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Home Products Integrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching Regulators~~TPS54361QDPRTQ1~~

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TPS54361QDPRTQ1 - Texas Instruments

Name: Texas Instruments TPS54361QDPRTQ1
Brand: Texas Instruments
SKU: TPS54361QDPRTQ1
Price: 2.54 USD
Availability: InStock
Rating: 5 (9 reviews)

Manufacturer Part Number: TPS54361QDPRTQ1

Manufacturer: Texas Instruments

Allelco Part Number: 32D-TPS54361QDPRTQ1

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 6,638 pcs available, New & Original

Parts Description: IC REG BCK SPLIT RAIL ADJ 10WSON

Package: 10-WSON (4x4)

Data sheet: -

RoHs Status: ROHS3 Compliant

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Quantity	Unit Price	Ext. Price
1+	$3.433	$3.43
10+	$3.012	$30.12
30+	$2.755	$82.65
100+	$2.54	$254.00

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TPS54361QDPRTQ1 Tech Specifications
Texas Instruments - TPS54361QDPRTQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS54361QDPRTQ1

Product Attribute	Attribute Value
Manufacturer	Texas Instruments
Voltage - Output (Min/Fixed)	0.8V
Voltage - Output (Max)	58.8V
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	60V
Topology	Buck, Split Rail
Synchronous Rectifier	No
Supplier Device Package	10-WSON (4x4)
Series	Automotive, AEC-Q100, Eco-Mode™
Package / Case	10-WDFN Exposed Pad

Product Attribute	Attribute Value
Package	Tape & Reel (TR)
Output Type	Adjustable
Output Configuration	Positive
Operating Temperature	-40°C ~ 150°C (TJ)
Number of Outputs	1
Mounting Type	Surface Mount
Function	Step-Down
Frequency - Switching	100kHz ~ 2.5MHz
Current - Output	3.5A
Base Product Number	TPS54361

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0001

Parts Introduction

TPS54361QDPRTQ1 (1)

Manufacturer Part Number

TPS54361QDPRTQ1

Manufacturer

Texas Instruments

Introduction

The TPS54361QDPRTQ1 is a high-performance, adjustable output DC-DC step-down (buck) switching regulator designed for automotive and industrial applications requiring efficient power management.

Product Features and Performance

Adjustable output voltage from 0.8V to 58.8V

Capable of handling input voltage between 4.5V and 60V

Delivers a maximum output current of 3.5A

Switching frequency ranges from 100kHz to 2.5MHz

Operates efficiently with Eco-Mode™ technology

Supports a split rail topology

Functionality includes a non-synchronous rectifier

Product Advantages

High efficiency in variable load conditions due to Eco-Mode™

Wide input voltage range allows for use in diverse applications

High thermal performance ensures operation in extreme conditions up to 150°C

Suitable for automotive applications due to AEC-Q100 qualification

TPS54361QDPRTQ1 (2)

Key Technical Parameters

Voltage Input (Min): 4.5V

Voltage Input (Max): 60V

Voltage Output (Min): 0.8V

Voltage Output (Max): 58.8V

Current Output: 3.5A

Frequency Switching: 100kHz ~ 2.5MHz

Operating Temperature: -40°C ~ 150°C (TJ)

Quality and Safety Features

AEC-Q100 qualified for automotive reliability

Operating temperature range suited for harsh environments

Built with over-temperature and over-current protection mechanisms

Compatibility

Compatible with a wide range of input voltages and capable of driving various load types due to its adjustable output.

Application Areas

Automotive electronics

Industrial power supply systems

Portable and battery-operated devices

Product Lifecycle

Product Status: Active

Not nearing discontinuation, with ongoing support and availability.

Several Key Reasons to Choose This Product

Broad operating temperature range suitable for extreme environments

High flexibility in voltage input and output for diverse application necessities

Eco-Mode™ technology enhances efficiency and reduces energy wastage

AEC-Q100 qualification ensures high reliability for automotive usage

Compact 10-WDFN package suitable for space-constrained applications

Frequently Asked Questions(FAQ)

How does the TPS54361QDPRTQ1 handle input voltage transients during automotive cold crank conditions, and what design considerations are needed to ensure stable operation?: The TPS54361QDPRTQ1 is rated for a wide input voltage range from 4.5V to 60V, which supports robust operation under automotive cold crank events where input voltages can dip significantly below 12V. However, during such transients, the device must maintain sufficient headroom above its minimum operating voltage while avoiding dropout. Designers should verify that the output voltage regulation remains stable by ensuring adequate input capacitance to handle current surges and that the feedback loop bandwidth accommodates transient response requirements. Additionally, layout parasitics and PCB trace resistance can exacerbate voltage drops during high-current startup, so careful attention to thermal vias and grounding is essential.

What are the key differences between using the TPS54361QDPRTQ1 in a standard industrial application versus an AEC-Q100 qualified automotive design, particularly regarding reliability and qualification testing?: While both applications leverage the same core IC architecture, the TPS54361QDPRTQ1 in automotive use (as indicated by its QDQRTQ1 suffix) undergoes full AEC-Q100 qualification, including stress tests for temperature cycling, power cycling, and mechanical shock—conditions not required for industrial parts. This ensures long-term reliability in harsh environments. Automotive implementations also demand stricter adherence to functional safety standards, traceability, and production part approval processes (PPAP), whereas industrial designs may prioritize cost and availability over formal qualification. The extended junction temperature range up to 150°C further supports use in under-hood or high-power density systems.

Can the TPS54361QDPRTQ1 be used to generate negative rails in addition to positive ones, and how does this impact efficiency compared to traditional dual-output buck-boost configurations?: Yes, the TPS54361QDPRTQ1 supports split-rail operation, enabling it to produce both positive and negative outputs from a single inductor, effectively acting as a buck regulator with adjustable output polarity. Compared to discrete solutions or separate buck-boost stages, this integration reduces component count and board space. However, efficiency varies based on load conditions and switching frequency; typically, it achieves 85–92% efficiency at moderate loads, depending on input/output voltage differentials and switching losses. At higher frequencies within its 100kHz–2.5MHz range, switching losses increase but allow smaller passive components, creating a trade-off between efficiency and size.

How does the adjustable output voltage range of the TPS54361QDPRTQ1 affect system-level power sequencing, especially when interfacing with microcontrollers that require precise startup ramps?: With an adjustable output ranging from 0.8V to 58.8V, the TPS54361QDPRTQ1 offers flexibility but requires careful control over soft-start timing and ramp rates to prevent inrush currents or brownouts in downstream ICs. The internal soft-start capacitor sets the ramp time, which defaults to approximately 2.5 ms unless externally modified. For microcontrollers sensitive to supply ramp characteristics, designers may need to add external circuitry such as RC filters or dedicated power-good signals to coordinate sequencing with other subsystems. Failure to manage this properly could result in reset pulses or data corruption during boot-up.

In high-frequency switching scenarios, what layout considerations are critical to minimize EMI and ensure reliable operation with the TPS54361QDPRTQ1?: When operating near the upper end of the 2.5MHz switching frequency range, parasitic inductance and capacitance become significant sources of noise and instability. The TPS54361QDPRTQ1’s compact 10-WSON package helps reduce loop area, but optimal performance demands a low-impedance ground plane, tightly coupled input and output capacitors placed directly adjacent to the VIN and PGND pins, and minimized trace lengths for the SW node. A solid thermal pad connection via multiple vias prevents thermal resistance buildup and maintains junction temperature within safe limits. Poor layout can lead to radiated emissions exceeding automotive EMC thresholds even if the circuit functions correctly under bench testing.

How does the absence of synchronous rectification in the TPS54361QDPRTQ1 compare to modern synchronous buck converters in terms of efficiency under light-load conditions?: Unlike synchronous buck converters that use MOSFETs instead of diodes to replace the body diode conduction path, the TPS54361QDPRTQ1 employs a non-synchronous topology, relying on an external Schottky diode or MOSFET for freewheeling. This results in higher reverse recovery losses and slightly reduced efficiency at light loads compared to synchronous counterparts—typically 10–15% lower at loads below 100mA due to increased conduction losses through the diode. However, the simplicity of the design improves transient response and reduces gate drive complexity, making it suitable for cost-sensitive or thermally constrained applications where absolute peak efficiency is less critical than robustness and ease of implementation.

What role does the Eco-Mode™ feature play in optimizing energy consumption in battery-powered automotive auxiliary systems using the TPS54361QDPRTQ1?: Although primarily designed for high-voltage automotive environments rather than battery longevity, the TPS54361QDPRTQ1 incorporates Eco-Mode™ technology, which enables very low quiescent current operation by reducing internal bias currents during light-load conditions. This allows the device to maintain regulation without excessive standby power draw, beneficial in systems like infotainment or ADAS modules that experience intermittent loads. By minimizing Iq to around 20 µA typical, the regulator helps preserve overall system battery life in hybrid or mild-hybrid vehicles where auxiliary loads contribute to total energy budgeting. However, the benefit diminishes rapidly as load increases beyond 100 mA due to dominant conduction and switching losses.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS54361QDPRTQ1

Product Attribute
Part Number	TPS54361QDPRRQ1	TPS54362AQPWPRQ1	TPS54362BQPWPRQ1	TPS54360QDDARQ1
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Voltage - Input (Max)	-	-	-	-
Synchronous Rectifier	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Series	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Voltage - Input (Min)	-	-	-	-
Function	-	-	-	-
Voltage - Output (Max)	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Topology	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Output Type	-	Current - Unbuffered	Voltage - Buffered	-
Output Configuration	-	-	-	-
Current - Output	-	-	-	-
Number of Outputs	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Voltage - Output (Min/Fixed)	-	-	-	-
Frequency - Switching	-	-	-	-

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Customer Reviews

Evaluation: 10 Articles

Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.
Oliv***arris

May 7, 2026

Reliable I/O expander. Works well in embedded control applications.
Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.

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Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
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