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 (PEN) 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 42 V Input 3.5 A Ste p-Dwn DC/DC Cnvtr A A 595-TPS54340DDAR 8,944In Stock
S/22.03
S/16.85
S/15.45
S/14.25
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 14,877In Stock
Cut Tape
S/19.50
S/14.87
S/13.70
S/12.42
Reel
S/10.98
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-TPS54560BDDA 5,545In Stock
Cut Tape
S/22.42
S/17.13
S/15.80
S/14.32
Reel
S/12.65
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 3,153In Stock
6,000Expected 2/22/2027
S/29.39
S/22.73
S/19.54
S/18.76
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 42-V input 3.5-A s t ep-down DC/DC conve A 595-TPS54340BDDAR 2,903In Stock
S/22.81
S/17.36
S/16.00
S/14.52
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 60V Inpt 3.5 Stp-Dn DC-DC Cnvrtr w/ c-m A 595-TPS54360DDAR 2,158In Stock
S/25.18
S/19.31
S/17.83
S/16.23
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 DC-DC converter A 59 5-TPS54361QDPRRQ1 A A 595-TPS54361QDPRRQ1 2,241In Stock
2,750Expected 11/5/2026
Cut Tape
S/27.40
S/21.02
S/19.42
S/17.67
Reel
S/16.78
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

Texas Instruments Switching Voltage Regulators 4.5-V to 42-V input 5-A step-down conve A 595-TPS54540BDDAR 464In Stock
S/24.91
S/19.11
S/17.05
S/15.88
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 1,221In Stock
12,500Expected 1/4/2027
Cut Tape
S/20.63
S/15.73
S/14.52
S/13.16
Reel
S/11.60
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-TPS54540DDAR 2,942In Stock
S/24.52
S/18.80
S/16.54
S/15.76
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 42V 5A SD DC-DC Conv erter A 595-TPS5454 A 595-TPS54540DDA 3,651In Stock
7,500Expected 1/11/2027
Cut Tape
S/20.32
S/15.65
S/14.44
S/13.16
Reel
S/11.72
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 4.5-42V Input 5A SD DC-DC Cnvtr A 595-TP A 595-TPS54541DPRR 381In Stock
Cut Tape
S/26.16
S/20.09
S/18.57
S/16.89
Reel
S/16.66
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-TPS54560BDDAR 2,868In Stock
S/27.79
S/22.42
S/19.27
S/18.49
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-TPS54561DPRR Lead-Time 16 Weeks
Cut Tape
S/31.84
S/24.52
S/22.73
S/20.71
Reel
S/19.19
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-TPS54561QDPRTQ1 3,118In Stock
3,000Expected 1/21/2027
Cut Tape
S/32.04
S/24.76
S/22.93
S/20.90
Reel
S/17.36
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 Auto 4.5-60Vin 5A SD DC-DC Converter A 5 A 595-TPS54561QDPRRQ1 1,715In Stock
Cut Tape
S/35.73
S/28.34
S/26.31
S/24.09
Reel
S/23.04
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 34In Stock
3,000Expected 11/19/2026
Cut Tape
S/20.20
S/15.38
S/14.17
S/12.38
Reel
S/10.78
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 4.5-42V Input 3.5A S D DC-DC Cnvtr A 595 A 595-TPS54341DPRR 376In Stock
Cut Tape
S/23.71
S/18.06
S/16.66
S/15.10
Reel
S/14.32
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 4.5 to 60V Input 3.5 A SD DC-DC Cnvtr A A 595-TPS54361DPRT 86In Stock
6,000Expected 11/19/2026
Cut Tape
S/21.21
S/16.19
S/14.91
S/13.55
Reel
S/11.48
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 223In Stock
250Expected 10/9/2026
Cut Tape
S/23.82
S/18.26
S/16.89
S/15.38
Reel
S/14.64
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 44In Stock
3,000Expected 11/19/2026
Cut Tape
S/22.93
S/17.52
S/16.19
S/14.25
Reel
S/12.88
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 60V Input 5 A SD DC- DC Cnvtr A 595-TPS5 A 595-TPS54560DDA 43In Stock
22,500On Order
Cut Tape
S/23.04
S/17.59
S/16.23
S/14.71
Reel
S/13.04
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-TPS54561DPRT 36In Stock
6,000Expected 12/31/2026
Cut Tape
S/26.47
S/20.32
S/18.80
S/17.13
Reel
S/15.10
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 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-TPS54340BDDA
7,448On Order
Cut Tape
S/19.62
S/14.95
S/13.78
S/12.49
Reel
S/10.86
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 60 Vin 3.5 A SD DC-D C Converter A 595-T A 595-TPS54360DDA 38In Stock
47,500On Order
Cut Tape
S/18.29
S/13.90
S/12.81
S/11.60
Reel
S/10.08
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