TPS54240DGQ

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TPS54240DGQ

IC REG BCK SPLIT RAIL ADJ 10MSOP

  • Manufacturer
  • Mfr. Part #TPS54240DGQ
  • Package HVSSOP-10
  • Datasheet
  • In Stock5361

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Specifications

Package Bulk,Tube
Series SWIFT™, Eco-Mode™
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck, Split Rail
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 3.5V
Voltage-Input(Max) 42V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 39V
Current-Output 2.5A
Frequency-Switching 100kHz ~ 2.5MHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 10-PowerTFSOP, 10-MSOP (0.118, 3.00mm Width)

Overview

Description

The TPS54240DGQ is a high-efficiency step-down (buck) voltage regulator from Texas Instruments, designed for applications requiring a compact power solution. This device integrates a 2.5 A, 42 V, high-side MOSFET and is capable of delivering up to 2.5 A of continuous output current across a wide input voltage range of 3.5 V to 42 V, making it suitable for battery-powered and industrial applications.
Key features include a fixed frequency of 100 kHz to 2.5 MHz, which allows for smaller external components and reduced board space. It also supports adjustable output voltage settings down to 0.8 V. The TPS54240DGQ incorporates internal loop compensation and features such as an enable pin, internal slow start, and over-current protection to enhance system reliability. Thermal shutdown protection is also included to prevent damage under fault conditions.
The device is offered in an 8-pin MSOP-PowerPad package, providing a balance between thermal performance and size. Its compact design, wide input range, and robust feature set make it suitable for powering a variety of electronic systems, including consumer electronics, automotive, and communications equipment.

Features

The TPS54240DGQ is a step-down (buck) DC-DC converter from Texas Instruments. Key features include:
1. Wide Input Voltage Range: It supports an input voltage range from 3.5 V to 42 V, making it versatile for various applications.

2. Output Current: Delivers up to 2.5 A of continuous output current.
3. High Efficiency: Operates with high efficiency, often exceeding 90%, thanks to its 110-mΩ high-side MOSFET.
4. Adjustable Switching Frequency: The switching frequency is adjustable from 50 kHz to 2.5 MHz, allowing for flexibility in design optimization.
5. Low Dropout: Features a low dropout voltage, enhancing performance in low-input voltage applications.
6. Soft Start Feature: Includes an adjustable soft-start function to limit inrush current, providing stable power ramp-up.
7. Current Mode Control: Utilizes current-mode control for simple loop compensation and fast transient response.
8. Protection Features: Offers built-in protection mechanisms like overcurrent protection, thermal shutdown, and undervoltage lockout.
9. Small Package: Available in a compact 10-pin MSOP-PowerPAD package, saving space on PCBs.
These features make the TPS54240DGQ suitable for industrial, automotive, and consumer electronics applications.

Package

The TPS54240DGQ is a step-down (buck) DC-DC converter from Texas Instruments. It comes in an 8-pin HVSSOP (DGQ) PowerPAD package, which offers enhanced thermal performance due to its exposed pad for heat dissipation.

Pinout

The TPS54240DGQ is a 10-pin integrated circuit. It is a high-efficiency synchronous buck converter capable of driving a 2.5A load with excellent line and load regulation. The device operates from a 3.5V to 42V input voltage range and is ideal for applications such as distributed power systems, battery-powered equipment, and industrial applications.
The pins and their functions are as follows:
1. BOOT: Bootstrap capacitor connection for driving the high-side FET.
2. VIN: Input voltage supply pin.
3. EN: Enable pin to turn the device on or off.
4. RT/CLK: Internal oscillator frequency set or synchronization to external clock.
5. SYNC: Synchronization input.
6. GND: Ground reference.
7. VSENSE: Feedback pin for output voltage regulation.
8. COMP: Compensation pin for external loop compensation.
9. SW: Switch node, connected to the inductor.
10. PWRGD: Power good open-drain output.
This configuration allows the TPS54240DGQ to effectively convert a higher voltage to a lower one with controlled voltage output, suitable for various power management applications.

Manufacturer

The TPS54240DGQ is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits for various applications. They are known for producing a wide range of electronic components, including analog chips, digital signal processors, and microcontrollers, serving industries such as automotive, industrial, personal electronics, and communications.

Application

The TPS54240DGQ is a DC-DC buck converter commonly used in applications requiring efficient power management. Its typical applications include powering microcontrollers, FPGAs, DSPs, or other digital circuits in consumer electronics, industrial automation, automotive systems, and telecommunications. Additionally, it can be used in distributed power systems, battery-powered devices, and point-of-load power supplies due to its ability to deliver stable output voltage and high efficiency over a wide input voltage range.

Equivalent

The TPS54240DGQ is a Step-Down DC-DC Converter from Texas Instruments. Equivalent products may include:
1. LM2596 by Texas Instruments
2. LM2678 by Texas Instruments
3. LMR33630 by Texas Instruments
4. LT1933 by Analog Devices
5. MP1584 by Monolithic Power Systems
These alternatives may have differences in specifications, so always verify compatibility with your specific requirements.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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