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
  
                       
CAT1021WI-30-GT3


Voltage Monitor 3V/3.3V/5V 8-Pin SOIC N 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 : 4365
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USD 0.9269

Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 8 Wide3 V , 3.3 V , 5 V1 Input Manual Reset watchdog  5.5 V- 40 C+ 85 C Cat1021 Reel
MIC2777-31YM5-TR


Supervisory Circuits Dual Voltage Supervisor with 0.3V and 3.09V Thresholds, Active-High and Active-L
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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 : 4364
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USD 0.8372

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23            Mic2777 Reel
TLV809EA43DBZR


Supervisory Circuits Low-power 3-pin voltage supervisor reset IC with active-low push-pull 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 : 4337
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USD 0.0897

Multiples of: 1

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Hot SP708SEN-LTR


SP708 Series 2.93 V 200 ms Low Power Microprocessor Supervisory Circuit- NSOIC-8
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MaxLinear Availability : 4327
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USD 0.2863

Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 8 Narrow2.93 V1 InputActive High, Active Low, Push - PullManual Reset watchdogNo Backup200 ms5.5 V- 40 C+ 85 C Sp708 Reel
MCP810T-485ITT


Microchip Technology Supervisory Circuits Push-Pull High
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Microchip Availability : 4323
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USD 0.5362

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 33 v , 3.3 v , 5 V1 InputActive High, Push - PullNo Manual Reset no watchdogNo Backup 5.5 V- 40 C+ 85 C Mcp810 Reel
RN5VD29AA-TR-FE


Supervisory Circuits Low Voltage Detector w/output delay
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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 : 4313
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USD 0.2762

Multiples of: 1

Voltage DetectorsSmd/Smt SOT - 23 - 52.9 V1 InputCmos, Open DrainNo Manual Reset no watchdogBackup 10 V- 40 C+ 85 C2.5 %Rn5vd Cut Tape
BU4210FVE-TR


Supervisory Circuits LOW VOLT DETECT VOLT 1.2V
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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 : 4305
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USD 0.3216

Multiples of: 1

Voltage MonitorsSmd/Smt VSOF - 51 V1 InputOpen DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable7 V- 40 C+ 125 C1 %Bu42 Reel
TPS3103K33DBVT


Supervisory Circuits Current/Supply-Volt 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.

Texas Instruments Availability : 4297
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USD 1.656

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 62.941 V1 InputActive Low, Open DrainManual ResetNo Watchdogno watchdogNo Backup130 ms3.3 V- 40 C+ 85 C0.75 %Tps3103k33 Reel
BD46272G-TR


Supervisory Circuits RESET DETEC VOLT 2.8V
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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.

ROHM Availability : 4296
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USD 0.248

Multiples of: 3000

Voltage MonitorsSmd/Smt SSOP - 52.8 V1 InputCmosNo Manual Reset no watchdogNo Backup  - 40 C+ 105 C1 %Bd46 Reel
MCP121T-240E/LB


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 : 1491
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USD 0.5463

Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 32.32 V1 Input No Manual Reset no watchdog  5.5 V- 40 C+ 125 C Mcp121 Reel
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