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
  
                       
RP300N29BA3-TR-FE


Supervisory Circuits 0.8% Vset accuracy Voltage Detector with output delay (internal counter type)
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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 : 2229
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USD 0.185

Multiples of: 1

Voltage DetectorsSmd/Smt SOT - 23 - 52.93 V1 InputCmos, Open DrainManual Reset no watchdogNo Backup100 ms5.5 V- 40 C+ 85 C0.8 %Rp300n Reel
BD5225G-2MTR


Supervisor Open Drain or Open Collector 1 Channel 5-SSOP
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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 : 2229
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USD 0.1863

Multiples of: 1

Voltage DetectorsSmd/Smt SSOP - 52.5 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup55.5 ms7 V- 40 C+ 105 C2 % Aec - Q101Cut Tape
BD4845FVE-TR


ROHM Semiconductor Supervisory Circuits CMOS DETEC VOLT 4.5V
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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.

ROHM Availability : 2229
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USD 0.207

Multiples of: 1

Voltage MonitorsSmd/Smt SSOP - 54.5 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup  - 40 C+ 105 C1 %Bd48 Reel
APX803L40-17SA-7


Supervisory Circuits 1.7V 450ms 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 : 2228
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USD 0.1175

Multiples of: 1

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TLV803EB42VDBZR


Supervisory Circuits Low-power voltage supervisor (reset IC) with active-low open-drain output 3-SOT-23 -40 to 125
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Texas Instruments Availability : 2227
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USD 0.1132

Multiples of: 3000

Voltage SupervisorySMD/SMT SOT - 23 - 34.2 V1 InputActive Low, Open DrainNo Manual Reset No WatchdogNo Backup40 us6 V- 40 C+ 125 C0.5 %TLV803E Reel , Cut Tape
BD49E34G-TR


Supervisor Push-Pull, Totem Pole 1 Channel 5-SSOP
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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 : 2227
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USD 0.2003

Multiples of: 1

Voltage DetectorsSmd/Smt SSOP - 53.4 V1 InputCmosNo Manual Reset no watchdogNo Backup100 us10 V- 40 C+ 105 C1 %  Cut Tape
TPS3801J25DCKR


Supervisor Push-Pull, Totem Pole 1 Channel SC-70-5
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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 : 2225
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USD 0.5671

Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 51.8 v , 2.5 v , 2.7 v , 3 v , 3.3 v , 5 v , Adj1 InputPush - PullManual ResetNo Watchdogno watchdogNo Backup200 ms6 V- 40 C+ 85 C Tps3801j25 Reel
BU4811G-TR


Supervisory Circuits IC CMOS VOLT DETECT
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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 : 2222
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USD 0.1979

Multiples of: 1

Voltage DetectorsSmd/Smt SSOP - 51.1 V1 InputOpen DrainNo Manual Reset no watchdogNo Backupno7 V- 40 C+ 125 C1 %Bu4811g Cut Tape
MCP103T-450E/LB


Supervisory Circuits Push-Pull 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 : 2220
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USD 0.6126

Multiples of: 1

Voltage SupervisorySmd/Smt SC70 - 34.38 V1 Input No Manual Reset no watchdog  5.5 V- 40 C+ 125 C Mcp103 Cut Tape
LM809M3X-4.63/NOPB


Supervisory Circuits 3-pin voltage supervisor (reset IC) with active-low, push-pull reset for supply monitoring 3-SOT-23 -40 to 105
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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 : 2167
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USD 0.3289

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 233 v , 3.3 v , 5 V1 InputActive LowNo Manual ResetNo Watchdog No Backup840 ms5.5 V- 40 C+ 105 C Lm809 Reel
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