TPS57040QDGQRQ1 - Texas Instruments

Manufacturer Part Number

TPS57040QDGQRQ1

Manufacturer

Texas Instruments

Introduction

Automotive 42V, 500-mA, step-down DC-DC converter in small package

Product Features and Performance

Step-Down (Buck) regulator topology

Positive adjustable output

One output channel

Supports input voltage range from 3.5V to 42V

Adjustable output voltage from 0.8V to 39V

Maximum output current of 500mA

Switching frequency range from 100kHz to 2.5MHz

Thermal shutdown and over-current protection

Designed for high reliability and ruggedness

Exposed pad for excellent thermal performance

Operates at temperatures from -40°C to 150°C

Product Advantages

High-efficiency Eco-Mode™ operation

Small PowerTFSOP (MSOP) package saves PCB space

Suitable for automotive applications (AEC-Q100 qualified)

Robust design to withstand harsh environments

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

AEC-Q100 certification for automotive applications

Over-temperature and over-current protection

Designed to meet stringent automotive quality standards

Compatibility

Interfaces with various microcontrollers and processors

Compatible with a variety of inductors and capacitors allowing flexible designs

Surface mount compatible with PowerTFSOP/MSOP footprint

Application Areas

Automotive electronics

Power supply modules

Telematics and infotainment systems

Body control modules

Product Lifecycle

Product status: Active

Long-term availability for automotive and industrial markets

Several Key Reasons to Choose This Product

High reliability suited for automotive applications

Eco-Mode™ delivers high efficiency at light loads

Wide input voltage range supports multi-standard operations

Small footprint for space-scarce applications

Compliant with AEC-Q100 standards for automotive quality

Versatile switching frequency for flexible design

Extended operating temperature ideal for harsh environments