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
  
                       
LP3470A263DBVR


Supervisory Circuits Ultra-low-power active-low reset IC with programmable delay and 1% reset threshold 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 : 1563
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USD 0.7946

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 52.63 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup619 ms10 V- 40 C+ 125 C1 %Lp3470a Cut Tape
BD53E42G-MTR


Supervisory Circuits VOLTAGE DETECTOR WADJ 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.

ROHM Availability : 1557
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USD 0.2996

Multiples of: 1

Voltage DetectorsSMD/SMT SSOP - 54.2 V1 InputCMOSNo Manual Reset No WatchdogNo BackupProgrammable10 V- 40 C+ 105 C1 %BD53ExxG - MAEC - Q101Reel , Cut Tape
TL7757CLPR


Supervisory Circuits 4.55V Monitr/Detectr
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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 : 1557
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USD 0.3294

Multiples of: 1

Voltage SupervisoryThrough Hole TO - 92 - 34.55 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdog   7 V0 C+ 70 C Tl7757 Reel
LN809C2641MR-G


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.

NATLINEAR Availability : 1553
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USD 0.0236

Multiples of: 10

                   
TPS3808G125QDBVRQ1


Supervisory Circuits AC Low Pwr Prgrm Delay Super
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Texas Instruments Availability : 1553
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USD 1.0152

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 61.25 V1 InputActive - Low,Open - DrainManual Reset no watchdog 1.25 ms to 10 s6.5 V- 40 C+ 125 C0.5 %Tps3808g125 - Q1Aec - Q100Reel
UM823RS


SOT-23-5 Monitors & Reset Circuits ROHS
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Union Availability : 1549
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USD 0.2461

Multiples of: 1

                   
R3111Q301A-TR-FE


Supervisory Circuits Low Voltage Detector
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Nisshinbo Availability : 1548
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USD 0.294

Multiples of: 1

 Smd/Smt SC - 82AB - 43 V1 InputActive Low, Open DrainNo Manual Reset no watchdogNo Backup   + 85 C R3111q Reel
SRC0GS22D


STMicroelectronics Supervisory Circuits
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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 : 1548
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USD 1.4404

Multiples of: 1

 Smd/Smt DFN - 12        5.5 V- 40 C+ 85 C Src0 Reel
S-80129BLPF-JEOTFG


Voltage Detector With Built In Delay Circuit 2.2V to 6V 4-Pin SNT-4A 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.

Ablic Availability : 1547
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USD 0.4267

Multiples of: 5000

                   
MCP120-450HI/TO


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 : 1547
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USD 0.489

Multiples of: 1

Voltage SupervisoryThrough Hole TO - 92 - 33 v , 3.3 v , 5 V1 InputActive Low, Open DrainNo Manual Reset no watchdogNo Backup350 ms5.5 V- 40 C+ 85 C Mcp120 Bulk
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