About Supervisory Circuits

Microchip 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
  
                       
MIC2774N-44YM5-TR


Supervisory Circuits Dual Voltage Supervisor with 0.3V and 4.43V Thresholds, Active-Low Open-Drain Ou
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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 7308
Ships to you
between Wed. 29 May to Fri. 31 May Calender.png

USD 0.8021
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23              Reel
MIC705MY


Supervisory Circuits P Supervisor, Watchdog Timer, Active-Low, 4.65V VTH, SOIC-08 (Lead Free)
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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 7109
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USD 0.7938
Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 84.65 V , 4.4 V1 InputActive High, Active LowManual Reset WatchdogBackup250 ns5.5 V- 40 C+ 85 C Mic705 Tube
TC54VC4502ECB713


Supervisory Circuits 4.5vVtg Det 2% Tol.
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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 6867
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USD 0.6126
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23A - 34.5 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdogno watchdogNo Backup 10 V- 40 C+ 85 C Tc54 Reel
MCP1319MT-46LE/OT


Supervisor Integrated Circuit; power on reset monitor (PoR)
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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 6563
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USD 0.7997
Multiples of: 1

    4.6 V              
MCP121T-195I/TT


Supervisor Open Drain or Open Collector 1 Channel SOT-23-3
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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 6409
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USD 0.56
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 31.9 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogNo Backup 5.5 V- 40 C+ 85 C Mcp121 Reel
MIC803-44D2VM3-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 6316
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USD 0.3132
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 3 1 InputOpen Collector / DrainManual ResetNo Watchdogno watchdogNo Backup15 us5.5 V- 40 C+ 125 C Mic803 Reel
MCP1321T-29LE/OT


Supervisor Integrated Circuit; power on reset monitor (PoR)
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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 6212
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USD 0.8009
Multiples of: 1

                   
MIC1815-10UY-TR


Supervisory Circuits Microprocessor Supervisor Reset with 2.88V Threshold and Push-Pull Active-Low Output and 100ms Reset Pulse in SOT23-3 (DS1815)
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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 6168
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USD 0.5102
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 1 InputActive Low, Push - PullNo Manual ResetNo Watchdogno watchdogNo Backup     Mic1815 Reel
MIC2774L-31YM5-TR


Supervisory Circuits Dual Voltage Supervisor with 0.3V and 3.09V Thresholds, Active-Low Push-Pull Output, 140ms Reset Pulse, Manual Reset
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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 6115
Ships to you
between Wed. 29 May to Fri. 31 May Calender.png

USD 0.8021
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23              Reel
MIC803-26D3VM3-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 5820
Ships to you
between Thu. 23 May to Wed. 29 May Calender.png

USD 0.2287
Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 3 1 InputOpen Collector / DrainManual ResetNo Watchdogno watchdogNo Backup15 us5.5 V- 40 C+ 125 C Mic803 Reel
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