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 (SGD) 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: $6.00 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 $6.00 $4.52 $4.15 $3.74 View Reel $3.24 $3.55 $3.52 $3.30 $3.24 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: $5.96 1,282In Stock 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	1,282In Stock	Cut Tape $5.96 $4.49 $4.12 $3.71 View Reel $3.21 $3.52 $3.50 $3.29 $3.21 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: $4.80 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 $4.80 $3.62 $3.32 $2.99 Reel $2.56 View $2.84 $2.80 $2.73 $2.54 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: $4.80 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 $4.80 $3.62 $3.32 $2.99 Reel $2.56 View $2.84 $2.80 $2.73 $2.54 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: $4.80 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 $4.80 $3.62 $3.32 $2.99 Reel $2.56 View $2.84 $2.80 $2.73 $2.54 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: $5.85 3,000Expected 26/7/2027 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 26/7/2027	Cut Tape $5.85 $4.42 $4.05 $3.66 $3.47 Reel $3.47 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: $3.32 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 $3.32 $2.45 $2.24 $2.00 View Reel $1.84 $1.89 $1.84 $1.84 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: $3.98 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 $3.98 $2.98 $2.72 $2.43 View Reel $2.27 $2.31 $2.27 $2.27 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: $4.84 3,000Expected 26/11/2026 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 26/11/2026	Cut Tape $4.84 $3.60 $3.30 $2.96 View Reel $2.75 $2.80 $2.75 $2.75 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: $5.32 3,000Expected 27/9/2027 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 27/9/2027	Cut Tape $5.32 $4.01 $3.69 $3.32 View Reel $2.87 $3.16 $3.13 $2.94 $2.87 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

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TPS6281x/TPS6281x-Q1 Step-Down Converters

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