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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Image	Stock Code(▲▼)	Description	Manufacturer	Global Stock ⓘ (▲▼)	Price(USD) (Ex. GST)(▲▼)	Enter Qty	Type	Mounting Style	Output Voltage	Package / Case	Threshold Voltage	Number of Inputs Monitored	Output Type	Manual Reset	Watchdog	Watchdog Timers	Battery Backup Switching	Reset Delay Time	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Accuracy	Series	Qualification	Packaging


Hot	MAX6762TATAD0+T Warehouse Options	Supervisory Circuits Low-Power SingleDual-Voltage Window Detectors Large 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.	Analog Devices	Availability : 0	USD 3.5948	Multiples of: 1	Voltage Detectors		TDFN - 8 EP	900 mV to 5 V	2 Input		Manual Reset		no watchdog			6 V	- 40 C	+ 125 C		Max6762
Hot	MAX6764UT+T Warehouse Options	Supervisory Circuits Low-Power, Single/Dual-Voltage Window Detectors Large 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.	Analog Devices	Availability : 0	USD 3.5966	Multiples of: 1	Voltage Supervisory		SOT - 23	0.9 v to 5 V	1 Input	Active Low, Open Drain	No Manual Reset	No Watchdog	no watchdog	No Backup		6 V	- 40 C	+ 125 C		Max6764	Reel
Hot	MAX6412UK46+T Warehouse Options	Supervisory Circuits Low-Power, Single/Dual-Voltage uP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay Large 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.	Analog Devices	Availability : 0	USD 3.6067	Multiples of: 1	Voltage Supervisory	Smd/Smt	SOT - 23 - 5	1.6 v to 5 V	1 Input	Active Low, Push - Pull	Manual Reset	No Watchdog	no watchdog	No Backup	5.4 ms	5.5 V	- 40 C	+ 125 C		Max6412	Reel
Hot	LTC2919HDDB-5#TRMPBF Warehouse Options	Supervisory Circuits Dual Supply Monitor with Selectable Polarity, Independent Monitor Outputs Large 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.	Analog Devices	Availability : 0	USD 3.6072	Multiples of: 1		Smd/Smt	DFN - 10													Ltc2919	Cut Tape
Hot	MAX14571EUD+ Warehouse Options	Supervisory Circuits Adjustable Overvoltage and Overcurrent Protectors with High Accuracy Large 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.	Analog Devices	Availability : 0	USD 3.6074	Multiples of: 96	Voltage Supervisory	Smd/Smt	TSSOP - 14	Adj	1 Input	Active Low, Open Drain	No Manual Reset		no watchdog	No Backup		36 V	- 40 C	+ 85 C		Max14571	Tube
Hot	TPS3837K33MDBVREP Warehouse Options	Supervisory Circuits Mil Enhance Nanopwr Supy Circuits Large 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 : 0	USD 3.6077	Multiples of: 1	Voltage Supervisory	Smd/Smt	SOT - 23 - 5	2.93 V	1 Input	Active - High,Push - Pull	Manual Reset		no watchdog			6 V	- 55 C	+ 125 C		Tps3837k33 - Ep	Reel
Hot	ISL88012IH526Z-TK Warehouse Options	Supervisory Circuits DL VMON W//MR /RST R STVTH1=263VVTH2=06V5 Large 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.	Renesas	Availability : 0	USD 3.6107	Multiples of: 1	Voltage Supervisory		SOT - 23	2.5 v , 3 v , 3.3 v , 5 v	2 Input	Active High, Active Low	Manual Reset		no watchdog	No Backup	260 ms	5.5 V	- 40 C	+ 85 C		Isl88012	Reel
Hot	LTC2953CDD-2#PBF Warehouse Options	Supervisory Circuits Push Button Controller with Dual Input Battery Monitor, Output Supervisor, and U Interrupt Large 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.	Analog Devices	Availability : 0	USD 3.6132	Multiples of: 1	Voltage Monitors	Smd/Smt	DFN - 12	600 mV	1 Input	Open Drain	Manual Reset		no watchdog	No Backup	200 ms	27 V	0 C	+ 70 C	1.5 %	Ltc2953	Tube
Hot	LTC1726EMS8-2.5 Warehouse Options	Supervisory Circuits 3x S Mon & P Sup w/ Adj Reset & Watch Large 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.	Analog Devices	Availability : 0	USD 3.618	Multiples of: 1	Voltage Supervisory	Smd/Smt	MSOP - 8	2.3 v , 3.036 v , Adj	3 Input	Active Low, Open Drain	Manual Reset		watchdog	No Backup	adjustable	7 V	- 40 C	+ 85 C	1.5 %	Ltc1726	Tube
Hot	ADM8696ARW Warehouse Options	Supervisory Circuits IMPROVED ADM696 I.C. Large 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.	Analog Devices	Availability : 0	USD 3.6187	Multiples of: 1	Voltage Supervisory	Smd/Smt	SOIC - 16	1.3 V	1 Input	Active High, Active Low, Push - Pull	Manual Reset	Watchdog	watchdog	Backup	70 ms	5.5 V	- 40 C	+ 85 C		Adm8696	Tube
Hot	STM1404CSNIQ6F Warehouse Options	Supervisory Circuits 3V FIPS 140 Security supervisor Large 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 : 0	USD 3.6205	Multiples of: 1	Voltage Supervisory	Smd/Smt	QFN - 16										- 40 C	+ 85 C		Stm1404	Reel
Hot	X5045PIZ-2.7A Warehouse Options	Intersil Supervisory Circuits CPU SUPWDT 4K SPI EES HI 2 7-3 6V IND Large 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.	Renesas	Availability : 0	USD 3.6235	Multiples of: 1	Voltage Supervisory		PDIP	2.7 v to 5.5 V	1 Input	Active High	No Manual Reset		watchdog	No Backup	400 ms	5.5 V	- 40 C	+ 85 C		X5045	Tube
Hot	STM1403ASMQ6F Warehouse Options	Supervisor Open Drain or Open Collector 1 Channel 16-QFN (3x3) Large 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 : 0	USD 3.6247	Multiples of: 3000	Voltage Supervisory	Smd/Smt	QFN EP	2.935 V	1 Input	Active Low, Open Drain	Manual Reset		no watchdog	Backup		3.6 V	- 40 C	+ 85 C
Hot	MAX690AESA+T Warehouse Options	Supervisory Circuits Microprocessor Supervisory Circuits Large 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.	Analog Devices	Availability : 0	USD 3.6254	Multiples of: 1	Voltage Supervisory	Smd/Smt	SOIC - 8	4.65 V	1 Input	Active Low, Push - Pull	No Manual Reset		watchdog	Backup	280 ms	5.5 V	- 40 C	+ 85 C		Max690a	Reel
Hot	UCC2946PWTR Warehouse Options	Supervisory Circuits Mcrprcsr Supervisor w/Watchdog Timer Large 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 : 0	USD 3.626	Multiples of: 1	Voltage Supervisory	Smd/Smt	TSSOP - 8	Adj	1 Input	Active - Low,Push - Pull	No Manual Reset		watchdog	No Backup	adjustable	5.5 V	- 40 C	+ 85 C		Ucc2946	Cut Tape
Hot	X5163S8Z-4.5A Warehouse Options	Intersil Supervisory Circuits CPU SUPWDT 16K SPI EE RST LW 5V-10% Large 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.	Renesas	Availability : 0	USD 3.627	Multiples of: 1	Voltage Supervisory	Smd/Smt	SOIC	4.5 v to 5.5 V	1 Input	Active High	No Manual Reset	Watchdog	watchdog	No Backup	280 ms	5.5 V	0 C	+ 70 C		X5163	Tube
Hot	LTC2965IMS#PBF Warehouse Options	Supervisory Circuits 100V Single Micropower Voltage Monitor Large 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.	Analog Devices	Availability : 0	USD 3.6301	Multiples of: 1				1.4 V
Hot	MAX6734KASYD3+T Warehouse Options	Supervisory Circuits Single-/Dual-/Triple-Voltage uP Supervisory Circuits with Independent Watchdog Output Large 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.	Analog Devices	Availability : 0	USD 3.6335	Multiples of: 1	Voltage Supervisory	Smd/Smt	SOT - 23 - 8L	0.9 v to 5 V	3 Input	Active Low, Open Drain	Manual Reset	Watchdog	watchdog	No Backup	210 ms	5.5 V	- 40 C	+ 85 C		Max6734	Reel
Hot	MAX6734KASHD3+T Warehouse Options	Supervisory Circuits Single-/Dual-/Triple-Voltage uP Supervisory Circuits with Independent Watchdog Output Large 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.	Analog Devices	Availability : 0	USD 3.6335	Multiples of: 1	Voltage Supervisory	Smd/Smt	SOT - 23 - 8	0.9 v to 5 V	3 Input	Active Low, Open Drain	Manual Reset	Watchdog	watchdog	No Backup	210 ms	5.5 V	- 40 C	+ 85 C		Max6734	Reel
Hot	MAX6734KAZWD3+T Warehouse Options	Supervisory Circuits Single-/Dual-/Triple-Voltage uP Supervisory Circuits with Independent Watchdog Output Large 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.	Analog Devices	Availability : 0	USD 3.6335	Multiples of: 1	Voltage Supervisory	Smd/Smt	SOT - 23 - 8	900 mV to 5 V	3 Input	Active Low, Open Drain	Manual Reset		watchdog	No Backup	210 ms	5.5 V	- 40 C	+ 85 C		Max6734	Cut Tape