TPS543xx/-Q1 & TPS545xx/Q1 DC-DC Converters

Texas Instruments TPS543xx/-Q1 and TPS545xx/-Q1 are 42V input 3.5A and 5A step-down DC-DC converters with an integrated high side MOSFET. TI TPS54360 and TPS54560 are 60V input 3.5A and 5A DC-DC converters with integrated high side MOSFET. TPS54341 / TPS54541 and TPS54361 / TPS54561 devices offer 100kHz to 2.5MHz adjustable switching frequency while TPS543x0 and TPS545x0 devices have 100kHz to 2.5MHz fixed switching frequency. These TI step-down converters survive load dump pulses up to 65V per ISO 7637. All of the parts offer high efficiency at light loads with pulse skipping Eco-mode. The TPS543xx-Q1 & TPS545xx-Q1 devices are AEC-Q100 qualified for automotive applications.

Results: 26
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Mounting Style Package/Case Topology Output Voltage Output Current Number of Outputs Quiescent Current Switching Frequency Minimum Operating Temperature Maximum Operating Temperature Qualification Series Packaging

Texas Instruments Switching Voltage Regulators 42V 5A SD DC-DC Conv erter A 595-TPS5454 A 595-TPS54540DDAR 4,069In Stock
Min.: 1
Mult.: 1

SMD/SMT SO-PowerPAD-8 Buck 800 mV to 41.1 V 5 A 1 Output 146 uA 100 kHz to 2.5 MHz - 40 C + 125 C TPS54540 Tube

Texas Instruments Switching Voltage Regulators 42 V Input 3.5 A Ste p-Dwn DC/DC Cnvtr A A 595-TPS54340DDAR 9,826In Stock
Min.: 1
Mult.: 1

SMD/SMT SO-PowerPAD-8 Buck 800 mV to 41.1 V 3.5 A 1 Output 146 uA 500 kHz - 40 C + 125 C TPS54340 Tube

Texas Instruments Switching Voltage Regulators 42 V Input 3.5 A Ste p-Dwn DC/DC Cnvtr A A 595-TPS54340DDA 7,460In Stock
17,500Expected 29/6/2026
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SO-PowerPAD-8 Buck 800 mV to 41.1 V 3.5 A 1 Output 146 uA 100 kHz to 2.5 MHz - 40 C + 150 C TPS54340 Reel, Cut Tape, MouseReel

Texas Instruments Switching Voltage Regulators 4.5-V to 60-V input 5-A step-down DC-D A A 595-TPS54560BDDAR 3,449In Stock
Min.: 1
Mult.: 1

SMD/SMT SO-PowerPAD-8 Buck 800 mV to 58.8 V 5 A 1 Output 1.1 mA 100 kHz to 2.5 MHz - 40 C + 150 C TPS54560B Tube
Texas Instruments Switching Voltage Regulators 4.5V to 60V Input 5A SD DC-DC Cnvtr A 59 A 595-TPS54561DPRT 5,340In Stock
Min.: 1
Mult.: 1
Max.: 190
: 3,000

SMD/SMT WSON-10 Buck 800 mV to 59 V 5 A 1 Output 152 uA 500 kHz - 40 C + 125 C TPS54561 Reel, Cut Tape, MouseReel

Texas Instruments Switching Voltage Regulators 42-V input 3.5-A s t ep-down DC/DC conve A 595-TPS54340BDDAR 3,195In Stock
Min.: 1
Mult.: 1

SMD/SMT SO-PowerPAD-8 Buck 800 mV to 41.1 V 3.5 A 1 Output 146 uA 100 kHz to 2.5 MHz - 40 C + 150 C TPS54340B Tube

Texas Instruments Switching Voltage Regulators 42-V input 3.5-A s t ep-down DC/DC conve A 595-TPS54340BDDA 3,079In Stock
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SO-PowerPAD-8 Buck 800 mV to 41.1 V 3.5 A 1 Output 146 uA 100 kHz to 2.5 MHz - 40 C + 150 C TPS54340B Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 4.5-42V Input 3.5A S D DC-DC Cnvtr A 595 A 595-TPS54341DPRR 481In Stock
Min.: 1
Mult.: 1
: 250

SMD/SMT WSON-10 Buck 800 mV to 41 V 3.5 A 1 Output 152 uA 500 kHz - 40 C + 85 C TPS54341 Reel, Cut Tape, MouseReel

Texas Instruments Switching Voltage Regulators 60V Inpt 3.5 Stp-Dn DC-DC Cnvrtr w/ c-m A 595-TPS54360DDAR 2,462In Stock
Min.: 1
Mult.: 1

SMD/SMT SO-PowerPAD-8 Buck 800 mV to 58.8 V 3.5 A 1 Output 146 uA 100 kHz to 2.5 MHz - 40 C + 125 C TPS54360 Tube

Texas Instruments Switching Voltage Regulators 60 Vin 3.5 A SD DC-D C Converter A 595-T A 595-TPS54360DDA 3,320In Stock
15,000Expected 29/6/2026
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SO-PowerPAD-8 Buck 800 mV to 58.8 V 3.5 A 1 Output 146 uA 100 kHz to 2.5 MHz - 40 C + 125 C TPS54360 Reel, Cut Tape, MouseReel

Texas Instruments Switching Voltage Regulators 4.5-V to 42-V input 5-A step-down conve A 595-TPS54540BDDAR 472In Stock
Min.: 1
Mult.: 1

SMD/SMT SO-PowerPAD-8 Buck 800 mV to 41.1 V 5 A 1 Output 146 uA 100 kHz to 2.5 MHz - 40 C + 150 C TPS54540B Tube

Texas Instruments Switching Voltage Regulators 4.5-V to 42-V input 5-A step-down conve A 595-TPS54540BDDA 2,543In Stock
5,000Expected 12/10/2026
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SO-PowerPAD-8 Buck 800 mV to 41.1 V 5 A 1 Output 146 uA 100 kHz to 2.5 MHz - 40 C + 150 C TPS54540B Reel, Cut Tape, MouseReel

Texas Instruments Switching Voltage Regulators 42V 5A SD DC-DC Conv erter A 595-TPS5454 A 595-TPS54540DDA 4,128In Stock
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SO-PowerPAD-8 Buck 800 mV to 41.1 V 5 A 1 Output 146 uA 100 kHz to 2.5 MHz - 40 C + 125 C TPS54540 Reel, Cut Tape, MouseReel

Texas Instruments Switching Voltage Regulators 60V Input 5 A SD DC- DC Cnvtr A 595-TPS5 A 595-TPS54560DDA 3,216In Stock
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SO-PowerPAD-8 Buck 800 mV to 58.8 V 5 A 1 Output 1.1 mA 100 kHz to 2.5 MHz - 40 C + 125 C TPS54560 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 4.5V to 60V Input 5A SD DC-DC Cnvtr A 59 A 595-TPS54561DPRR 308In Stock
Min.: 1
Mult.: 1
: 250

SMD/SMT WSON-10 Buck 800 mV to 59 V 5 A 1 Output 152 uA 500 kHz - 40 C + 125 C TPS54561 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators Auto 4.5-60Vin 5A SD DC-DC Converter A 5 A 595-TPS54561QDPRRQ1 370In Stock
750Expected 8/9/2026
Min.: 1
Mult.: 1
: 250

SMD/SMT WSON-10 Buck 800 mV to 59 V 5 A 1 Output 152 uA 500 kHz - 40 C + 125 C AEC-Q100 TPS54561 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 4.5 to 42V Input 3.5 A SD DC-DC Cnvtr A A 595-TPS54341DPRT 50In Stock
3,000Expected 11/2/2027
Min.: 1
Mult.: 1
: 3,000

SMD/SMT WSON-10 Buck 800 mV to 41 V 3.5 A 1 Output 152 uA 500 kHz - 40 C + 85 C TPS54341 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 4.5 to 60V Input 3.5 A SD DC-DC Cnvtr A A 595-TPS54361DPRT 312In Stock
3,000Expected 10/7/2026
Min.: 1
Mult.: 1
: 3,000

SMD/SMT WSON-10 Buck 800 mV to 59 V 3.5 A 1 Output 152 uA 500 kHz - 40 C + 85 C TPS54361 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 4.5 to 60V Input 3.5 A SD DC-DC Cnvtr A A 595-TPS54361DPRR 302In Stock
Min.: 1
Mult.: 1
: 250

SMD/SMT WSON-10 Buck 800 mV to 59 V 3.5 A 1 Output 152 uA 500 kHz - 40 C + 85 C TPS54361 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 4.5V to 42V Input 5A SD DC-DC Cnvtr A 59 A 595-TPS54541DPRT 425In Stock
3,000Expected 4/9/2026
Min.: 1
Mult.: 1
: 3,000

SMD/SMT WSON-10 Buck 800 mV to 41 V 5 A 1 Output 152 uA 500 kHz - 40 C + 85 C TPS54541 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 4.5-42V Input 5A SD DC-DC Cnvtr A 595-TP A 595-TPS54541DPRR 148In Stock
250Expected 24/6/2026
Min.: 1
Mult.: 1
: 250

SMD/SMT WSON-10 Buck 800 mV to 41 V 5 A 1 Output 152 uA 500 kHz - 40 C + 85 C TPS54541 Reel, Cut Tape, MouseReel

Texas Instruments Switching Voltage Regulators 4.5-V to 60-V input 5-A step-down DC-D A A 595-TPS54560BDDA 146In Stock
7,500Expected 21/9/2026
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SO-PowerPAD-8 Buck 800 mV to 58.8 V 5 A 1 Output 1.1 mA 100 kHz to 2.5 MHz - 40 C + 150 C TPS54560B Reel, Cut Tape, MouseReel

Texas Instruments Switching Voltage Regulators 60V Input 5 A SD DC- DC Cnvtr A 595-TPS5 A 595-TPS54560DDAR 133In Stock
2,700On Order
Min.: 1
Mult.: 1

SMD/SMT SO-PowerPAD-8 Buck 800 mV to 58.8 V 5 A 1 Output 1.1 mA 100 kHz to 2.5 MHz - 40 C + 125 C TPS54560 Tube
Texas Instruments Switching Voltage Regulators Auto 4.5-60Vin 5A SD DC-DC Converter A 5 A 595-TPS54561QDPRTQ1 295In Stock
3,000Expected 17/8/2026
Min.: 1
Mult.: 1
: 3,000

SMD/SMT WSON-10 Buck 800 mV to 59 V 5 A 1 Output 152 uA 500 kHz - 40 C + 125 C AEC-Q100 TPS54561 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators DC-DC converter A 59 5-TPS54361QDPRRQ1 A A 595-TPS54361QDPRRQ1
1,838On Order
Min.: 1
Mult.: 1
: 250

SMD/SMT WSON-10 Buck 800 mV to 59 V 3.5 A 1 Output 152 uA 500 kHz - 40 C + 125 C AEC-Q100 TPS54361 Reel, Cut Tape, MouseReel