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Texas Instruments TPS5430DDAR
- Part No.:
- TPS5430DDAR
- Manufacturer:
- Texas Instruments
- Package:
- 8-PowerSOIC (0.154", 3.90mm Width)
- Datasheet:
-
TPS5430DDAR.pdf
- Description:
- IC REG BUCK ADJ 3A 8SOPWR
- Quantity:
- Payment:
- Shipping:
Inventory:5,856
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Product details
Overview
TPS5430DDAR from Texas Instruments is a high-efficiency step-down DC/DC buck regulator designed for industrial power conversion, embedded systems, distributed power architectures, and communication equipment. The device integrates a high-side MOSFET, current-mode control, thermal protection, and adjustable output voltage capability, making it suitable for powering processors, industrial controllers, communication modules, and embedded digital systems.
As an integrated switching regulator solution, TPS5430DDAR helps simplify power-supply design while improving conversion efficiency and reducing external component count. For engineers reviewing the TPS5430DDAR datasheet, TPS5430DDAR pinout, TPS5430DDAR application, or TPS5430DDAR equivalent, this device is widely used in industrial and embedded power-management architectures.
Technical Context
In power-management architectures, TPS5430DDAR typically functions as a step-down switching regulator converting higher DC input voltages into stable lower-voltage rails for processors, communication ICs, FPGAs, sensors, and embedded logic circuitry. The integrated switching MOSFET and current-mode PWM control architecture help maintain efficient voltage regulation across varying load conditions.
The device supports adjustable output voltage configuration and high switching efficiency, helping reduce heat generation compared with linear regulators. Integrated protection functions including thermal shutdown, undervoltage lockout, and cycle-by-cycle current limiting improve system reliability in industrial and embedded operating environments.
TPS5430DDAR is commonly used in industrial automation systems, embedded controller platforms, networking equipment, communication modules, distributed power systems, and DC-powered electronic equipment requiring reliable step-down voltage conversion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Regulator Type | Integrated step-down buck regulator architecture supporting efficient DC/DC power conversion applications. |
| Input Voltage Range | Wide input-voltage capability supports industrial DC bus systems and distributed power architectures. |
| Output Current | 3 A continuous output capability supports processors, embedded logic, and communication subsystem power rails. |
| Switching Frequency | Fixed-frequency PWM operation simplifies EMI filtering and stable power-supply design implementation. |
| Integrated MOSFET | Internal high-side switching MOSFET reduces external component count and simplifies PCB layout. |
| Protection Features | Integrated thermal shutdown and overcurrent protection improve system reliability and fault tolerance. |
| Package Type | SOIC package supports compact PCB integration for industrial and embedded power systems. |
Pinout & Package
The TPS5430DDAR pinout is provided in a thermally enhanced SOIC package optimized for switching power-supply PCB layouts. The device includes VIN input, switching node output, feedback control, enable control, compensation, bootstrap circuitry, and ground connections.
For PCB layout, input bypass capacitors should remain close to the VIN and ground pins to reduce switching noise and current-loop inductance. The switching-node copper area should be minimized to reduce EMI, while thermal copper areas and ground planes help improve heat dissipation and regulator stability.
| Pin / Function | PCB Design and Circuit Role |
|---|---|
| VIN | Main input supply connection supporting step-down DC/DC conversion operation. |
| PH / SW | Switching-node output connected to the external inductor in buck converter architectures. |
| BOOT | Bootstrap connection supporting internal high-side MOSFET gate-drive operation. |
| FB | Feedback input pin used for output-voltage regulation and compensation control. |
| ENA | Enable control input supporting power sequencing and regulator shutdown management. |
| COMP | Compensation pin supporting loop-stability optimization and transient-response tuning. |
| GND | Ground reference connection supporting stable switching-regulator operation. |
Key Features
- Integrated buck regulator architecture simplifies embedded DC/DC power-supply implementation.
- 3 A output capability supports processor, FPGA, communication, and industrial logic power rails.
- High-efficiency switching operation reduces thermal dissipation compared with linear regulators.
- Integrated protection features improve reliability in industrial and embedded electronic systems.
- Wide input-voltage operation supports distributed power and industrial DC bus applications.
- Thermally enhanced SOIC package supports compact power-management PCB layouts.
Applications
| Industrial Automation Systems | Embedded Processor Power Supplies |
|---|---|
|
Use Scenario: Used in PLC systems, factory automation equipment, and industrial embedded controllers. IC Role: TPS5430DDAR converts industrial DC input voltages into stable low-voltage power rails. Use Value: Helps improve power-conversion efficiency and embedded system reliability. |
Use Scenario: Used in MCU, FPGA, DSP, and embedded processor power-management systems. IC Role: Supplies regulated voltage rails for digital logic and processor subsystems. Use Value: Supports stable processor operation with efficient thermal performance. |
| Networking and Communication Equipment | Distributed Power Architectures |
|
Use Scenario: Used in routers, wireless communication modules, and networking infrastructure equipment. IC Role: Provides efficient local voltage regulation for communication processors and interfaces. Use Value: Helps improve communication system power efficiency and thermal stability. |
Use Scenario: Used in distributed power systems, embedded DC bus platforms, and multi-rail power architectures. IC Role: Performs localized high-efficiency step-down power conversion for subsystem regulation. Use Value: Supports scalable embedded power architecture implementation with reduced power loss. |
Equivalent & Alternatives
When evaluating a TPS5430DDAR equivalent, engineers should compare input-voltage range, output-current capability, switching frequency, thermal performance, package type, and efficiency characteristics.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM2596S-ADJ | LM2596S-ADJ provides similar buck-conversion functionality with lower switching frequency and different thermal characteristics. | Widely used in general-purpose industrial and consumer power-supply applications. | Choose TPS5430DDAR for higher switching efficiency and compact embedded power designs. |
| TPS54331DR | TPS54331DR offers lower output-current capability with newer-generation switching-regulator architecture. | Better suited for compact low-to-medium power embedded applications. | Choose TPS5430DDAR for applications requiring higher 3 A output capability and robust industrial power delivery. |
Compared with LM2596S-ADJ, TPS5430DDAR is optimized for higher-efficiency embedded switching power systems with compact PCB implementation. TPS5430DDAR vs TPS54331DR selection depends on output-current requirements, thermal constraints, and embedded power-system architecture.
Quality
TPS5430DDAR should be sourced as original Texas Instruments components through traceable and controlled supply channels. Quality verification procedures may include package inspection, marking validation, solderability testing, moisture sensitivity handling review, and electrical verification according to production requirements.
Because the device operates in switching power systems, ESD-safe handling, optimized PCB thermal layout, and controlled assembly processes help maintain long-term operational reliability. Traceable sourcing supports industrial and embedded power-management manufacturing quality.
Availability
TPS5430DDAR available at Aetrix Electronics and is suitable for industrial embedded power-conversion platforms requiring stable component availability and repeatable production support.
Supply support may include volume procurement planning, scheduled delivery arrangements, traceable sourcing management, and long-term supply support for OEM, industrial automation, communication infrastructure, and embedded electronics production programs.
For production builds, confirming package type, thermal requirements, lead time, and sourcing continuity helps improve procurement stability and reduce manufacturing interruption risk.
Manufacturer
Texas Instruments is a semiconductor manufacturer specializing in analog ICs, embedded processors, power-management devices, communication interfaces, and industrial semiconductor solutions for automotive, industrial, communication, and consumer electronic markets.
For power-management applications, Texas Instruments provides integrated DC/DC regulators, PMICs, analog control technologies, and high-efficiency switching architectures widely adopted across industrial automation and embedded computing platforms.
FAQ
What is TPS5430DDAR used for?
TPS5430DDAR is used for step-down DC/DC power conversion in industrial automation systems, embedded processors, communication equipment, distributed power architectures, and switching power supplies.
Where can I find the TPS5430DDAR datasheet download?
The TPS5430DDAR datasheet download is available from Texas Instruments. The datasheet includes electrical specifications, switching characteristics, thermal information, application circuits, and PCB layout recommendations.
What should be considered in TPS5430DDAR pinout design?
TPS5430DDAR pinout design should prioritize short switching-current loops, proper input decoupling placement, optimized thermal copper layout, minimized switching-node area, and stable feedback routing.
Does TPS5430DDAR support adjustable output voltage?
Yes. TPS5430DDAR supports adjustable output voltage configuration through an external resistor-divider feedback network.
What are common TPS5430DDAR equivalent solutions?
Common TPS5430DDAR equivalent alternatives include LM2596S-ADJ and TPS54331DR depending on output-current requirements, switching-frequency targets, efficiency goals, and embedded power-system architecture.
TPS5430DDAR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-PowerSOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 5.5V
- Voltage - Input (Max):
- 36V
- Voltage - Output (Min/Fixed):
- 1.221V
- Voltage - Output (Max):
- 32.04V
- Current - Output:
- 3A
- Frequency - Switching:
- 500kHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO PowerPad
TPS5430DDAR FAQ
1.How can I place an order for TPS5430DDAR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS5430DDAR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPS5430DDAR reliable?
The price and inventory of TPS5430DDAR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS5430DDAR is usually 5 days.
3.What payment methods are accepted for TPS5430DDAR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS5430DDAR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS5430DDAR?
TPS5430DDAR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS5430DDAR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPS5430DDAR?
For technical support, including TPS5430DDAR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS5430DDAR requirements.
6.How does Aetrix verify that TPS5430DDAR is sourced from the original manufacturer or authorized distributors?
All TPS5430DDAR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS5430DDAR meets industry standards.
7.What is the process for return or replacement of TPS5430DDAR?
All TPS5430DDAR units undergo pre-shipment inspection (PSI). If there is an issue with TPS5430DDAR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPS5430DDAR part is unused and in its original packaging.
Return procedure for TPS5430DDAR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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