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
  
                       
LTC2901-3IGN#PBF


Supervisory Circuits Quad Voltage Monitor w/Watchdog
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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 : 0
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USD 3.7054

Multiples of: 1

Voltage MonitorsSmd/Smt SSOP - 16Adj4 InputActive Low, Open DrainNo Manual Reset watchdogNo Backup7 ms7 V- 40 C+ 85 C1.5 %Ltc2901 Tube
X5323S8IZ-T1


Supervisory Circuits WATCHDOG+VCC SUPERVI 32K SPI SERIAL EPROM
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Renesas Availability : 0
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USD 3.7096

Multiples of: 2500

                   
MAX709TESA+


Supervisory Circuits Power-Supply Monitor w/Reset
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USD 3.7125

Multiples of: 1

Voltage Supervisory  SOIC N3 v , 3.3 v , 5 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdogno watchdogNo Backup560 ms5.5 V- 40 C+ 85 C Max709t Tube
MAX709LESA+


Supervisory Circuits Power-Supply Monitor w/Reset
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USD 3.7125

Multiples of: 1

Voltage SupervisorySmd/Smt SO - 84.65 V1 InputActive Low, Push - PullManual ResetNo Watchdogno watchdogNo Backup280 ms5.5 V- 40 C+ 85 C Max709l Tube
MAX709MEPA+


Supervisory Circuits Power-Supply Monitor w/Reset
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Analog Devices Availability : 0
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USD 3.7125

Multiples of: 1

Voltage SupervisoryThrough Hole PDIP - 84.4 V1 InputActive Low, Push - PullManual ResetNo Watchdogno watchdogNo Backup280 ms5.5 V- 40 C+ 85 C Max709m Tube
MAX6703LKA+T


Supervisory Circuits Low-Voltage, SOT23, uP Supervisors with Power-Fail In/Out, Manual Reset, and Watchdog Timer
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USD 3.7125

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 82.5 v , 3 v , 3.3 v , 5 v3 InputActive Low, Open DrainManual Reset watchdogNo Backup300 ms5.5 V- 40 C+ 125 C Max6703 Cut Tape
MAX6381LT16D3+T


Supervisory Circuits SC70/uDFN, Single/Dual Low-Voltage, Low-Power uP Reset Circuits
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USD 3.7125

Multiples of: 1

Voltage SupervisorySmd/Smt UDFN - 61.8 v to 5 V1 InputActive Low, Push - PullNo Manual Reset no watchdogNo Backup560 ms5.5 V   Max6381lt Cut Tape
MAX6734KASHD2+T


Supervisory Circuits Single-Dual-Triple-Voltage Microproc. Supervisory Circts w Independent Watchdog Output
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USD 3.725

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 8900 mV to 5 V3 InputActive Low, Open DrainManual Reset watchdogNo Backup13.2 ms5.5 V- 40 C+ 85 C Max6734 Cut Tape
ADM706RARZ


Supervisory Circuits 3V VTG Monitor MPU
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USD 3.7296

Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 82.63 V1 InputActive Low, Push - PullManual ResetWatchdogwatchdogNo Backup280 ms5.5 V- 40 C+ 85 C Adm706 Tube
ADM706ARZ


Supervisory Circuits 3V VTG Monitor MPU
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Analog Devices Availability : 0
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USD 3.7296

Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 84.4 V1 InputActive Low, Push - PullManual ResetWatchdogwatchdogNo Backup280 ms5.5 V- 40 C+ 85 C Adm706 Tube
LTC1728HS5-5#TRMPBF


Supervisory Circuits uP Prec Triple Supply Monitors
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USD 3.7375

Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 5985 mV , 3.036 v , 4.6 v3 InputActive High, Active Low, Open DrainManual Reset no watchdogNo Backup200 ms7 V- 40 C+ 125 C1.5 %Ltc1728Aec - Q100Cut Tape
LTC1232IS8#PBF


Supervisory Circuits uP Supervisor with Watchdog
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USD 3.7421

Multiples of: 1

Voltage SupervisorySmd/Smt SO - 84.25 v , 4.5 V1 InputActive High, Active Low, Open DrainManual Reset watchdogNo Backup600 ms5.5 V- 40 C+ 85 C2.5 %Ltc1232Aec - Q100Tube
ADM805LANZ


Supervisory Circuits 5V CMOS UP I.C.
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USD 3.7424

Multiples of: 1

Voltage SupervisoryThrough Hole PDIP - 84.65 V1 InputActive HighNo Manual ResetWatchdogwatchdogBackup280 ms5.5 V- 40 C+ 85 C Adm805 Tube
X5043S8Z-4.5A


Supervisory Circuits CPU SUP/WDT 4K SPI EES LO 5V+/-10% 4
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USD 3.7487

Multiples of: 4000

Voltage SupervisorySmd/Smt SOIC - 84.5 v to 5.5 V1 InputActive LowNo Manual Reset watchdogNo Backup400 ms5.5 V0 C+ 70 C X5043 Tube
MAX6362LUT29+T


Supervisory Circuits Low-Power MPU Supervisor
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Analog Devices Availability : 0
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USD 3.7498

Multiples of: 2500

Voltage SupervisorySmd/Smt SOT - 23 - 6L2.5 v , 3 v , 3.3 v , 5 v1 InputActive Low, Push - PullNo Manual Reset watchdogBackup280 ms5.5 V- 40 C+ 85 C Max6362l Cut Tape
DS1810R-5+T&R


Supervisory Circuits 5V EconoReset w/Push Pull Output
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USD 3.75

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 3L1.2 v to 5.5 V1 InputActive Low, Push - PullNo Manual Reset no watchdogNo Backup300 ms5.5 V- 40 C+ 85 C Ds1810r Reel
MAX14653EWC+T


Supervisory Circuits High Current Overvoltage Protector with Adjustable OVLO
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USD 3.75

Multiples of: 1

Voltage Monitors               Max14653 Cut Tape
MAX14529EEWC+T


Supervisory Circuits Overvoltage Protection with USB Charger Detection, LDO, and ESDProtection on D+/D-
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USD 3.75

Multiples of: 1

Voltage Supervisory               Max14529e Cut Tape
MAX6705ALKA+T


Supervisory Circuits Low-Voltage SOT23 P Supervisors with Power-Fail InOut Manual Resetand Watchdog Timer
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Analog Devices Availability : 0
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USD 3.75

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 82.5 v , 3 v , 3.3 v , 5 v1 InputActive Low, Push - PullManual Reset watchdogNo Backup300 ms5.5 V- 40 C+ 125 C Max6705a Cut Tape
MAX6854UK16D3+T


Supervisory Circuits Nanopower uP Supervisory Circuits with Manual Reset and Watchdog Timer
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USD 3.7537

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 51.575 V1 InputActive Low, Push - PullManual Reset no watchdogNo Backup225 ms5.5 V- 40 C+ 85 C Max6854 Cut Tape
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