TPS54290PWPR

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Texas Instruments

4.5 V TO 18 V INPUT, 300 KHZ, 1.5 / 2.5 A DUAL SYNCHRONOUS STEP-DOWN CONVERTER

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DocumentsPower Management Guide 2018 (Rev. R)TPS5429x 1.5-A and 2.5-A Dual, Fully-Synchronous Buck Converter With Integrated MOSFET datasheet (Rev. A)+2

TPS54290PWPR

Active

Texas Instruments

4.5 V TO 18 V INPUT, 300 KHZ, 1.5 / 2.5 A DUAL SYNCHRONOUS STEP-DOWN CONVERTER

Deep-Dive with AI

DocumentsPower Management Guide 2018 (Rev. R)TPS5429x 1.5-A and 2.5-A Dual, Fully-Synchronous Buck Converter With Integrated MOSFET datasheet (Rev. A)+2

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics commom to parts in this series

Specification	TPS54290PWPR	TPS54290 Series

Current - Output	1.5 A, 2.5 A	1.5 - 2.5 A
Frequency - Switching	300 kHz	300 kHz
Function	Step-Down	Step-Down
Mounting Type	Surface Mount	Surface Mount
Number of Outputs [custom]	2	2
Operating Temperature [Max]	125 °C	125 °C
Operating Temperature [Min]	-40 °C	-40 °C
Output Configuration	Positive	Positive
Output Type	Adjustable	Adjustable
Package / Case	16-PowerTSSOP	16-PowerTSSOP
Package / Case [y]	4.4 mm	4.4 mm
Package / Case [y]	0.173 in	0.173 in
Supplier Device Package	16-HTSSOP	16-HTSSOP
Synchronous Rectifier	True	True
Topology	Buck	Buck
Voltage - Input (Max) [Max]	18 V	18 V
Voltage - Input (Min) [Min]	4.5 V	4.5 V
Voltage - Output (Max) [Max]	16.2 V	16.2 V
Voltage - Output (Min/Fixed)	0.8 V	0.8 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 4.71
		10	$ 4.23
		25	$ 4.00
		100	$ 3.47
		250	$ 3.29
		500	$ 2.95
		1000	$ 2.49
	Digi-Reel®	1	$ 4.71
		10	$ 4.23
		25	$ 4.00
		100	$ 3.47
		250	$ 3.29
		500	$ 2.95
		1000	$ 2.49
	Tape & Reel (TR)	2000	$ 2.36
Texas Instruments	LARGE T&R	1	$ 3.56
		100	$ 3.12
		250	$ 2.18
		1000	$ 1.76

TPS54290 Series

4.5 V to 18 V input, 300 kHz, 1.5 / 2.5 A dual synchronous step-down converter

Part	Operating Temperature [Min]	Operating Temperature [Max]	Mounting Type	Voltage - Input (Min) [Min]	Function	Voltage - Input (Max) [Max]	Output Type	Current - Output	Number of Outputs [custom]	Frequency - Switching	Supplier Device Package	Package / Case [y]	Package / Case	Package / Case [y]	Synchronous Rectifier	Output Configuration	Voltage - Output (Min/Fixed)	Voltage - Output (Max) [Max]	Topology
Texas Instruments TPS54290PWP The TPS54290, TPS54291, and TPS54292 devices are dual-output, fully synchronous buck converters capable of supporting applications with a minimal number of external components. It operates from a 4.5-V to 18-V input supply voltage, and supports output voltages as low as 0.8 V and as high as 90% of the input voltage. Both high-side and low-side MOSFETs are integrated to provide fully synchronous conversion with higher efficiency. Channel 1 can provide up to 1.5 A of continuous current. Meanwhile, Channel 2 supports up to 2.5 A. Current mode control simplifies the compensation. The external compensation adds flexibility for the user to choose different type of output capacitors. 180° out-of-phase operation reduces the ripple current through the input capacitor, providing the benefit of reducing input capacitance, alleviating EMI and increasing capacitor life. The TPS54290, TPS54291, and TPS54292 devices are dual-output, fully synchronous buck converters capable of supporting applications with a minimal number of external components. It operates from a 4.5-V to 18-V input supply voltage, and supports output voltages as low as 0.8 V and as high as 90% of the input voltage. Both high-side and low-side MOSFETs are integrated to provide fully synchronous conversion with higher efficiency. Channel 1 can provide up to 1.5 A of continuous current. Meanwhile, Channel 2 supports up to 2.5 A. Current mode control simplifies the compensation. The external compensation adds flexibility for the user to choose different type of output capacitors. 180° out-of-phase operation reduces the ripple current through the input capacitor, providing the benefit of reducing input capacitance, alleviating EMI and increasing capacitor life.	-40 °C	125 °C	Surface Mount	4.5 V	Step-Down	18 V	Adjustable	1.5 A, 2.5 A	2	300 kHz	16-HTSSOP	4.4 mm	16-PowerTSSOP	0.173 in		Positive	0.8 V	16.2 V	Buck
Texas Instruments TPS54290PWPR The TPS54290, TPS54291, and TPS54292 devices are dual-output, fully synchronous buck converters capable of supporting applications with a minimal number of external components. It operates from a 4.5-V to 18-V input supply voltage, and supports output voltages as low as 0.8 V and as high as 90% of the input voltage. Both high-side and low-side MOSFETs are integrated to provide fully synchronous conversion with higher efficiency. Channel 1 can provide up to 1.5 A of continuous current. Meanwhile, Channel 2 supports up to 2.5 A. Current mode control simplifies the compensation. The external compensation adds flexibility for the user to choose different type of output capacitors. 180° out-of-phase operation reduces the ripple current through the input capacitor, providing the benefit of reducing input capacitance, alleviating EMI and increasing capacitor life. The TPS54290, TPS54291, and TPS54292 devices are dual-output, fully synchronous buck converters capable of supporting applications with a minimal number of external components. It operates from a 4.5-V to 18-V input supply voltage, and supports output voltages as low as 0.8 V and as high as 90% of the input voltage. Both high-side and low-side MOSFETs are integrated to provide fully synchronous conversion with higher efficiency. Channel 1 can provide up to 1.5 A of continuous current. Meanwhile, Channel 2 supports up to 2.5 A. Current mode control simplifies the compensation. The external compensation adds flexibility for the user to choose different type of output capacitors. 180° out-of-phase operation reduces the ripple current through the input capacitor, providing the benefit of reducing input capacitance, alleviating EMI and increasing capacitor life.	-40 °C	125 °C	Surface Mount	4.5 V	Step-Down	18 V	Adjustable	1.5 A, 2.5 A	2	300 kHz	16-HTSSOP	4.4 mm	16-PowerTSSOP	0.173 in		Positive	0.8 V	16.2 V	Buck

Description

General part information

TPS54290 Series

The TPS54290, TPS54291, and TPS54292 devices are dual-output, fully synchronous buck converters capable of supporting applications with a minimal number of external components. It operates from a 4.5-V to 18-V input supply voltage, and supports output voltages as low as 0.8 V and as high as 90% of the input voltage.

Both high-side and low-side MOSFETs are integrated to provide fully synchronous conversion with higher efficiency. Channel 1 can provide up to 1.5 A of continuous current. Meanwhile, Channel 2 supports up to 2.5 A.

Current mode control simplifies the compensation. The external compensation adds flexibility for the user to choose different type of output capacitors.

Documents

Technical documentation and resources

Power Management Guide 2018 (Rev. R)

Selection guide

TPS5429x 1.5-A and 2.5-A Dual, Fully-Synchronous Buck Converter With Integrated MOSFET datasheet (Rev. A)

Data sheet

TPS5429x Step-Down Converter Evaluation Module User's Guide (Rev. A)

User guide

Understanding Thermal Dissipation and Design of a Heatsink

Application note