LM5123QRGRRQ1 - Texas Instruments

Manufacturer Part Number

LM5123QRGRRQ1

Manufacturer

Texas Instruments

Introduction

LM5123QRGRRQ1 is a high-performance DC DC switching controller designed for power management and specifically engineered for automotive applications. It efficiently generates a positive output through a step-up topology.

Product Features and Performance

Step-up (Boost) topology for efficient voltage increase

Supports a wide voltage supply range from 3.8V to 42V

High frequency switching capability ranging from 100kHz to 2.2MHz

Maximum duty cycle of up to 94%

Incorporates synchronous rectification for improved efficiency

Features clock synchronization for better system integration

Enhanced control features including Dead Time Control, Enable, Power Good, Soft Start, Sync, and Tracking

Operates under extreme temperatures from -40°C to 150°C (TJ)

Product Advantages

Wide input voltage range facilitates versatility in various applications

High-frequency operation allows for smaller external components, reducing overall footprint

High-efficiency operation due to synchronous rectification and optimal duty cycle

Robust thermal management facilitated by operation across a wide temperature range

Reliable performance in automotive applications, courtesy of AEC-Q100 qualification

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 3.8V ~ 42V

Frequency Switching: 100kHz ~ 2.2MHz

Duty Cycle (Max): 94%

Output Phases: 1

Grade: Automotive

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

Quality and Safety Features

AEC-Q100 qualified for automotive quality reliability

Built-in safety features including over-temperature protection

Compatibility

Compatible with various automotive applications owing to its voltage supply range and operating temperature

Versatile mounting facilitated by surface mount technology

Application Areas

Automotive power systems

Portable and battery-operated electronics

Industrial power supplies

Telecommunications equipment

Product Lifecycle

Status: Active

The product is currently active and not nearing discontinuation, ensuring long-term availability and support.

Several Key Reasons to Choose This Product

High efficiency and performance backed by Texas Instruments' reputation

Flexible operating conditions suited to a wide range of applications

Automotive qualification confirms its reliability and durability in demanding conditions

High switching frequency allows for compact power supply designs

Advanced control features enhance performance flexibility and integration into more complex systems