LM5127QRGZRQ1 - Texas Instruments

Manufacturer Part Number

LM5127QRGZRQ1

Manufacturer

Texas Instruments

Introduction

The LM5127QRGZRQ1 is a versatile power management integrated circuit from Texas Instruments, designed for DC-DC conversion in a variety of applications.

Product Features and Performance

Multi-mode capability (step-up, step-down, and SEPIC)

Support for multiple topologies including buck and boost

Three available output channels

Single-phase output

Supports supply voltages from 0.8V to 42V

Adjustable switching frequency from 100kHz to 2.2MHz

Maximum duty cycle of 94%

Absence of synchronous rectifier

Clock synchronization option

Features current limit, enable, frequency control, and soft start

High operating temperature range from -40°C to 150°C (TJ)

Product Advantages

Highly configurable for various circuit designs

Efficient power conversion for batteries and wide input ranges

Optimized for thermally challenging environments

Can synchronize to an external clock source to improve noise performance

Key Technical Parameters

Output Type: Transistor Driver

Topology: Buck, Boost, SEPIC

Number of Outputs: 3

Voltage - Supply (Vcc/Vdd): 0.8V to 42V

Frequency - Switching: 100kHz to 2.2MHz

Duty Cycle (Max): 94%

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

Quality and Safety Features

Built-in soft start function for safe power up

Current limit for protection against overload and short-circuit conditions

High-temperature operational capability indicates reliability in demanding environments

Compatibility

Surface mount compatible, adhering to standard reflow soldering processes

Wettable flanks for easy inspection

Universal footprint for VFQFN exposed pad integration

Can be used in many buck/boost converter configurations

Application Areas

Automotive power systems

Industrial power supplies

Portable and battery-powered electronics

Telecommunications infrastructure

Product Lifecycle

Active status indicating ongoing production and support

Standard product with continuous availability

No immediate indication of discontinuation

Availability of replacements or upgrades should be confirmed directly with Texas Instruments

Several Key Reasons to Choose This Product

Flexible voltage and switching frequency ranges accommodate different power source specifications

High efficiency and power density due to optimal design and topologies

Enhanced thermal performance suitable for rugged and automotive applications

Ease of integration with surface mount technology and standard package

Longevity and reliability as part of Texas Instruments' commitment to quality

Ecosystem of support and resources provided by Texas Instruments