About Supervisory Circuits

Rohm 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
  
                       
BU4233FVE-TR


Supervisory Circuits LOW VOLT DETECT VOLT 3.5V
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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 2903
Ships to you
between Mon. 30 Sep to Wed. 02 Oct Calender.png

AUD 0.4855
Multiples of: 1

Voltage MonitorsSmd/Smt VSOF - 53.3 V           Bu42 Reel
BU4811F-TR


Supervisory Circuits IC LO VOLT DETCTR CMOS 1.1V
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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 2902
Ships to you
between Mon. 30 Sep to Wed. 02 Oct Calender.png

AUD 0.3797
Multiples of: 1

Voltage DetectorsSmd/Smt SOP - 41.1 V1 InputOpen DrainNo Manual Reset no watchdogNo Backupno7 V- 40 C+ 125 C1 %Bu4811f Cut Tape
BU45L472G-TL


Supervisory Circuits Volt Det IC 4.7V 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.

ROHM 2902
Ships to you
between Mon. 30 Sep to Wed. 02 Oct Calender.png

AUD 0.408
Multiples of: 1

Voltage DetectorsSmd/Smt SSOP - 34.7 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup200 ms6 V- 40 C+ 105 C1 %Bu45/Bu46 Cut Tape
BU4328FVE-TR


Supervisory Circuits CMOS LOW VOLT DETEC
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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 2901
Ships to you
between Mon. 30 Sep to Wed. 02 Oct Calender.png

AUD 0.471
Multiples of: 1

Voltage DetectorsSmd/Smt VSOF - 52.8 V1 InputCmosNo Manual Reset no watchdogNo Backupadjustable7 V- 40 C+ 125 C1 %Bu42(43)Xxfve Cut Tape
BD4945G-TR


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 2900
Ships to you
between Mon. 30 Sep to Wed. 02 Oct Calender.png

AUD 0.2396
Multiples of: 1

Voltage MonitorsSmd/Smt SSOP - 54.5 V1 InputCmosNo Manual Reset no watchdogNo Backup  - 40 C+ 105 C1 %Bd49 Reel
BD5226G-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 2900
Ships to you
between Mon. 30 Sep to Wed. 02 Oct Calender.png

AUD 0.2957
Multiples of: 1

Voltage DetectorsSmd/Smt SSOP - 52.6 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup55.5 ms7 V- 40 C+ 105 C2 % Aec - Q100Cut Tape
BD5224G-2MTR


Supervisor Open Drain or Open Collector 1 Channel 5-SSOP
Icon ROHS
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 2900
Ships to you
between Mon. 30 Sep to Wed. 02 Oct Calender.png

AUD 0.303
Multiples of: 1

Voltage DetectorsSmd/Smt SSOP - 52.4 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup55.5 ms7 V- 40 C+ 105 C2 % Aec - Q100Cut Tape
BU45K322G-TL


Supervisory Circuits Volt Det IC 3.2V 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.

ROHM 2900
Ships to you
between Mon. 30 Sep to Wed. 02 Oct Calender.png

AUD 0.408
Multiples of: 1

Voltage DetectorsSmd/Smt SSOP - 33.2 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup200 ms6 V- 40 C+ 105 C1 %Bu45/Bu46 Cut Tape
BD5233FVE-TR


Supervisory Circuits CMOS DETEC VOLT 3.3V
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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 2900
Ships to you
between Tue. 24 Sep to Mon. 30 Sep Calender.png

AUD 0.4215
Multiples of: 1

Voltage MonitorsSmd/Smt VSOF - 53.3 V1 InputOpen DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable10 V- 40 C+ 105 C1 %Bd52 Reel
BD49E27G-MTR


Supervisory Circuits VOLTAGE DETECTOR
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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 2900
Ships to you
between Mon. 30 Sep to Wed. 02 Oct Calender.png

AUD 0.4235
Multiples of: 1

Voltage DetectorsSMD/SMT SSOP - 52.7 V1 InputCMOSNo Manual Reset No WatchdogNo Backup100 us10 V- 40 C+ 105 C1 %BD49ExxG - MAEC - Q101Reel , Cut Tape
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