LM5140QRWGRQ1 - Texas Instruments

Manufacturer Part Number

LM5140QRWGRQ1

Manufacturer

Texas Instruments

Introduction

Automotive Grade DC DC Switching Controller for efficient power conversion

Product Features and Performance

Dual-channel synchronous buck controller

Operates from 3.8V to 65V supply voltage

Selectable switching frequency of 440kHz or 2.2MHz

Supports step-down (buck) topology

Capable of driving external N-channel MOSFETs

Integrated high-side and low-side gate drivers

Current limit, enable, frequency control, and soft-start functionalities

Thermal performance suitable for high temperature environments

Product Advantages

Highly integrated solution reduces component count

Wide input voltage range accommodates various supply levels

Programmable switching frequency for design flexibility

Synchronous rectification for improved efficiency

Advanced packaging design for enhanced thermal dissipation

Automotive grade quality for robust operation

Key Technical Parameters

Number of Outputs: 2

Output Phases: 1

Voltage Supply (Vcc/Vdd): 3.8V ~ 65V

Frequency - Switching: 440kHz, 2.2MHz

Synchronous Rectifier: Yes

Clock Synchronization: Yes

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

Quality and Safety Features

AEC-Q100 qualified for automotive applications

Overtemperature and overcurrent protection

Wettable flanks for easy inspection of solder joints

Compatibility

Compatible with surface-mount technology (SMT)

Suitable for N-channel MOSFET-based power stage designs

Application Areas

Automotive power systems

Power supplies for infotainment and telematics

Industrial and telecommunications equipment

Product Lifecycle

Active product with ongoing manufacturer support

Reasons to Choose This Product

Wide input voltage range for diverse applications

Dual output for multipurpose use

High switching frequency options for optimization of size vs. performance

Automotive-grade reliability

Integrated features minimize external components and simplify design

Proven Texas Instruments quality and performance

Thermal resilience suitable for harsh environments

Advanced packaging technology for robust assembly and inspection

High levels of integration and functionality provide cost efficiency

Manufacturer support and documentation available