LM5642MTCX - Texas Instruments

Manufacturer Part Number

LM5642MTCX

Manufacturer

Texas Instruments

Introduction

The LM5642MTCX is a high-performance Power Management Integrated Circuit (PMIC) specifically designed for DC DC switching control applications, employing a step-down (buck) topology.

Product Features and Performance

Dual-output, synchronizable step-down switching controller

Supports input voltages from 4.5V to 36V

High switching frequency of 200kHz

Maximum duty cycle of 98.9%, enhancing efficiency

Incorporates synchronous rectification for better power efficiency

Features clock synchronization

Includes current limit, enable, and soft start control features

Operates reliably in a temperature range of -40°C to 125°C

Product Advantages

Flexibility in handling wide input voltage range

High efficiency due to synchronous rectification and high duty cycle

Enhanced system reliability through advanced control features

Suitable for high-temperature environments

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Configuration: Positive

Topology: Buck

Numbers of Outputs: 2

Output Phases: 2

Voltage Supply (Vcc/Vdd): 4.5V ~ 36V

Frequency Switching: 200kHz

Duty Cycle (Max): 98.9%

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Rigorous testing and qualification processes ensure reliability and safety in operation.

Built to meet high standards of quality, ensuring long service life and performance consistency.

Compatibility

Tailored for surface mount technology, compatible with various circuit board layouts

Designed for easy integration into existing power management systems

Application Areas

Industrial equipment

Telecom and networking infrastructure

Automotive electronics

Energy management systems

Product Lifecycle

Product Status: Last Time Buy

Indicates nearing end of life, with guidance towards replacements or upgrades for long-term planning

Several Key Reasons to Choose This Product

High input voltage range and efficiency are ideal for diverse power systems.

Dual output and synchronization capability simplify complex power supply designs.

Advanced features like synchronous rectification and soft start enhance performance and reliability.

The manufacturer, Texas Instruments, is a leader in semiconductor and PMIC technologies, ensuring cutting-edge features and quality.

Given its Last Time Buy status, it presents a timely opportunity to secure parts for future maintenance or final production runs.