Supervisory Circuits – Mouser United Kingdom

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TPS3840/TPS3840-Q1 Nanopower Voltage Supervisors

Texas Instruments TPS3840/TPS3840-Q1 Nanopower High-Input Voltage Supervisors come with a wide V_in which allows monitoring of 9V rails or batteries without external components and 24V rails with external resistors. Nano-I_q extends the battery life for low-power applications and minimises current consumption when using external resistors. The fast start-up delay allows the detection of a voltage fault before the rest of the system powers up, providing maximum safety in hazardous start-up fault conditions. Low power-on-reset (V_POR) prevents false resets, premature enabling or turn-on of the next device, and proper transistor control during power-up and power-down.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	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	Qualification	Packaging
Supervisory Circuits Nanopower high-input voltage supervisor TPS3840PH18DBVR Texas Instruments 1: £0.623 1,180In Stock 3,000On Order	Mfr. Part No. TPS3840PH18DBVR Mouser Part No 595-TPS3840PH18DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	1,180In Stock 3,000On Order	Cut Tape £0.623 £0.448 £0.402 £0.352 Reel £0.28 View £0.327 £0.313 £0.301 £0.272 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	1.8 V	1 Input	Active High, Push-Pull	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor A 595-PS3840PH27DBVRQ1 TPS3840PH27DBVR Texas Instruments 1: £0.698 792In Stock	Mfr. Part No. TPS3840PH27DBVR Mouser Part No 595-TPS3840PH27DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor A 595-PS3840PH27DBVRQ1 Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	792In Stock	Cut Tape £0.698 £0.50 £0.451 £0.397 Reel £0.322 View £0.371 £0.355 £0.344 £0.314 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	2.7 V	1 Input	Active High, Push-Pull	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor TPS3840PH40DBVR Texas Instruments 1: £0.615 714In Stock	Mfr. Part No. TPS3840PH40DBVR Mouser Part No 595-TPS3840PH40DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	714In Stock	Cut Tape £0.615 £0.439 £0.395 £0.347 Reel £0.279 View £0.33 £0.316 £0.298 £0.273 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	4 V	1 Input	Active High, Push-Pull	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor TPS3840PH45DBVR Texas Instruments 1: £0.698 1,332In Stock	Mfr. Part No. TPS3840PH45DBVR Mouser Part No 595-TPS3840PH45DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	1,332In Stock	Cut Tape £0.698 £0.50 £0.451 £0.397 Reel £0.326 View £0.371 £0.355 £0.344 £0.314 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	4.5 V	1 Input	Active High, Push-Pull	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor TPS3840PH49DBVR Texas Instruments 1: £0.646 1,617In Stock	Mfr. Part No. TPS3840PH49DBVR Mouser Part No 595-TPS3840PH49DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	1,617In Stock	Cut Tape £0.646 £0.449 £0.403 £0.352 Reel £0.287 View £0.327 £0.313 £0.301 £0.28 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	4.9 V	1 Input	Active High, Push-Pull	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor A 595-PS3840PL16DBVRQ1 TPS3840PL16DBVR Texas Instruments 1: £0.698 2,826In Stock	Mfr. Part No. TPS3840PL16DBVR Mouser Part No 595-TPS3840PL16DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor A 595-PS3840PL16DBVRQ1 Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	2,826In Stock	Cut Tape £0.698 £0.50 £0.451 £0.397 Reel £0.326 View £0.371 £0.355 £0.344 £0.314 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	1.6 V	1 Input	Active Low, Push-Pull	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor TPS3840PL20DBVR Texas Instruments 1: £0.743 7,233In Stock 12,000On Order	Mfr. Part No. TPS3840PL20DBVR Mouser Part No 595-TPS3840PL20DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor Learn More about Texas Instruments ti tps3840 supervisors		7,233In Stock 12,000On Order	Cut Tape £0.743 £0.524 £0.471 £0.413 Reel £0.322 View £0.385 £0.368 £0.355 £0.315 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	2 V	1 Input	Active Low, Push-Pull	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor TPS3840PL26DBVR Texas Instruments 1: £0.63 3,713In Stock	Mfr. Part No. TPS3840PL26DBVR Mouser Part No 595-TPS3840PL26DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	3,713In Stock	Cut Tape £0.63 £0.536 £0.528 £0.491 Reel £0.287 View £0.47 £0.346 £0.28 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	2.6 V	1 Input	Active Low, Push-Pull	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor TPS3840PL29DBVR Texas Instruments 1: £0.713 1,909In Stock	Mfr. Part No. TPS3840PL29DBVR Mouser Part No 595-TPS3840PL29DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	1,909In Stock	Cut Tape £0.713 £0.528 £0.465 £0.437 Reel £0.279 View £0.418 £0.407 £0.273 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	2.9 V	1 Input	Active Low, Push-Pull	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor TPS3840PL34DBVR Texas Instruments 1: £0.63 1,688In Stock	Mfr. Part No. TPS3840PL34DBVR Mouser Part No 595-TPS3840PL34DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	1,688In Stock	Cut Tape £0.63 £0.536 £0.528 £0.491 Reel £0.287 View £0.47 £0.451 £0.28 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	3.4 V	1 Input	Active Low, Push-Pull	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor TPS3840PL45DBVR Texas Instruments 1: £0.615 3,161In Stock	Mfr. Part No. TPS3840PL45DBVR Mouser Part No 595-TPS3840PL45DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	3,161In Stock	Cut Tape £0.615 £0.439 £0.395 £0.347 Reel £0.283 View £0.324 £0.309 £0.298 £0.276 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	4.5 V	1 Input	Active Low, Push-Pull	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Automotive high-inpu t voltage superviso Texas Instruments TPS3840PL29DBVRQ1 TPS3840PL29DBVRQ1 Texas Instruments 1: £0.882 2,306In Stock	Mfr. Part No. TPS3840PL29DBVRQ1 Mouser Part No 595-PS3840PL29DBVRQ1	Texas Instruments	Supervisory Circuits Automotive high-inpu t voltage superviso Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	2,306In Stock	Cut Tape £0.882 £0.636 £0.574 £0.507 Reel £0.415 View £0.475 £0.456 £0.44 £0.41 MouseReel Available	Min.: 1 Mult.: 1 : 3,000															TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor A 595-PS3840DL25DBVRQ1 TPS3840DL25DBVR Texas Instruments 1: £0.705 3,232In Stock	Mfr. Part No. TPS3840DL25DBVR Mouser Part No 595-TPS3840DL25DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor A 595-PS3840DL25DBVRQ1 Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	3,232In Stock	Cut Tape £0.705 £0.505 £0.455 £0.40 View Reel £0.305 £0.374 £0.359 £0.347 £0.305 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	2.5 V	1 Input	Active Low, Open Drain	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor A 595-PS3840DL28DBVRQ1 TPS3840DL28DBVR Texas Instruments 1: £0.743 1,467In Stock 6,000Expected 10/12/2026	Mfr. Part No. TPS3840DL28DBVR Mouser Part No 595-TPS3840DL28DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor A 595-PS3840DL28DBVRQ1 Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	1,467In Stock 6,000Expected 10/12/2026	Cut Tape £0.743 £0.526 £0.472 £0.415 Reel £0.326 View £0.386 £0.369 £0.357 £0.316 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	2.8 V	1 Input	Active Low, Open Drain	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor A 595-PS3840DL45DBVRQ1 TPS3840DL45DBVR Texas Instruments 1: £0.615 515In Stock 6,000Expected 29/03/2027	Mfr. Part No. TPS3840DL45DBVR Mouser Part No 595-TPS3840DL45DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor A 595-PS3840DL45DBVRQ1 Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	515In Stock 6,000Expected 29/03/2027	Cut Tape £0.615 £0.439 £0.395 £0.347 Reel £0.279 View £0.324 £0.309 £0.298 £0.273 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	4.5 V	1 Input	Active Low, Open Drain	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor TPS3840PL18DBVR Texas Instruments 1: £0.615 1,717In Stock 3,000Expected 14/01/2027	Mfr. Part No. TPS3840PL18DBVR Mouser Part No 595-TPS3840PL18DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	1,717In Stock 3,000Expected 14/01/2027	Cut Tape £0.615 £0.439 £0.395 £0.347 Reel £0.283 View £0.324 £0.309 £0.298 £0.276 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	1.8 V	1 Input	Active Low, Push-Pull	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Automotive high-inpu t voltage superviso A 595-TPS3840DL25DBVR TPS3840DL25DBVRQ1 Texas Instruments 1: £0.882 11,925On Order	Mfr. Part No. TPS3840DL25DBVRQ1 Mouser Part No 595-PS3840DL25DBVRQ1	Texas Instruments	Supervisory Circuits Automotive high-inpu t voltage superviso A 595-TPS3840DL25DBVR Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	11,925On Order On Order Ship Dates Mfr. No: TPS3840DL25DBVRQ1 Stock: 0 On Order: 2,925 Expected 28/10/2026 9,000 Expected 30/10/2026 Factory Lead Time: 12 Weeks	Cut Tape £0.882 £0.636 £0.574 £0.507 Reel £0.42 View £0.475 £0.456 £0.446 £0.41 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	2.5 V	1 Input	Active Low, Open Drain	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840	AEC-Q100	Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor TPS3840DL27DBVR Texas Instruments 1: £0.646 5,981On Order	Mfr. Part No. TPS3840DL27DBVR Mouser Part No 595-TPS3840DL27DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	5,981On Order On Order Ship Dates Mfr. No: TPS3840DL27DBVR Stock: 0 On Order: 2,981 Expected 21/10/2026 3,000 Expected 07/12/2026 Factory Lead Time: 12 Weeks	Cut Tape £0.646 £0.457 £0.41 £0.359 Reel £0.279 View £0.334 £0.32 £0.308 £0.273 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	2.7 V	1 Input	Active Low, Open Drain	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor A 595-PS3840DL30DBVRQ1 TPS3840DL30DBVR Texas Instruments 1: £0.743 13,115On Order	Mfr. Part No. TPS3840DL30DBVR Mouser Part No 595-TPS3840DL30DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor A 595-PS3840DL30DBVRQ1 Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	13,115On Order On Order Ship Dates Mfr. No: TPS3840DL30DBVR Stock: 0 On Order: 4,115 Expected 02/11/2026 9,000 Expected 21/12/2026 Factory Lead Time: 12 Weeks	Cut Tape £0.743 £0.524 £0.471 £0.413 Reel £0.322 View £0.385 £0.368 £0.355 £0.314 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	3 V	1 Input	Active Low, Open Drain	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Nanopower high-input voltage supervisor A 595-PS3840DL42DBVRQ1 TPS3840DL42DBVR Texas Instruments 1: £0.615 5,029On Order	Mfr. Part No. TPS3840DL42DBVR Mouser Part No 595-TPS3840DL42DBVR	Texas Instruments	Supervisory Circuits Nanopower high-input voltage supervisor A 595-PS3840DL42DBVRQ1 Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	5,029On Order	Cut Tape £0.615 £0.443 £0.398 £0.349 Reel £0.283 View £0.326 £0.312 £0.30 £0.273 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	4.2 V	1 Input	Active Low, Open Drain	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840		Reel, Cut Tape, MouseReel
Supervisory Circuits Automotive high-inpu t voltage superviso A 595-TPS3840DL30DBVR TPS3840DL30DBVRQ1 Texas Instruments 1: £0.882 5,994On Order	Mfr. Part No. TPS3840DL30DBVRQ1 Mouser Part No 595-PS3840DL30DBVRQ1	Texas Instruments	Supervisory Circuits Automotive high-inpu t voltage superviso A 595-TPS3840DL30DBVR Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	5,994On Order On Order Ship Dates Mfr. No: TPS3840DL30DBVRQ1 Stock: 0 On Order: 2,994 Expected 09/11/2026 3,000 Expected 03/12/2026 Factory Lead Time: 20 Weeks	Cut Tape £0.882 £0.636 £0.574 £0.507 Reel £0.42 View £0.475 £0.456 £0.446 £0.41 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	3 V	1 Input	Active Low, Open Drain	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840	AEC-Q100	Reel, Cut Tape, MouseReel
Supervisory Circuits Automotive high-inpu t voltage superviso TPS3840DL41DBVRQ1 Texas Instruments 1: £0.882 2,956Expected 03/12/2026	Mfr. Part No. TPS3840DL41DBVRQ1 Mouser Part No 595-PS3840DL41DBVRQ1	Texas Instruments	Supervisory Circuits Automotive high-inpu t voltage superviso Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	2,956Expected 03/12/2026	Cut Tape £0.882 £0.636 £0.574 £0.507 Reel £0.415 View £0.475 £0.456 £0.446 £0.406 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Voltage Supervisory	SMD/SMT	SOT-23-5	4.1 V	1 Input	Active Low, Open Drain	Manual Reset	No Watchdog	No Backup	619 ms	10 V	- 40 C	+ 125 C	1 %	TPS3840	AEC-Q100	Reel, Cut Tape, MouseReel
Supervisory Circuits Automotive high-inpu t voltage superviso Texas Instruments TPS3840PL40DBVRQ1 TPS3840PL40DBVRQ1 Texas Instruments 1: £0.917 3,000Expected 24/12/2026	Mfr. Part No. TPS3840PL40DBVRQ1 Mouser Part No 595-PS3840PL40DBVRQ1	Texas Instruments	Supervisory Circuits Automotive high-inpu t voltage superviso Learn More about Texas Instruments ti tps3840 supervisors	Datasheet	3,000Expected 24/12/2026	Cut Tape £0.917 £0.66 £0.595 £0.525 Reel £0.415 View £0.491 £0.471 £0.455 £0.406 MouseReel Available	Min.: 1 Mult.: 1 : 3,000															TPS3840		Reel, Cut Tape, MouseReel