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
  
                       
Hot MIC1232MY


Supervisory Circuits Microprocessor Supervisor with Manual Reset, Watchdog Timer, 4.37V or 4.62V Threshold Voltage, 250ms Reset Pulse, and Push-Pull Active-High and Low Outputs (DS1232)
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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 : 790
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USD 0.767

Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 85 V1 InputActive High, Active Low, Open Drain, Push - PullManual ResetWatchdogWatchdogNo Backup250 ms5.5 V- 40 C+ 85 C Mic1232 Tube
MC34064P-5G


Supervisory Circuits 4.59V UnderVoltage Sensing 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.

ON Semiconductor Availability : 789
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USD 0.3602

Multiples of: 1

Voltage SupervisoryThrough Hole TO - 92 - 3 (TO - 226)4.6 V1 InputOpen Collector / DrainNo Manual Reset no watchdogNo Backupadjustable6.5 V0 C+ 70 C Mc34064 Bulk
LM3880MFE-1AE/NOPB


Supervisory Circuits 3 Rail Simple Power Sequencer with Fixed Time Delay 6-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 : 787
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USD 0.759

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Voltage SequencersSmd/Smt SOT - 23 - 61.25 V3 InputOpen DrainNo Manual ResetNo Watchdog No Backup 5.5 V- 40 C+ 125 C20 %Lm3880 Reel
BD48E45G-TR


Supervisor Open Drain or Open Collector 1 Channel 5-SSOP
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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 : 786
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USD 0.192

Multiples of: 1

Voltage DetectorsSmd/Smt SSOP - 54.5 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup100 us10 V- 40 C+ 105 C1 %  Cut Tape
R3119N063E-TR-FE


Supervisory Circuits 36V input Voltage Detector with output delay (output capacitor type)
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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.

Nisshinbo Availability : 782
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USD 0.6462

Multiples of: 1

Voltage DetectorsSmd/Smt SOT - 23 - 56.3 V1 InputCmos, Open DrainNo Manual Reset no watchdogNo Backup 6 V- 40 C+ 105 C1.5 %R3119n Reel
LP3470IM5X-2.93/NOPB


Supervisory Circuits Active-low reset IC with programmable delay and 1% reset threshold 5-SOT-23 -40 to 85
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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 : 780
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USD 1.2193

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 52.93 V1 InputActive Low, Open DrainNo Manual Reset no watchdogNo Backup2 ms5.5 V- 40 C+ 85 C1 %Lp3470 Reel
TL7702ACD


Supervisory Circuits 2.53V Monitor
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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 : 777
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USD 2.2544

Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 82.53 V1 InputActive High, Active Low, Open DrainManual ResetNo Watchdogno watchdogNo Backupprogrammable18 V0 C+ 70 C Tl7702a Tube
MCP121-195ITO


Microchip Technology Supervisory Circuits Open Drain 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.

Microchip Availability : 776
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USD 0.5636

Multiples of: 1

Voltage SupervisoryThrough Hole TO - 92 - 31.9 V1 Input No Manual Reset no watchdog  5.5 V- 40 C+ 85 C Mcp121 Bulk
NJU2103BE-TE1


Supervisory Circuits 280uA -0.3 to 20V 700mW 0.8V
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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.

Nisshinbo Availability : 776
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USD 2.9188

Multiples of: 1

                  Cut Tape
S-80828CLUA-B6NT2G


Supervisory Circuits 2.8V 0.8uA CMOS 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.

ABLIC Availability : 775
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USD 0.4538

Multiples of: 1

Voltage DetectorsSmd/Smt SOT - 89 - 32.8 V1 Input No Manual Reset no watchdog  10 V- 40 C+ 85 C2 %S - 808 Cut Tape
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