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
  
                       
HT7030-1


SOT-89-3 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 : 876
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USD 0.0355

Multiples of: 10

                   
TPS3305-18DG4


Supervisory Circuits Dual Processor
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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 : 874
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USD 1.95

Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 81.8 v , 3.3 V2 InputPush - PullManual ResetWatchdog No Backup200 ms6 V- 40 C+ 85 C Tps3305 - 18 Tube
S-80829CNUA-B8OT2G


Processor Supervisor 2.9V 1 Active Low/Open Drain 4-Pin(3+Tab) SOT-89
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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 : 873
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USD 0.4267

Multiples of: 1000

                   
S-80843CNUA-B84T2U


Supervisory Circuits 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.

Ablic Availability : 873
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USD 0.5162

Multiples of: 1

Voltage Detectors  SOT - 89 - 3            S - 808 Cut Tape
TPS3123J12DBVR


Supervisory Circuits Ultra-Low Voltage Processor
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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 : 873
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USD 1.3

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 50.85 v to 3.3 V1 InputPush - PullManual Reset watchdogNo Backup180 ms3.3 V- 40 C+ 85 C Tps3123j12 Reel
MD7070


SOT-89-3 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.

Mingda Availability : 871
Ship by Mon. 23 Sep to Thu. 26 Sep Calender.png

USD 0.0656

Multiples of: 5

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TL7757CPK


Supervisor Open Drain or Open Collector 1 Channel SOT-89-3
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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 : 870
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USD 0.3214

Multiples of: 1000

Voltage SupervisorySmd/Smt SOT - 89 - 34.55 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backup 7 V0 C+ 70 C Tl7757 Reel
MCP130-315DI/TO


Supervisor Open Drain or Open Collector 1 Channel TO-92-3
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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 : 870
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USD 0.4956

Multiples of: 1

Voltage SupervisoryThrough Hole TO - 92 - 33 v , 3.3 v , 5 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogNo Backup350 ms5.5 V- 40 C+ 85 C Mcp130 Bulk
TPS3305-33DGNR


Supervisory Circuits Dual Processor
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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 : 870
Ship by Fri. 13 Sep to Tue. 17 Sep Calender.png

USD 1.6219

Multiples of: 1

Voltage SupervisorySmd/Smt HVSSOP - 85 v , 3.3 V2 InputPush - PullManual ResetWatchdogwatchdogNo Backup200 ms6 V- 40 C+ 85 C Tps3305 - 33 Reel
TLV810SDBZT


Supervisor Push-Pull, Totem Pole 1 Channel SOT-23-3
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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 : 869
Ship by Mon. 09 Sep to Fri. 13 Sep Calender.png

USD 0.6405

Multiples of: 250

Voltage SupervisorySmd/Smt SOT - 23 - 32.5 v , 3 v , 3.3 v , 5 v4 InputActive High, Push - PullNo Manual Reset no watchdogNo Backup200 ms6 V- 40 C+ 125 C Tlv810s Reel
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