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TPS3842/TPS3842-Q1 Undervoltage Supervisors

Texas Instruments TPS3842/TPS3842-Q1 Undervoltage Supervisors offer 1.5% accuracy, fast detection time, and 850nA supply current. The 42V input voltage supervisors directly connect to a 12V battery to continuously monitor undervoltage (UV) conditions.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Type	Mounting Style	Package / Case	Threshold Voltage	Number of Inputs Monitored	Output Type	Manual Reset	Watchdog Timers	Battery Backup Switching	Reset Delay Time	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Accuracy	Series	Packaging
	Supervisory Circuits Automotive 42V sma l l size nano-power u TPS3842A650DRLRQ1 Texas Instruments 1: $3.27 1,980In Stock New Product	Mfr. Part # TPS3842A650DRLRQ1 Mouser Part # 595-TPS3842A650DRRQ1 New Product	Texas Instruments	Supervisory Circuits Automotive 42V sma l l size nano-power u	Datasheet	1,980In Stock	Cut Tape $3.27 $2.40 $2.20 $1.97 View Reel $1.63 $1.86 $1.80 $1.73 $1.68 $1.63 MouseReel Available	Min.: 1 Mult.: 1 : 4,000				SMD/SMT	SOT-6		4 Input	Active Low, Open Drain	No Manual Reset		No Backup	250 ns	42 V	- 40 C	+ 125 C	0.5 %	TPS3842	Reel, Cut Tape, MouseReel
	Supervisory Circuits 42V small size nano -power undervoltage TPS3842A010DRLR Texas Instruments 1: $2.85 5,186In Stock	Mfr. Part # TPS3842A010DRLR Mouser Part # 595-TPS3842A010DRLR	Texas Instruments	Supervisory Circuits 42V small size nano -power undervoltage Learn More about Texas Instruments ti tps3842 tps3842 q1 supervisors	Datasheet	5,186In Stock	Cut Tape $2.85 $2.09 $1.90 $1.70 View Reel $1.39 $1.60 $1.53 $1.43 $1.39 MouseReel Available	Min.: 1 Mult.: 1 : 4,000			Undervoltage Supervisor	SMD/SMT	SOT-5X3-6	700 mV	1 Input	Active Low, Open Drain	No Manual Reset	No Watchdog	No Backup		42 V	- 40 C	+ 125 C	0.5 %	TPS3842	Reel, Cut Tape, MouseReel
	Supervisory Circuits Automotive 42V sma l l size nano-power u TPS3842A010DRLRQ1 Texas Instruments 1: $3.27 2,475In Stock	Mfr. Part # TPS3842A010DRLRQ1 Mouser Part # 595-TPS3842A010DRRQ1	Texas Instruments	Supervisory Circuits Automotive 42V sma l l size nano-power u Learn More about Texas Instruments ti tps3842 tps3842 q1 supervisors	Datasheet	2,475In Stock	Cut Tape $3.27 $2.40 $2.20 $1.97 View Reel $1.63 $1.86 $1.80 $1.73 $1.68 $1.63 MouseReel Available	Min.: 1 Mult.: 1 : 4,000			Undervoltage Supervisor	SMD/SMT	SOT-6	700 mV	1 Input	Active Low, Open Drain	No Manual Reset	No Watchdog	Backup	300 ms	42 V	- 40 C	+ 125 C	0.5 %	TPS3842	Reel, Cut Tape, MouseReel
	Supervisory Circuits Automotive 42V sma l l size nano-power u TPS3842A011DRLRQ1 Texas Instruments 1: $3.25 9,621In Stock	Mfr. Part # TPS3842A011DRLRQ1 Mouser Part # 595-TPS3842A011DRLQ1	Texas Instruments	Supervisory Circuits Automotive 42V sma l l size nano-power u Learn More about Texas Instruments ti tps3842 tps3842 q1 supervisors	Datasheet	9,621In Stock	Cut Tape $3.25 $2.39 $2.19 $1.96 View Reel $1.63 $1.84 $1.79 $1.71 $1.67 $1.63 MouseReel Available	Min.: 1 Mult.: 1 : 4,000			Undervoltage Supervisor	SMD/SMT	SOT-5X3-6	700 mV	1 Input	Active Low	No Manual Reset	No Watchdog	No Backup		42 V	- 40 C	+ 125 C	0.5 %	TPS3842	Reel, Cut Tape, MouseReel
	Supervisory Circuits 42V small size nano -power undervoltage TPS3842A011DRLR Texas Instruments 1: $2.48 2,404In Stock 4,000Expected 2026-12-03	Mfr. Part # TPS3842A011DRLR Mouser Part # 595-TPS3842A011DRLR	Texas Instruments	Supervisory Circuits 42V small size nano -power undervoltage Learn More about Texas Instruments ti tps3842 tps3842 q1 supervisors	Datasheet	2,404In Stock 4,000Expected 2026-12-03	Cut Tape $2.48 $1.81 $1.66 $1.47 View Reel $1.24 $1.38 $1.33 $1.32 $1.24 $1.24 MouseReel Available	Min.: 1 Mult.: 1 : 4,000			Undervoltage Supervisor	SMD/SMT	SOT-6	700 mV	1 Input	Active Low, Open Drain	No Manual Reset	No Watchdog	No Backup	300 ms	42 V	- 40 C	+ 125 C	0.5 %	TPS3842	Reel, Cut Tape, MouseReel
	Supervisory Circuits Automotive 42V sma l l size nano-power u TPS3842A015DRLRQ1 Texas Instruments 1: $3.27 3,809In Stock	Mfr. Part # TPS3842A015DRLRQ1 Mouser Part # 595-TPS3842A015DRRQ1	Texas Instruments	Supervisory Circuits Automotive 42V sma l l size nano-power u Learn More about Texas Instruments ti tps3842 tps3842 q1 supervisors	Datasheet	3,809In Stock	Cut Tape $3.27 $2.40 $2.20 $1.97 View Reel $1.63 $1.86 $1.80 $1.73 $1.68 $1.63 MouseReel Available	Min.: 1 Mult.: 1 : 4,000			Undervoltage Supervisor	SMD/SMT	SOT-6	700 mV	1 Input	Active Low, Open Drain	No Manual Reset	No Watchdog	Backup	300 ms	42 V	- 40 C	+ 125 C	0.5 %	TPS3842	Reel, Cut Tape, MouseReel
	Supervisory Circuits 42V small size nano -power undervoltage TPS3842B010DRLR Texas Instruments 1: $2.84 Non-Stocked Lead-Time 26 Weeks New Product	Mfr. Part # TPS3842B010DRLR Mouser Part # 595-TPS3842B010DRLR New Product	Texas Instruments	Supervisory Circuits 42V small size nano -power undervoltage Learn More about Texas Instruments ti tps3842 tps3842 q1 supervisors	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $2.84 $2.07 $1.89 $1.68 View Reel $1.39 $1.58 $1.51 $1.42 $1.39 MouseReel Available	Min.: 1 Mult.: 1 : 4,000			Voltage Supervisor	SMD/SMT	SOT-5X3-6	700 mV		Active Low	No Manual Reset	No Watchdog			42 V	- 40 C	+ 125 C	0.5 %		Reel, Cut Tape, MouseReel