TPS54240DGQ

Name: TPS54240DGQ
Brand: Texas Instruments
Rating: 4.5 (10 reviews)
Author: Lisleapex

Step-down converter with 2.5A output

5,433 Effective Inventory

TPS54240DGQ

Effective Inventory5,433

Step-down converter with 2.5A output

Manufacturer Part # : TPS54240DGQ
Package/Case: HVSSOP-10
Part Status : ACTIVE
Brand: Texas Instruments
Product Categories : Voltage Regulators , DC DC Switching Regulators
Series : TPS54240

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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

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About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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Maintain the goods in their original condition as received.

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TPS54240DGQ DataSheet

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

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TPS54240DGQ Details

The TPS54240DGQ is a synchronous buck converter from Texas Instruments, designed for efficient power conversion in various applications. This device features an input voltage range of 3.5V to 42V and an output voltage range of 0.76V to 14V, making it suitable for powering a wide range of devices. It has a wide operating temperature range of -40°C to 125°C, high efficiency at full load, adjustable soft-start capability, short-circuit protection, and thermal shutdown protection.

Key Features

Wide Input Voltage Range: Operates with an input voltage range of 3.5V to 42V.
Adjustable Soft-Start Capability: Allows for adjustable soft-start capability for reduced inrush current and improved system stability.
Short-Circuit Protection: Provides short-circuit protection to prevent damage to the device or connected loads.
Thermal Shutdown Protection: Features thermal shutdown protection to prevent overheating and ensure safe operation.

Applications

Power Supplies for Industrial Equipment: Suitable for powering industrial equipment, such as machinery, automation systems, and manufacturing facilities.
Power Supplies for Telecommunications Equipment: Ideal for powering telecommunications equipment, including routers, switches, and servers.
Power Supplies for Networking Equipment: Suitable for powering networking equipment, including hubs, bridges, and routers.
Power Supplies for Consumer Electronics: Can be used to power a wide range of consumer electronics, including TVs, computers, and gaming consoles.

Where to Use

The TPS54240DGQ is suitable for use in various applications where efficient power conversion is required. This includes:

Industrial equipment, such as machinery and automation systems.
Telecommunications equipment, including routers, switches, and servers.
Networking equipment, including hubs, bridges, and routers.
Consumer electronics, including TVs, computers, and gaming consoles.

How to Use

To use the TPS54240DGQ, follow these steps:

Connect the input voltage to the device's VIN pin.
Connect the output voltage to the device's VOUT pin.
Configure the device's soft-start and thermal shutdown protection as needed.
Ensure proper heat sinking and cooling for the device, especially in high-power applications.

Application Circuit

The application circuit diagram for the TPS54240DGQ illustrates how to connect the device to an input voltage source and output load. It includes connections for power supply, ground, and communication bus lines, ensuring proper operation and reliable data transmission.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Complementary

The TPS54240DGQ can be complemented by other Texas Instruments devices, such as the TPS54320, which offers similar features and performance but with higher power handling capabilities.

When selecting complementary devices, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum input voltage supported by the TPS54240DGQ?

A: The TPS54240DGQ supports an input voltage range of 3.5V to 42V.

Q: Can the TPS54240DGQ be used in automotive applications?

A: Yes, the TPS54240DGQ is suitable for use in automotive applications where high efficiency and reliability are required.

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)	2.5	Iq (typ) (mA)	0.138
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 TPS54240DGQ PDF Download

FAQs

What is TPS54240DGQ?

The TPS54240DGQ is a synchronous step-down DC-DC converter designed by Texas Instruments. It is ideal for applications requiring efficient power conversion with high voltage input capability, such as industrial control systems, automotive electronics, and battery-powered devices.

How Does TPS54240DGQ Work?

The TPS54240DGQ operates by converting a higher input voltage to a lower regulated output voltage with high efficiency. It utilizes a synchronous buck topology to step down the voltage and regulate the output. The converter features pulse-width modulation (PWM) control for precise voltage regulation and current limiting for overload protection.

How Many Pins does TPS54240DGQ have and What are the Functions of the Pinout Configuration?

The TPS54240DGQ is housed in a 10-pin MSOP (Mini Small Outline Package) package. The pinout configuration includes:

SW: Switching node for the power stage.
FB: Feedback pin for output voltage regulation.
EN: Enable pin for controlling the converter operation.
PGND: Power ground pin.
PH: Phase compensation pin.
VFB: Internal feedback voltage pin.
VSENSE: Current sensing pin.
COMP: External compensation pin.
DRV: Gate driver pin for the MOSFET.
VOUT: Regulated output voltage.

What are the Pros and Cons of TPS54240DGQ?

Pros:

High Efficiency: Provides efficient power conversion, reducing power losses.
Wide Input Voltage Range: Suitable for applications with varying input voltage levels.
Current Limiting: Offers overload protection with current limiting capability.
Compact Package: 10-pin MSOP package is compact and space-efficient.
Adjustable Output Voltage: Allows for flexibility in output voltage selection.

Cons:

External Components: May require additional external components for specific application requirements.
Complexity: Synchronous buck converters like the TPS54240DGQ may require careful design considerations for optimal performance.
Heat Dissipation: High-efficiency converters may generate some heat under heavy load conditions.

Are There Any Equivalents/Alternatives to TPS54240DGQ for Recommendation?

The LM2675 from Texas Instruments is a similar synchronous step-down converter with slightly different features.
Alternatives to the TPS54240DGQ include the MP2307 from Monolithic Power Systems and the LT1370 from Analog Devices.