TPS40400RHLR - Texas Instruments

Manufacturer Part Number

TPS40400RHLR

Manufacturer

Texas Instruments

Introduction

The TPS40400RHLR is a step-down (buck) switching controller designed for power management, particularly in DC DC conversion applications.

Product Features and Performance

Step-Down Switching Controller

Output Type: Transistor Driver

Output Configuration: Positive

Topology: Buck

One Output

Single Output Phase

Supports Voltage Supply from 3V to 20V

Switching Frequency: 200kHz to 2MHz

Maximum Duty Cycle of 90%

Features Synchronous Rectifier

Clock Synchronization Capability

Communication via PMBus

Integrated Control Features including Power Good and Tracking

Product Advantages

High Efficiency and Flexibility in Output Voltage Regulation

Wide Input Voltage Range

High Switching Frequency Range allows for smaller components

Synchronous Rectification for Improved Efficiency

Adaptive Control set through PMBus for Enhanced Functionality

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 3V ~ 20V

Frequency Switching: 200kHz ~ 2MHz

Duty Cycle (Max): 90%

Quality and Safety Features

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

Over Temperature Protection ensures safe operation under extreme conditions

Compatibility

Suitable for Surface Mount Technology

Packaged in a 24-VFQFN Exposed Pad for standard mounting processes

Application Areas

Ideal for use in telecommunications, consumer electronics, and industrial systems for effective power management and conversion tasks

Product Lifecycle

Current Status: Active

Continually supported with no current plans for discontinuation

Replacements and upgrades available for future advancements

Several Key Reasons to Choose This Product

High Flexibility and Compatibility with Various Applications due to Wide Input Voltage and High Frequency Range

Increased Power Efficiency and Reliability with Synchronous Rectification and Clock Synchronization

Compact and Robust Design suitable for automated SMT processes

Enhanced Power Management with Integrated PMBus Interface for Easy Adaptation and Control

Operates Safely even in Extreme Temperature Environments