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TPS54360QDDARQ1

IC REG BCK SPLIT RAIL ADJ 8SOPWR

Part Number: TPS54360QDDARQ1

Manufacturer: Texas Instruments

Category: Voltage Regulators - DC DC Switching Regulators

Package: 8-PowerSOIC (0.154", 3.90mm Width)

Datasheet:: TPS54360QDDARQ1.pdf

Description: IC REG BCK SPLIT RAIL ADJ 8SOPWR

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PRODUCT INFORMATION

Product Details

PRODUCT TECHNICAL REFERENCE

TPS54360QDDARQ1 4.5-V to 60-V Input, 3.5-A, Step-Down DC-DC Converter With Eco-Mode™

A comprehensive technical overview of the TPS54360QDDARQ1, an automotive-qualified 60-V, 3.5-A step-down regulator from Texas Instruments with integrated high-side MOSFET. Covers device function, core features, electrical specifications, 8-pin HSOIC PowerPAD package, pin configuration, typical applications, and replacement selection guidance.

Texas Instruments 8-Pin HSOIC PowerPAD (DDA) 4.5V to 60V Input

Device Classification 60-V, 3.5-A Step-Down DC-DC Converter

Part Number: TPS54360QDDARQ1

Mounting Type: Surface Mount

Operating Temperature Range: -40°C to +125°C (Ambient)

PRODUCT OVERVIEW

What Is the TPS54360QDDARQ1?

TPS54360QDDARQ1 is a 60-V, 3.5-A step-down regulator from Texas Instruments with an integrated high-side MOSFET. The device is AEC-Q100 qualified for automotive applications and survives load dump pulses up to 65 V per ISO 7637.[reference:0]

Current mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces the no-load supply current to 146 µA, and shutdown supply current is reduced to 2 µA when the enable pin is pulled low.[reference:1]

Undervoltage lockout is internally set at 4.3 V but can be increased using an external resistor divider at the enable pin. The output voltage start-up ramp is internally controlled to provide a controlled start-up and eliminate overshoot. A wide adjustable frequency range from 100 kHz to 2.5 MHz allows either efficiency or external component size to be optimized.[reference:2]

Wide Input Range 4.5V to 60V input voltage range with 65V load dump survivability supports automotive and industrial applications.

High Output Current 3.5-A continuous output current with integrated 92-mΩ high-side MOSFET.

Eco-Mode™ Operation Low-ripple pulse-skip mode reduces no-load supply current to 146 µA.

DEVICE HIGHLIGHTS

Key Features and Benefits of TPS54360QDDARQ1

Wide Input Voltage Range

Operates from 4.5V to 60V with 65V load dump survivability per ISO 7637, supporting automotive, industrial, and communications power systems.

3.5-A Output with Integrated FET

Delivers 3.5-A continuous output current with an integrated 92-mΩ high-side MOSFET, reducing external component count and board space.

Adjustable Switching Frequency

100 kHz to 2.5 MHz adjustable switching frequency with synchronization to external clock, allowing optimization of efficiency or component size.

Low Quiescent Current

146-µA operating quiescent current in Eco-Mode and 2-µA shutdown current, ideal for battery-powered and energy-efficient systems.

Comprehensive Protection Features

Cycle-by-cycle current limit, thermal shutdown, frequency foldback, and adjustable UVLO with hysteresis protect the device under fault conditions.

AEC-Q100 Qualified for Automotive

Qualified with Device Temperature Grade 1 (–40°C to 125°C ambient), HBM ESD Classification Level H1C, and CDM Classification Level C3B.

REFERENCE DATA

Technical Specifications for TPS54360QDDARQ1

Part Number	TPS54360QDDARQ1	Manufacturer	Texas Instruments
Base Part Number	TPS54360-Q1	Device Type	60-V, 3.5-A Step-Down DC-DC Converter
Input Voltage Range	4.5V to 60V	Absolute Max VIN	65V
Output Current	3.5 A	High-Side MOSFET	92 mΩ
Switching Frequency	100 kHz to 2.5 MHz	Quiescent Current (Eco-Mode)	146 µA
Shutdown Current	2 µA	Internal UVLO Threshold	4.3 V
Reference Voltage	0.8 V ±1%	Current Limit	5.5 A (Typical)
Soft-Start Time	2.1 ms @ 500 kHz	Thermal Shutdown	176°C
Thermal Resistance θJA	42°C/W	Junction Temperature Range	-40°C to +150°C
Package	8-Pin HSOIC PowerPAD (DDA)	Package Body Size	4.89 mm × 3.90 mm
Mounting Type	Surface Mount	Ambient Operating Temperature	-40°C to +125°C
ESD (HBM)	Class H1C	ESD (CDM)	Class C3B
Qualification	AEC-Q100 Grade 1	Packaging	Tape & Reel (2,500 per Reel)

Electrical values shown above are reference values. Test conditions, limits, and guaranteed performance should always be confirmed from the current official manufacturer datasheet before design or production use.

DESIGN REFERENCE

Circuit Considerations for TPS54360QDDARQ1

Output Voltage & Frequency Configuration

The TPS54360QDDARQ1 offers flexible output voltage and frequency configuration:

Output Voltage: Set with external resistor divider connected to FB pin using 0.8 V ±1% internal reference[reference:3]
Switching Frequency: Programmable from 100 kHz to 2.5 MHz via resistor on RT/CLK pin, or synchronizable to external clock[reference:4]
Enable & UVLO: Internal pullup current source on EN pin; adjustable UVLO with external resistor divider[reference:5]
Soft-Start: Internal digital soft-start ramps reference from 0V to final value in 1024 switching cycles[reference:6]
BOOT Capacitor: 0.1 µF ceramic capacitor required between BOOT and SW pins[reference:7]

PCB and Power-Supply Guidance

Step-down converter performance depends on layout, bypassing, and component selection:

Input Capacitor: Place high-quality ceramic capacitor close to VIN and GND pins to minimize input voltage ripple
Output Capacitor: Use ceramic capacitor with appropriate voltage rating and capacitance for stable operation
Exposed Pad: Thermal GND pad (Pin 9) must be soldered to PCB for proper thermal and electrical performance[reference:8]
Frequency Compensation: Connect compensation components between COMP and GND pins[reference:9]
Bootstrap Capacitor: Place 0.1 µF X7R/X5R capacitor with ≥10 V rating close to BOOT and SW pins[reference:10]
Thermal resistance θJA = 42°C/W; ensure adequate PCB copper area for heat dissipation[reference:11]
Verify the recommended PCB footprint from the official datasheet before production

8-PIN HSOIC PowerPAD (DDA)

Pin Configuration Reference for TPS54360QDDARQ1

TPS54360

HSOIC (DDA) TOP VIEW

Confirm package orientation and pin numbering against the official package drawing before PCB layout. The DDA package has 8 pins with exposed thermal pad (Pin 9) connected to GND.

1 BOOT Bootstrap Capacitor Connection - Connect 0.1 µF capacitor between BOOT and SW[reference:12]

2 VIN Input Supply Voltage - 4.5V to 60V[reference:13]

3 EN Enable Input - Internal pullup current source. Pull below 1.2V to disable[reference:14]

4 RT/CLK Frequency Set / External Clock Input - Resistor to ground sets frequency; external clock for synchronization[reference:15]

5 FB Feedback Input - Inverting input of error amplifier; connect to external resistor divider[reference:16]

6 COMP Error Amplifier Output - Connect frequency compensation components[reference:17]

7 GND Ground - Signal and power ground reference

8 SW Switch Node - Source of internal high-side MOSFET; connect to inductor[reference:18]

APPLICATION AREAS

Typical Applications for TPS54360QDDARQ1

Vehicle Accessories

GPS, infotainment, ADAS, eCall, and other automotive electronic systems[reference:19]

USB Dedicated Charging Ports

USB charging ports and battery chargers for automotive and portable applications[reference:20]

Industrial Automation & Motor Controls

Industrial automation systems, motor drives, and factory automation equipment[reference:21]

12-V, 24-V, and 48-V Power Systems

Industrial, automotive, and communications power distribution systems[reference:22]

Communications Infrastructure

Telecom and networking equipment power supplies

General Purpose Step-Down Regulation

Versatile step-down conversion from 4.5V to 60V input sources

REPLACEMENT GUIDANCE

Selecting an Alternative for TPS54360QDDARQ1

A replacement for the TPS54360QDDARQ1 should not be selected only by product category. The electrical characteristics, package, and pin configuration must be evaluated against the actual circuit requirements.

Input voltage range (4.5V–60V, 65V abs max)

Output current capability (3.5A)

Switching frequency (100kHz–2.5MHz adjustable)

Quiescent current (146µA Eco-Mode)

Package (8-pin HSOIC PowerPAD)

Operating temperature (–40°C to 125°C ambient)

AEC-Q100 automotive qualification

Integrated 92mΩ high-side MOSFET

Family alternatives: TPS54360QDDARQ1 (tape and reel, 2,500 units), TPS54360QDDAQ1 (tube packaging, same electrical specs), TPS54160-Q1 (1.5A, 60V), TPS54260-Q1 (2.5A, 60V), TPS54360 (non-automotive version). For lower current requirements, consider TPS54160-Q1 (1.5A) or TPS54260-Q1 (2.5A). Select based on output current, package, and packaging needs.

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MANUFACTURER INFORMATION

Texas Instruments

The TPS54360-Q1 (TPS54360QDDARQ1) belongs to the automotive-qualified step-down regulator portfolio of Texas Instruments. The device is designed for 12-V, 24-V, and 48-V industrial, automotive, and communications power systems with wide input voltage range and integrated high-side MOSFET.[reference:23][reference:24]

SUPPLIED BY

Haishengye Electronics

Haishengye Electronics provides electronic component stock supply, BOM sourcing, quotation support, and quality inspection services for TPS54360QDDARQ1 and related devices.

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Technical Information Disclaimer

This technical guide is provided for product identification and preliminary reference only. Electrical limits, package dimensions, pin configuration, product status, and application suitability must be verified using current official manufacturer documentation before design, procurement, or production.

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TPS54360QDDARQ1 Technical Information

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Specifications

Product Attribute: Attribute Value

Part Number: TPS54360QDDARQ1

Manufacturer: Texas Instruments

Package: 8-PowerSOIC (0.154", 3.90mm Width)

Series: Eco-Mode™

Package/Case: 8-PowerSOIC (0.154", 3.90mm Width)

Packaging: Tape & Reel (TR)

Product Status: Not For New Designs

Function: Step-Down

Output Configuration: Positive

Topology: Buck, Split Rail

Output Type: Adjustable

Number of Outputs: 1

Voltage - Input (Min): 4.5V

Voltage - Input (Max): 60V

Voltage - Output (Min/Fixed): 0.8V

Voltage - Output (Max): 58.8V

Current - Output: 3.5A

Frequency - Switching: 100kHz ~ 2.5MHz

Synchronous Rectifier: No

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

Grade: Automotive

Qualification: AEC-Q100

Mounting Type: Surface Mount

Supplier Device Package: 8-SO PowerPad

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TPS54360QDDARQ1 Procurement and Technical Support

TPS54360QDDARQ1 is manufactured by Texas Instruments. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

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Part Number: TPS54360QDDARQ1

Manufacturer: Texas Instruments

Package: 8-PowerSOIC (0.154", 3.90mm Width)

Category: Voltage Regulators - DC DC Switching Regulators

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