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.
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Enter Qty TypeMounting StyleOutput VoltagePackage / CaseThreshold VoltageNumber of Inputs MonitoredOutput TypeManual ResetWatchdogWatchdog TimersBattery Backup SwitchingReset Delay TimeSupply Voltage - MaxMinimum Operating TemperatureMaximum Operating TemperatureAccuracySeriesQualificationPackaging
  
                       
BU4821G-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 : 2109
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USD 0.1851

Multiples of: 1

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TPS3840PL25DBVR


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 : 2104
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USD 0.3615

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 232.5 V2 InputActive High, Push - PullManual Reset no watchdogBackup6.2 s10 V- 40 C+ 125 C1 %Tps3840 Cut Tape
TPS3779BQDBVRQ1


Supervisory Circuits Automotive, push-pull, dual-channel, low-power, high-accuracy voltage detector 6-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 : 2099
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USD 1.5225

Multiples of: 1

Voltage DetectorsSmd/Smt SOT - 23 - 6Adj2 InputPush - PullManual Reset no watchdogNo Backup 5.5 V- 40 C+ 125 C1 %Tps3779 - Q1Aec - Q100Reel
TPS3702AX33DDCR


Supervisory Circuits OV/UV 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 : 2096
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USD 1.1773

Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 63.3 V1 InputActive Low, Open Drain     18 V- 40 C+ 125 C0.25 %Tps3702 Reel
MCP102T-270E/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 : 2095
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USD 0.6539

Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 32.63 V1 InputPush - PullNo Manual ResetNo Watchdogno watchdogNo Backup120 ms5.5 V- 40 C+ 125 C Mcp102 Reel
X5165PI-2.7


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.

Renesas Availability : 2093
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USD 1.2125

Multiples of: 1

                   
TLC7701QPWRQ1


Supervisory Circuits Auto Catalog McroPWR VLTG Supervisors
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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 : 2092
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USD 1.0596

Multiples of: 1

Voltage SupervisorySmd/Smt TSSOP - 81.1 V1 InputPush - PullNo Manual ResetNo Watchdogno watchdog adjustable6 V- 40 C+ 125 C Tlc7701 - Q1Aec - Q100Reel
BU4828FVE-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 : 2091
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USD 0.2468

Multiples of: 1

Voltage DetectorsSmd/Smt VSOF - 52.8 V1 InputOpen DrainNo Manual Reset no watchdogNo Backupno7 V- 40 C+ 125 C1 %Bu4828fve Cut Tape
MIC803-30D4VC3-TR


Supervisory Circuits 3-Pin Microprocessor Supervisor Circuit w/ Open-Drain Reset Output
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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 : 2091
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USD 0.3067

Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 3 1 InputOpen Collector / DrainManual Reset no watchdogNo Backup15 us5.5 V- 40 C+ 125 C   Reel
TPS3839A09DQNR


Supervisory Circuits Ult-Lo 150nA Ult-Sm Vtg Supervisor
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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 : 2084
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USD 0.3513

Multiples of: 1

Voltage SupervisorySmd/Smt X2SON - 40.9 V1 InputActive Low, Push - PullNo Manual Reset no watchdogNo Backup200 ms6.5 V- 40 C+ 85 C Tps3839a09 Reel
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