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
  
                       
BU45K302G-TL


Supervisory Circuits Voltage Detector with Fixed 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.

ROHM Availability : 3617
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USD 0.2946

Multiples of: 1

                Bu45/Bu46 Reel
APX803L-29C3-7


Supervisory Circuits 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 : 3616
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USD 0.1425

Multiples of: 1

Voltage DetectorsSmd/Smt SOT - 323 - 32.9 V1 InputActive Low, Open DrainNo Manual Reset no watchdogNo Backup-5.5 V- 40 C+ 150 C1.5 %Apx803l Cut Tape
TC1270ANMVCTTR


Supervisory Circuits 5Pin uP Reset Mon 4.38V Reset Thresh
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Microchip Availability : 3613
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USD 0.745

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 51 v to 5.5 V1 InputActive Low, Open DrainManual Reset no watchdog  5.5 V- 40 C+ 125 C Tc1270a Reel
APX803S05-31SA-7


Supervisory Circuits 3.08V, 50ms 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 : 3611
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USD 0.1081

Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 33.08 V1 InputActive Low, Open DrainNo Manual Reset no watchdogNo Backup50 ms5.5 V- 40 C+ 85 C Apx803s Cut Tape
APX803-29SRG-7


Supervisory Circuits LINEAR REGULATOR VOLT SPVSR,2.93V
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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 : 3610
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USD 0.1242

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23R - 3 4 InputOpen Collector / DrainNo Manual Reset no watchdogNo Backup200 ms5.5 V- 40 C+ 85 C Apx803 Reel
MCP130T-485I/TT


Supervisor Open Drain or Open Collector 1 Channel SOT-23-3
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Microchip Availability : 3604
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USD 0.4657

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 33 v , 3.3 v , 5 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdog No Backup350 ms5.5 V- 40 C+ 85 C   Reel
STM6904TGEDS6F


STMicroelectronics Supervisory Circuits Quad Quint Ultra-Low Current Multi Volt
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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.

STMicroelectronics Availability : 3579
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USD 1.0936

Multiples of: 1

Voltage SupervisorySmd/Smt TSSOP - 83.078 v , 1.11 V4 Input Manual ResetNo Watchdogno watchdog  5.5 V- 40 C+ 85 C Stm6904 Reel
TL7702ACDR


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 : 3575
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USD 1.817

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 Reel
BD4729G-TR


Supervisory Circuits RESET DETEC VOLT 2.9V
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ROHM Availability : 3573
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USD 0.2564

Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 52.9 V1 InputOpen CollectorsNo Manual Reset no watchdogNo Backup  - 40 C+ 75 C1 %Bd47 Reel
MAX809TEXR+T


MPU Supervisor - 1.2V-5.5V supply - Active-Low - Push-Pull reset - 240 ms delay/3.08V threshold - SC-70-3.
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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.

Analog Devices Availability : 3573
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USD 2.133

Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 3L2.5 v , 3 v , 3.3 v , 5 v1 InputActive Low, Push - PullNo Manual ResetNo Watchdogno watchdogNo Backup240 ms5.5 V- 40 C+ 125 C Max809t Reel
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