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
  
                       
TPS3610T50PWR


Supervisory Circuits Battery-Backup for RAM Retention
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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 : 23070
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USD 5.2404

Multiples of: 1

Voltage SupervisorySmd/Smt TSSOP - 141.8 V , 5 V1 InputPush - PullNo Manual Reset watchdogBackup100 ms5.5 V- 40 C+ 85 C Tps3610t50 Reel
TPS3420DDRYR


Texas Instruments Supervisory Circuits Dual CH Push Button Cntlr
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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 : 22904
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USD 0.5236

Multiples of: 1

Voltage SupervisorySmd/Smt USON - 6 2 InputActive Low, Open DrainManual Reset no watchdogNo Backup150 us6.5 V- 40 C+ 125 C Tps3420d Reel
APX803-26SAG-7


Processor Supervisor 2.63V 2.5V/3V/3.3V/5V 3-Pin SOT-23 T/R
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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 : 22825
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USD 0.0902

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 3 4 InputOpen Collector / Drain    200 ms5.5 V- 40 C+ 85 C Apx803 Reel
NCV301LSN28T1G


Supervisory Circuits 2.8V Detector w/N-Channel 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.

ON Semiconductor Availability : 22771
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USD 0.154

Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)2.8 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 125 C2 %Ncv301Aec - Q100Reel
NCP803SN400T1G


Supervisory Circuits 4.00V RESET MONITOR
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ON Semiconductor Availability : 22532
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USD 0.2068

Multiples of: 1

Voltage SupervisorySmd/Smt SOT23 - 34 V1 InputOpen Collector / DrainManual ResetNo Watchdogno watchdogNo Backup140 ms5.5 V + 105 C Ncp803 Reel
APX811-26UG-7


Supervisory Circuits 4-PIN MPU SUPERVISOR 2.63V Active-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.

Diodes Incorporated Availability : 21443
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USD 0.1371

Multiples of: 1

Voltage Supervisory               Apx811 Reel
TCM809MENB713


Supervisory Circuits Microprocessor 4.38V
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Microchip Availability : 21366
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USD 0.3432

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23B - 32.5 V , 3 V , 3.3 V , 5 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdog No Backup560 ms5.5 V- 40 C+ 85 C   Reel
MAX803SQ308D2T1G


Supervisory Circuits ANA 3.08V MCROPROC 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.

ON Semiconductor Availability : 21243
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USD 0.2212

Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 31.2 v to 4.9 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogNo Backup66 ms5.5 V- 40 C+ 105 C Max803 Reel
TLV803EA26DPWR


Supervisory Circuits Low-power voltage supervisor (reset IC) with active-low open-drain output 5-X2SON -40 to 125
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Texas Instruments Availability : 21238
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USD 0.3195

Multiples of: 1

                  Cut Tape
LM3880QMFX-1AANOPB


Supervisory Circuits Automotive grade 3 rail simple power sequencer with fixed time delay 6-SOT-23 -40 to 125
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Texas Instruments Availability : 20962
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USD 0.8136

Multiples of: 669

Voltage SequencersSmd/Smt SOT - 23 - 6 3 Input No Manual Reset no watchdog  5.5 V- 40 C+ 125 C Lm3880 - Q1 Reel
MCP111T-290E/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 Availability : 20325
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USD 0.3324

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 32.9 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdog No Backup 5.5 V- 40 C+ 125 C Mcp111 Reel
BD49L27G-TL


Supervisor Push-Pull, Totem Pole 1 Channel 3-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 : 20311
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USD 0.1044

Multiples of: 1

 Surface Mount  2.673 V             Tape And Reel
LM3880QMFE-1AF/NOPB


Supervisory Circuits Automotive grade 3 rail simple power sequencer with fixed time delay 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 : 19885
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USD 1.1105

Multiples of: 1

Voltage SequencersSmd/Smt SOT - 23 - 61.25 V3 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backup 5.5 V- 40 C+ 125 C Lm3880 - Q1 Reel
CAT809LTBI-GT3


Supervisory Circuits Push-pull Act low
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ON Semiconductor Availability : 19572
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USD 0.2035

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 32.5 V , 3 V , 3.3 V , 5 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdog No Backup240 ms5.5 V- 40 C+ 85 C Cat809 Reel
MC33161DMR2G


Supervisory Circuits Universal Voltage 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.

ON Semiconductor Availability : 19400
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USD 0.7225

Multiples of: 500

Voltage SupervisorySmd/Smt MSOP - 81.27 V2 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable40 V- 40 C+ 105 C Mc33161 Reel
STM6904TWEDS6F


STMicroelectronics Supervisory Circuits Quad Quint Ultra-Low Current Multi Volt
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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.

STMicroelectronics Availability : 19400
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USD 0.9349

Multiples of: 4000

Voltage SupervisorySmd/Smt TSSOP - 83.078 v , 1.683 V2 InputPush - PullManual ResetNo Watchdogno watchdogNo Backup 5.5 V- 40 C+ 85 C Stm6904 Reel
STM795SM6F


Supervisory Circuits 2.925V w/Batt Switch
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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.

STMicroelectronics Availability : 19400
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USD 1.1042

Multiples of: 2500

Voltage SupervisorySmd/Smt SO - 81 v to 5.5 V1 InputActive LowNo Manual ResetNo Watchdogno watchdogBackup280 ms5.5 V- 40 C+ 85 C Stm795s Reel
TCTH021BE,LF(CT


Supervisory Circuits Over Temp Detection IC IPTCO: 10uA VDET: 0.5V PTCGOOD: Open-Drain
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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.

Toshiba Availability : 19332
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USD 0.1645

Multiples of: 1

Voltage DetectorSMD/SMT SOT - 553 - 55.5 V1 InputOpen DrainNo Manual Reset No WatchdogNo Backup 5.5 V- 40 C+ 125 C8 %  Reel , Cut Tape
MIC803-30D2VC3 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 : 19056
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USD 0.2431

Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 3 1 InputOpen Collector / DrainManual ResetNo WatchdogNo WatchdogNo Backup15 us5.5 V- 40 C+ 125 C Mic803 Reel
MAX809STRG


Supervisory Circuits 2.93V uP 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.

ON Semiconductor Availability : 18202
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USD 0.13

Multiples of: 5

Voltage SupervisorySmd/Smt SOT - 23 - 32.93 V1 InputActive LowNo Manual Reset no watchdogNo Backup460 ms5.5 V- 40 C+ 105 C Max809 Cut Tape
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