

Youtai Availability : 13285
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USD 0.0334

Multiples of: 10

                   
MIC2791N-04VMT-TR


Supervisory Circuits Supervisor w/ High- Accuracy, Ultra-Fast
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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 : 13273
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USD 1.225

Multiples of: 1

Voltage SupervisorySmd/Smt TDFN - 60.4 V1 InputActive Low, Push - PullManual Reset no watchdogNo Backup1.2 s5.5 V- 40 C+ 125 C1 %  Reel
MAX708ESA-TG


Supervisory Circuits 4.38V uP Supervisory
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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 : 13135
Ship by Thu. 12 Dec to Tue. 17 Dec Calender.png

USD 0.4178

Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 81 V To 5.5 V1 InputPush - PullManual ResetNo Watchdogno watchdogNo Backup200 ms5.5 V- 40 C+ 85 C Max708 Reel
TPS3710QDSERQ1


Supervisory Circuits Automotive Wide-VIN 18V Voltage Detector
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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 : 13127
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USD 1.1649

Multiples of: 1

Voltage DetectorsSmd/Smt WSON - 6Adj1 InputActive Low, Open DrainNo Manual Reset no watchdogNo Backup-18 V- 40 C+ 125 C0.25 %Tps3710 - Q1Aec - Q100Cut Tape
APX812-29UG-7


Diodes Incorporated Supervisory Circuits 4-PIN MPU SUPERVISOR 2.93V Active-High
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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 : 13050
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USD 0.1744

Multiples of: 1

Voltage Supervisory               Apx812 Reel
TPS3620-33DGKT


Supervisory Circuits 3.3-V Battery-Backup for RAM Retention
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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 : 13011
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USD 2.1616

Multiples of: 1

Voltage SupervisorySmd/Smt MSOP - 83.3 v , 5 V1 InputPush - PullManual ResetNo Watchdogno watchdogBackup100 ms5.5 V- 40 C+ 85 C Tps3620 - 33 Reel
TPS3421ECDRYR


Supervisory Circuits Dual CH Push Button Cntlr
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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 : 12980
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USD 0.5736

Multiples of: 1

Voltage SupervisorySmd/Smt USON - 6 2 InputActive Low, Open DrainManual Reset no watchdogNo Backup150 us6.5 V- 40 C+ 125 C Tps3421ec Reel
NCP308SN500T1G


Processor Supervisor 4.65V 5V 6-Pin TSOP
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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 : 12542
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.4091

Multiples of: 1

Voltage Detectors               Ncp308 Reel
TPS3840DL16DBVRQ1


Supervisory Circuits Automotive 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 : 12502
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USD 0.514

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 51.6 V1 InputActive Low, Open DrainManual Reset no watchdogBackup619 ms10 V- 40 C+ 125 C1 %Tps3840Aec - Q100Cut Tape
BD48K35G-TL


ROHM Semiconductor Supervisory Circuits Standard Voltage Detector
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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 : 12483
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.1583

Multiples of: 1

Voltage MonitorsSmd/Smt SSOP - 33.5 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup 6 V- 40 C+ 105 C1 %Bd48 Reel
BD5231NVX-2CTL


Supervisory Circuits NANO ENERGY, 3.1V, ADJUSTABLE
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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 : 12300
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USD 0.3823

Multiples of: 1

Voltage DetectorsSMD/SMT SSON - 4  Open DrainNo Manual Reset No WatchdogNo Backup 3.1 V- 40 C+ 125 C2.5 % AEC - Q100Reel , Cut Tape
TPS3895PDRYR


Texas Instruments Supervisory Circuits Sgl Ch,Ultra Small Adj Sup 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.

Texas Instruments Availability : 12299
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.3795

Multiples of: 1

Voltage SupervisorySmd/Smt USON - 6Adj1 InputActive High, Push - PullManual Reset no watchdogNo Backup190 ms6.5 V- 40 C+ 125 C1 %Tps3895 Reel
HX61CN2202MR


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.

Analog Devices Availability : 12212
Ship by Thu. 12 Dec to Tue. 17 Dec Calender.png

USD 0.0382

Multiples of: 10

                   
BD5230NVX-2CTL


Supervisory Circuits NANO ENERGY, 3.0V, ADJUSTABLE
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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 : 12145
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.3734

Multiples of: 1

Voltage DetectorsSMD/SMT SSON - 4  Open DrainNo Manual Reset No WatchdogNo Backup 3.1 V- 40 C+ 125 C2.5 % AEC - Q100Reel , Cut Tape
TPS3813K33DBVT


Supervisory Circuits w/Prog Watchdog Window
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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 : 12142
Ship by Thu. 28 Nov to Wed. 04 Dec Calender.png

USD 1.1782

Multiples of: 250

Voltage SupervisorySmd/Smt SOT - 23 - 62.5 v , 3 v , 3.3 v , 5 v1 InputOpen Collector / DrainNo Manual ResetWatchdog No Backup25 ms6 V- 40 C+ 85 C Tps3813k33 Reel
TLV803EA29DBZR


Supervisory Circuits Low-power 3-pin voltage supervisor reset IC with active-low open-drain reset 3-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 : 12076
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.1576

Multiples of: 1

                  Cut Tape
APX803L20-42SA-7


Supervisory Circuits 4.2V, 220ms 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 : 11959
Ship by Tue. 26 Nov to Thu. 28 Nov Calender.png

USD 0.1087

Multiples of: 1

Voltage DetectorsSmd/Smt SOT - 23 - 34.2 V1 InputActive Low, Open DrainNo Manual Reset no watchdogNo Backup220 ms5.5 V- 40 C+ 150 C1.5 %Apx803l Cut Tape
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