TPS57140QDGQRQ1 - Texas Instruments

Manufacturer Part Number

TPS57140QDGQRQ1

Manufacturer

Texas Instruments

Introduction

Automotive-grade step-down regulator for power-efficient voltage conversion

Product Features and Performance

Step-down (buck) topology for efficient down-conversion

Adjustable output voltage from 0.8V to 39V

Capable of supplying up to 1.5A of output current

Wide input voltage range from 3.5V to 42V

Programmable switching frequency from 100kHz to 2.5MHz

Features Eco-Mode for light-load efficiency

Can operate at high temperatures up to 150°C

Not equipped with a synchronous rectifier

Product Advantages

High level of integration to save board space

Designed for automotive applications meeting rigorous quality standards

Enhanced thermal performance for reliability in harsh environments

Wide input voltage range suitable for various automotive battery voltages

Programmable frequency allows optimization between efficiency and external component size

Key Technical Parameters

Number of Outputs: 1

Voltage Input (Min): 3.5V

Voltage Input (Max): 42V

Voltage Output (Min/Fixed): 0.8V

Voltage Output (Max): 39V

Current Output: 1.5A

Frequency Switching: 100kHz ~ 2.5MHz

Grade: Automotive

Operating Temperature: -40°C ~ 150°C

Quality and Safety Features

AEC-Q100 qualified

Built-in thermal shutdown

Overcurrent protection

Cycle-by-cycle current limit

Compatibility

Surface mount package compatible with standard PCB manufacturing processes

Supports a wide range of external inductors and capacitors for design flexibility

Application Areas

Automotive electronics

Power supplies for sensors, microcontrollers, and digital systems

Infotainment and telematics

Aftermarket automotive accessories

Product Lifecycle

Status: Active

Not nearing discontinuation

Replacements or upgrades can be sourced from Texas Instruments' broad product portfolio

Several Key Reasons to Choose This Product

Texas Instruments' reputation for robust and high-quality automotive products

Broad input voltage range meets the needs of various electrical systems in vehicles

The product remains actively supported and supplied by Texas Instruments

Eco-Mode switching feature promotes energy efficiency for green design considerations

Extensive technical support and design resources available from the manufacturer