TPS54140ADGQ

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Convert DC-DC voltage regulator

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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TPS54140ADGQ DataSheet

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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

Rapid Quote

Please submit RFQ for TPS54140ADGQ or email to us: Email: [email protected], we will contact you in 12 hours.

Details

The TPS54140A device is a highly versatile step-down regulator that offers a wide range of features to optimize performance in various applications. With a maximum input voltage of 42V and a continuous output current of 1.5A, this regulator is capable of handling a range of power requirements. The integrated high-side MOSFET simplifies the design process, while current-mode control allows for easy external compensation and component selection flexibility

Key Features

  • Precision UV and OV Power Good Indication
  • Compact Footprint with MSOP10 VSON-10
  • Suitable for High Frequency DC-DC Conversion
  • Eco-mode Enables High Efficiency at Light Loads
  • Fully Supported by WEBENCH and SwitcherPro Tools

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Vin (min) (V) 3.5 Vin (max) (V) 42
Vout (min) (V) 0.8 Vout (max) (V) 39
Iout (max) (A) 1.5 Iq (typ) (mA) 0.116
Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 2500
Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Tracking, UVLO adjustable Operating temperature range (°C) -40 to 125
Rating Catalog Regulated outputs (#) 1
Control mode current mode Duty cycle (max) (%) 98
Type Converter

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification TPS54140ADGQ PDF Download

FAQs

What is TPS54140ADGQ?

The TPS54140ADGQ is a synchronous step-down DC-DC converter integrated circuit designed by Texas Instruments. It is suitable for various power management applications that require high efficiency and compact size, such as industrial equipment, automotive electronics, and telecommunications systems.

How Does TPS54140ADGQ Work?

The TPS54140ADGQ works by efficiently reducing a higher input voltage to a lower output voltage through a synchronous buck converter topology. It switches the input voltage at a high frequency, regulating the output voltage with high efficiency. The IC features integrated FETs for the switching elements, enhancing its power conversion capabilities.

How Many Pins does TPS54140ADGQ have and What are the Functions of the Pinout Configuration?

The TPS54140ADGQ is housed in a 10-pin VSSOP (Very Small Outline Package) package. The pinout configuration includes:

  • VIN: Input voltage pin.
  • BST: Bootstrap capacitor pin for high-side gate driver.
  • SW: Switch node connection for the power stage.
  • PGND: Power ground connection.
  • AGND: Analog ground connection.
  • FB: Feedback voltage pin.
  • EN: Enable pin for turning the converter on and off.
  • SS/TR: Soft-start or tracking pin for startup control.
  • COMP: Compensation pin for loop stability.
  • PGOOD: Power-good indicator output pin.

What are the Pros and Cons of TPS54140ADGQ?

Pros:

  • High Efficiency: Provides efficient power conversion, reducing heat dissipation.
  • Compact Size: Small package and integrated FETs make it suitable for space-constrained applications.
  • Wide Input Voltage Range: Supports a broad range of input voltages for versatility.
  • Integrated Protection Features: Includes overcurrent and thermal shutdown protection for reliability.
  • Adjustable Output Voltage: Allows for flexibility in setting the desired output voltage.

Cons:

  • External Components: May require additional passive components for specific application requirements.
  • Noise Sensitivity: High-frequency switching may introduce noise that requires careful design consideration.
  • Complex Control: Proper design and layout are essential for optimal performance and stability.

Are There Any Equivalents/Alternatives to TPS54140ADGQ for Recommendation?

  • The TPS54340 from Texas Instruments is a similar synchronous step-down converter with a slightly different feature set.
  • Alternatives to the TPS54140ADGQ include the LT8610 from Analog Devices and the MP2315 from Monolithic Power Systems.

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