TPS54040DGQR - Texas Instruments

Manufacturer Part Number

TPS54040DGQR

Manufacturer

Texas Instruments

Introduction

The TPS54040DGQR is a step-down (buck) regulator from Texas Instruments, designed for applications requiring efficient power management. It is part of the Eco-Mode™ series, focusing on high efficiency through various load conditions.

Product Features and Performance

Step-down (Buck) output configuration

Adjustable output voltage ranging from 0.8V to 39V

Capable of driving 500mA load current

Wide input voltage range: 3.5V to 42V

Frequency switching from 100kHz to 2.5MHz, enabling flexibility in choosing external components

Operates in Eco-Mode™ for improved efficiency at light loads

Supports external synchronization

High operating temperature range: -40°C to 150°C

No synchronous rectifier

Product Advantages

High efficiency and flexibility in voltage regulation for battery-powered devices

Suitable for a broad range of input voltages, enhancing applicability

The adjustable switching frequency allows optimization of inductor size and efficiency

Eco-Mode™ operation minimizes quiescent current, extending battery life

Thermal shutdown and overcurrent protection enhance device reliability and longevity

Key Technical Parameters

Voltage Input (Min): 3.5V

Voltage Input (Max): 42V

Voltage Output (Min/Fixed): 0.8V

Voltage Output (Max): 39V

Current Output: 500mA

Frequency Switching: 100kHz ~ 2.5MHz

Operating Temperature: -40°C ~ 150°C (TJ)

Quality and Safety Features

Overcurrent protection

Thermal shutdown mechanism

Cycle-by-cycle current limit

Compatibility

Compatible with a wide range of input voltages

Flexible for multiple applications due to adjustable output voltage

Suitable for various industrial, commercial, and battery-powered devices

Application Areas

Power supply regulation for embedded systems

Battery-powered devices

Industrial and automotive power systems

Distributed power systems

Portable electronics

Product Lifecycle

Status: Active

No current indication of discontinuation, ensuring long-term availability and support

Replacements or upgrades should be available, given the active status and commitment of Texas Instruments to product longevity

Several Key Reasons to Choose This Product

High efficiency reduces energy consumption and heat generation

Flexible power management suitable for a wide range of applications

Texas Instruments' reputation for reliability and quality assurance

Extensive technical support and documentation available

Eco-Mode™ reduces quiescent current, extending battery life in portable devices