TPS54540BQDDARQ1 - Texas Instruments

Manufacturer Part Number

TPS54540BQDDARQ1

Manufacturer

Texas Instruments

Introduction

The TPS54540BQDDARQ1 is a step-down (buck) regulator from Texas Instruments, designed to operate from an input voltage of 4.5V to 42V. It is part of the Eco-Mode™ series and features an adjustable output.

Product Features and Performance

Step-down (buck) topology with split rail output

Adjustable output voltage ranging from 0.8V to 41.1V

Maximum output current of 5A

Switching frequency adjustable from 100kHz to 2.5MHz

Operates over a termperature range of -40°C to 125°C

Product Advantages

High input voltage range accommodates a variety of sources

Flexible output voltage adjustment suits multiple applications

Integrated over temperature and over current protection enhances safety

Eco-Mode™ operation improves efficiency at light loads

Key Technical Parameters

Input Voltage: 4.5V to 42V

Output Voltage: 0.8V to 41.1V (Adjustable)

Output Current: 5A

Switching Frequency: 100kHz to 2.5MHz

Quality and Safety Features

Protection against over-temperature and over-current conditions

Automotive grade product, AEC-Q100 qualified

Compatibility

Compatible with surface mount technology for easier board assembly

Application Areas

Automotive applications

Industrial power systems

Telecommunications equipment

Product Lifecycle

The product is currently active and not nearing discontinuation. Availability of replacements or upgrades would depend on future product development.

Several Key Reasons to Choose This Product

Wide input and output voltage ranges provide flexibility in various application designs

High efficiency operation reduces power loss and heat generation

Robust safety features ensure reliability in critical applications

Eco-Mode™ feature enhances efficiency at low loads, saving energy

Automotive qualification indicates high reliability and performance standards