Voltage Regulators - Switching Regulators

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TPS6281x/TPS6281x-Q1 Step-Down Converters

Texas Instruments TPS6281x/TPS6281x-Q1 Step-Down Converters are pin-to-pin 1A, 2A, 3A, and 4A synchronous automotive step-down DC/DC converters. These converters are high-efficiency and are based on a peak current mode control topology. The TPS6281x/TPS6281x-Q1 devices automatically enter power save mode at light loads to maintain high efficiency across the whole load range in PWM/PFM mode. These automotive devices provide 1% output voltage accuracy in PWM mode, which helps design a power supply with high output voltage accuracy. The TPS6281x/TPS6281x-Q1 step-down converters are available in a 3mm x 2mm VQFN package with wettable flanks. The TPS6281x-Q1 devices are AEC-Q100 qualified for automotive applications. The TPS6281x/TPS6281x-Q1 step-down converters are ideal for infotainment head units, hybrid and reconfigurable clusters, telematics control units, surround view ECUs, ADAS sensor fusion, and external amplifiers.

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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.	Mounting Style	Package/Case	Topology	Output Voltage	Output Current	Number of Outputs	Quiescent Current	Switching Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Switching Voltage Regulators Automotive 2.75-V to 6-V 4-A step-down TPS628101HQWRWYRQ1 Texas Instruments 1: £3.19 2,804In Stock New Product	Mfr. Part No. TPS628101HQWRWYRQ1 Mouser Part No 595-S628101HQWRWYRQ1 New Product	Texas Instruments	Switching Voltage Regulators Automotive 2.75-V to 6-V 4-A step-down Learn More about Texas Instruments ti tps6281x q1 step down converters	Datasheet	2,804In Stock	Cut Tape £3.19 £2.41 £2.20 £1.99 View Reel £1.72 £1.88 £1.76 £1.72 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	3.3 V	4 A	1 Output	15 uA	2.25 MHz	- 40 C	+ 125 C	TPS62810-Q1	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 2.75-V to 6-V 2-A step-down TPS62812C0QWRWYRQ1 Texas Instruments 1: £3.17 902In Stock 3,000Expected 07/06/2027 New Product	Mfr. Part No. TPS62812C0QWRWYRQ1 Mouser Part No 595-S62812C0QWRWYRQ1 New Product	Texas Instruments	Switching Voltage Regulators Automotive 2.75-V to 6-V 2-A step-down Learn More about Texas Instruments ti tps6281x q1 step down converters	Datasheet	902In Stock 3,000Expected 07/06/2027	Cut Tape £3.17 £2.39 £2.20 £1.98 View Reel £1.71 £1.88 £1.86 £1.75 £1.71 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	600 mV to 5.5 V	2 A	1 Output	15 uA	2.25 MHz	- 40 C	+ 125 C	TPS62812-Q1	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 2.75-V to 6-V 3-A step-down TPS6281322QWRWYRQ1 Texas Instruments 1: £2.56 2,980In Stock New Product	Mfr. Part No. TPS6281322QWRWYRQ1 Mouser Part No 595-S6281322QWRWYRQ1 New Product	Texas Instruments	Switching Voltage Regulators Automotive 2.75-V to 6-V 3-A step-down Learn More about Texas Instruments ti tps6281x q1 step down converters	Datasheet	2,980In Stock	Cut Tape £2.56 £1.93 £1.77 £1.59 Reel £1.36 View £1.51 £1.49 £1.45 £1.35 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	800 mV	3 A	1 Output	15 uA	4 MHz	- 40 C	+ 125 C	TPS62813-Q1	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 2.75-V to 6-V 3-A step-down TPS628133HQWRWYRQ1 Texas Instruments 1: £2.56 2,758In Stock New Product	Mfr. Part No. TPS628133HQWRWYRQ1 Mouser Part No 595-S628133HQWRWYRQ1 New Product	Texas Instruments	Switching Voltage Regulators Automotive 2.75-V to 6-V 3-A step-down Learn More about Texas Instruments ti tps6281x q1 step down converters	Datasheet	2,758In Stock	Cut Tape £2.56 £1.93 £1.77 £1.59 Reel £1.36 View £1.51 £1.49 £1.45 £1.35 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	3.3 V	3 A	1 Output	15 uA	4 MHz	- 40 C	+ 125 C	TPS62813-Q1	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 2.75-V to 6-V 3-A step-down TPS6281389QWRWYRQ1 Texas Instruments 1: £2.56 3,000In Stock New Product	Mfr. Part No. TPS6281389QWRWYRQ1 Mouser Part No 595-S6281389QWRWYRQ1 New Product	Texas Instruments	Switching Voltage Regulators Automotive 2.75-V to 6-V 3-A step-down Learn More about Texas Instruments ti tps6281x q1 step down converters	Datasheet	3,000In Stock	Cut Tape £2.56 £1.93 £1.77 £1.59 Reel £1.36 View £1.51 £1.49 £1.45 £1.35 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	600 mV to 5.5 V	3 A	1 Output	15 uA	4 MHz	- 40 C	+ 125 C	TPS62813-Q1	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 2.75V to 6V, 4A step-down converter with adjustable frequency and soft start in QFN package TPS62810RWYR Texas Instruments 1: £3.11 3,000Expected 26/07/2027 New Product	Mfr. Part No. TPS62810RWYR Mouser Part No 595-TPS62810RWYR New Product	Texas Instruments	Switching Voltage Regulators 2.75V to 6V, 4A step-down converter with adjustable frequency and soft start in QFN package Learn More about Texas Instruments ti tps6281x q1 step down converters	Datasheet	3,000Expected 26/07/2027	Cut Tape £3.11 £2.35 £2.15 £1.94 £1.84 Reel £1.84 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	0.6 V to 5.5 V	4 A	1 Output	15 uA	2.25 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Switching Voltage Regulators 2.75V to 6V, 1A step-down converter with adjustable frequency and soft start in QFN package TPS62811RWYR Texas Instruments 1: £1.77 3,000Expected 26/11/2026 New Product	Mfr. Part No. TPS62811RWYR Mouser Part No 595-TPS62811RWYR New Product	Texas Instruments	Switching Voltage Regulators 2.75V to 6V, 1A step-down converter with adjustable frequency and soft start in QFN package Learn More about Texas Instruments ti tps6281x q1 step down converters	Datasheet	3,000Expected 26/11/2026	Cut Tape £1.77 £1.30 £1.19 £1.06 View Reel £0.976 £1.01 £0.976 £0.976 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	0.6 V to 5.5 V	1 A	1 Output	15 uA	2.25 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Switching Voltage Regulators 2.75V to 6V, 2A step-down converter with adjustable frequency and soft start in QFN package TPS62812RWYR Texas Instruments 1: £2.12 3,000Expected 23/11/2026 New Product	Mfr. Part No. TPS62812RWYR Mouser Part No 595-TPS62812RWYR New Product	Texas Instruments	Switching Voltage Regulators 2.75V to 6V, 2A step-down converter with adjustable frequency and soft start in QFN package Learn More about Texas Instruments ti tps6281x q1 step down converters	Datasheet	3,000Expected 23/11/2026	Cut Tape £2.12 £1.58 £1.45 £1.30 View Reel £1.21 £1.23 £1.21 £1.21 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	0.6 V to 5.5 V	2 A	1 Output	15 uA	2.25 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Switching Voltage Regulators 2.75V to 6V, 3A step-down converter with adjustable frequency and soft start in QFN package TPS62813RWYR Texas Instruments 1: £2.57 3,000Expected 26/12/2026 New Product	Mfr. Part No. TPS62813RWYR Mouser Part No 595-TPS62813RWYR New Product	Texas Instruments	Switching Voltage Regulators 2.75V to 6V, 3A step-down converter with adjustable frequency and soft start in QFN package Learn More about Texas Instruments ti tps6281x q1 step down converters	Datasheet	3,000Expected 26/12/2026	Cut Tape £2.57 £1.92 £1.76 £1.57 View Reel £1.46 £1.49 £1.46 £1.46 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	0.6 V to 5.5 V	3 A	1 Output	15 uA	2.25 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Switching Voltage Regulators 2.75V to 6V, 3A step-down converter with adjustable frequency and soft start in QFN package TPS62813RWYR.A Texas Instruments 1: £2.83 3,000Expected 03/12/2026 New Product	Mfr. Part No. TPS62813RWYR.A Mouser Part No 595-TPS62813RWYR.A New Product	Texas Instruments	Switching Voltage Regulators 2.75V to 6V, 3A step-down converter with adjustable frequency and soft start in QFN package Learn More about Texas Instruments ti tps6281x q1 step down converters	Datasheet	3,000Expected 03/12/2026	Cut Tape £2.83 £2.14 £1.96 £1.77 View Reel £1.52 £1.68 £1.67 £1.56 £1.52 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	0.6 V to 5.5 V	3 A	1 Output	15 uA	2.25 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel

TPS6281x/TPS6281x-Q1 Step-Down Converters

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TPS6281x/TPS6281x-Q1 Step-Down Converters

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