About Supervisory Circuits

Texas Instruments 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
  
                       
TPS3840DL29DBVR


Supervisory Circuits Nanopower high-input voltage supervisor with manual reset and programmable-reset time delay 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 : 105
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USD 0.5504
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 232.9 V2 InputActive Low, Open DrainManual Reset no watchdogBackup6.2 s10 V- 40 C+ 125 C1 %Tps3840 Cut Tape
LM809M3-3.08


Supervisory Circuits A 926-LM809M3-3.08NOPB
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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 : 0
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USD 0.6192
Multiples of: 1000

Voltage SupervisorySmd/Smt SOT - 23 - 33 v , 3.3 v , 5 V1 InputActive LowNo Manual Reset no watchdogNo Backup840 ms5.5 V- 40 C+ 105 C Lm809 Reel
TPS3703A5180DSER


Supervisory Circuits High-accuracy window supervisor with reset time delay 6-WSON -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 : 0
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USD 0.6245
Multiples of: 3000

Simple Reset/Power - On Reset  6 - WFDFN            - Digi - Reel®
TPS389020DSER


Supervisory Circuits Low Quiescent Current, 1% Accurate Supervisor with Programmable-Delay 6-WSON -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 : 0
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USD 0.6277
Multiples of: 1

Voltage SupervisorySmd/Smt WSON - 62 V1 InputActive Low, Open DrainManual Reset no watchdogNo Backupprogrammable5.5 V- 40 C+ 125 C1 %Tps3890 Reel
TPS3808G33DBVRG4


Supervisory Circuits Programmable-Delay 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 : 0
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USD 0.6376
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 63.07 V1 InputActive Low, Open DrainManual Reset no watchdogNo Backup300 ms6.5 V- 40 C+ 125 C0.5 %Tps3808g33 Reel
TPS3851G50SDRBR


Supervisory Circuits High-accuracy voltage supervisor with Integrated watchdog timer 8-SON -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 : 0
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USD 0.642
Multiples of: 3000

Voltage SupervisorySmd/Smt SON - 85 V1 InputActive - Low,Open - DrainManual Reset watchdog  5 V- 40 C+ 125 C1 %Tps3851 Cut Tape
LM3881MM


IC, POWER SEQUENCER, 2.7 TO 5.5V
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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 : 0
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USD 0.6426
Multiples of: 1

    -             Cut Tape
TPS3705-50DR


Supervisory Circuits Processor with Power-Fail
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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 : 0
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USD 0.6549
Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 82.5 v , 3 v , 3.3 v , 5 v2 InputPush - PullManual ResetWatchdogwatchdogBackup200 ms6 V- 40 C+ 85 C Tps3705 - 50 Reel
2T28-33QDBVRG4Q1


Supervisory Circuits Auto Cat Processor Sup 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.

Texas Instruments Availability : 0
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USD 0.6578
Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 52.93 V1 InputActive High, Active LowManual Reset watchdogNo Backup200 ms5.5 V- 40 C+ 125 C Tps3828 - 33 - Q1Aec - Q100Reel
LM3881MME/NOPB


Supervisory Circuits Pwr Sequencer
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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 : 0
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USD 0.6606
Multiples of: 250

Voltage SequencersSmd/Smt MSOP - 81.22 V3 InputOpen DrainNo Manual ResetNo Watchdogno watchdogNo Backup1.2 ms5.5 V- 40 C+ 125 C Lm3881 Reel
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