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
  
                       
BU4233F-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 Availability : 2910
Ship by Mon. 02 Sep to Wed. 04 Sep Calender.png

USD 0.2584

Multiples of: 1

                  Cut Tape
BU45K254G-TL


Supervisory Circuits Volt Det IC 2.5V 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 Availability : 2910
Ship by Mon. 02 Sep to Wed. 04 Sep Calender.png

USD 0.2675

Multiples of: 1

Voltage DetectorsSmd/Smt SSOP - 32.5 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup400 ms6 V- 40 C+ 105 C1 %Bu45/Bu46 Cut Tape
BU4921FVE-TR


ROHM Semiconductor Supervisory Circuits 2.1V, CMOS Standard Low 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 Availability : 2910
Ship by Mon. 02 Sep to Wed. 04 Sep Calender.png

USD 0.2756

Multiples of: 1

Voltage MonitorsSmd/Smt VSOF - 52.1 V1 InputCmosNo Manual Reset no watchdogNo Backupno7 V- 40 C+ 125 C1 %Bu4921fve Reel
BD4735G-TR


Supervisory Circuits RESET DETEC 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 Availability : 2910
Ship by Tue. 27 Aug to Mon. 02 Sep Calender.png

USD 0.2758

Multiples of: 3000

Voltage MonitorsSmd/Smt SOT - 23 - 53.5 V1 InputOpen CollectorsNo Manual Reset no watchdogNo Backup  - 40 C+ 75 C1 %Bd47 Reel
BD4734G-TR


ROHM Semiconductor Supervisory Circuits RESET DETEC VOLT 3.4V
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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 : 2910
Ship by Tue. 27 Aug to Mon. 02 Sep Calender.png

USD 0.2758

Multiples of: 3000

Voltage MonitorsSmd/Smt SOT - 23 - 53.4 V1 InputOpen CollectorsNo Manual Reset no watchdogNo Backup  - 40 C+ 75 C1 %Bd47 Reel
BU4325F-TR


Supervisory Circuits LOW VOLT DETEC VOLT 2.7V
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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 : 2910
Ship by Mon. 02 Sep to Wed. 04 Sep Calender.png

USD 0.2784

Multiples of: 1

Voltage MonitorsSmd/Smt SOF - 42.7 V1 InputCmosNo Manual Reset no watchdogNo Backupadjustable7 V- 40 C+ 125 C1 %Bu43 Reel
BU4930FVE-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 : 2910
Ship by Mon. 02 Sep to Wed. 04 Sep Calender.png

USD 0.2849

Multiples of: 1

Voltage DetectorsSmd/Smt VSOF - 53 V1 InputCmosNo Manual Reset no watchdogNo Backupno7 V- 40 C+ 125 C1 %Bu4930fve Cut Tape
BD48E25G-MTR


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 Availability : 2910
Ship by Mon. 02 Sep to Wed. 04 Sep Calender.png

USD 0.2861

Multiples of: 1

Voltage DetectorsSmd/Smt SSOP - 52.5 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup100 us10 V- 40 C+ 105 C1 % Aec - Q101Cut Tape
BU4933FVE-TR


ROHM Semiconductor 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 : 2910
Ship by Tue. 27 Aug to Mon. 02 Sep Calender.png

USD 0.2877

Multiples of: 1

Voltage DetectorsSmd/Smt VSOF - 53.3 V1 InputCmosNo Manual Reset no watchdogNo Backupno7 V- 40 C+ 125 C1 %Bu4933fve Reel
BD45432G-TR


Supervisory Circuits RESET DETEC VOLT 4.3V
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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 Availability : 2910
Ship by Mon. 02 Sep to Wed. 04 Sep Calender.png

USD 0.2976

Multiples of: 1

Voltage MonitorsSmd/Smt SSOP - 54.3 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup  - 40 C+ 105 C1 %Bd45 Reel
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