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
  
                       
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 : 20370
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USD 0.1083
Multiples of: 1

 Surface Mount  2.673 V             Tape And Reel
BD52E30G-TR


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 Availability : 17568
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USD 0.1981
Multiples of: 1

Voltage DetectorsSmd/Smt SSOP - 53 V1 InputCmosNo Manual Reset no watchdogNo Backupadjustable10 V- 40 C+ 105 C1 %Bd52(53)Exxg Cut Tape
BD39040MUF-CE2


Supervisory Circuits SUPERVISOR IC WITH QUAD PWR
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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 : 17349
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USD 1.8984
Multiples of: 1

                  Cut Tape
BU4220G-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 Availability : 16456
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USD 0.199
Multiples of: 1

Voltage MonitorsSmd/Smt SSOP - 52 V1 InputOpen DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable7 V- 40 C+ 125 C1 %Bu42 Reel
BU4229FVE-TR


Supervisory Circuits LOW VOLT DETECT VOLT 3.1V
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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 Availability : 16236
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USD 0.2898
Multiples of: 1

Voltage MonitorsSmd/Smt VSOF - 52.9 V1 InputOpen DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable7 V- 40 C+ 125 C1 %Bu42 Reel
BD4933G-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 Availability : 16106
Ship by Wed. 05 Jun to Fri. 07 Jun Calender.png

USD 0.1507
Multiples of: 1

Voltage MonitorsSmd/Smt SSOP - 53.3 V1 InputCmosNo Manual ResetNo Watchdogno watchdogNo Backup 10 V- 40 C+ 105 C1 %Bd49 Reel
BD45272G-TR


Supervisory Circuits RESET 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 : 14526
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USD 0.3047
Multiples of: 1

Voltage MonitorsSmd/Smt SSOP - 52.7 V1 InputOpen DrainManual ResetNo Watchdogno watchdogNo Backup200 ms10 V- 40 C+ 105 C1 %Bd45 Reel
BU4235G-TR


Volt Supervisor Detect W/Delay Circuit 0.9V to 4.8V 5-Pin SSOP 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.

ROHM Availability : 13678
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USD 0.21
Multiples of: 1

Voltage MonitorsSmd/Smt SSOP - 53.5 V           Bu42 Cut Tape
BD48K35G-TL


ROHM Semiconductor Supervisory Circuits Standard 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 : 12504
Ship by Wed. 05 Jun to Fri. 07 Jun Calender.png

USD 0.1357
Multiples of: 1

Voltage MonitorsSmd/Smt SSOP - 33.5 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup 6 V- 40 C+ 105 C1 %Bd48 Reel
BD5231NVX-2CTL


Supervisory Circuits NANO ENERGY, 3.1V, ADJUSTABLE
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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 : 12300
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USD 0.4081
Multiples of: 1

Voltage DetectorsSMD/SMT SSON - 4  Open DrainNo Manual Reset No WatchdogNo Backup 3.1 V- 40 C+ 125 C2.5 % AEC - Q100Reel , Cut Tape
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