TPS40422RHAR - Texas Instruments

Manufacturer Part Number

TPS40422RHAR

Manufacturer

Texas Instruments

Introduction

The TPS40422RHAR is a high-performance, dual-output, step-down (buck) switching controller. It is specifically designed for power management applications requiring efficient power conversion.

Product Features and Performance

Dual-output, step-down switching controller

Supports synchronous rectification for improved efficiency

Capable of operating at frequencies between 100kHz and 1MHz

Features PMBus serial interfaces for enhanced control and monitoring

Incorporates frequency control and power good signal for better system stability and reliability

Designed for a wide input voltage range from 4.5V up to 20V

Efficient power conversion topology (Buck) suitable for positive output configurations

Clock synchronization feature for system noise reduction

Product Advantages

Enhanced power efficiency due to synchronous rectification

Flexible control options with PMBus interface and frequency control

Supports complex multi-phase power supply designs with dual outputs and two phases

Wide operating temperature range (-40°C to 125°C) suitable for harsh environments

High integration level reduces external component count and system footprint

Key Technical Parameters

Number of Outputs: 2

Output Phases: 2

Voltage Supply (Vcc/Vdd): 4.5V ~ 20V

Frequency Switching: 100kHz ~ 1MHz

Topology: Buck

Serial Interfaces: PMBus

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

Quality and Safety Features

Built to high-quality standards of Texas Instruments

Robust thermal management with exposed pad packaging

Safety features integrated for over-voltage, under-voltage, over-current protection

Compatibility

Compatible with a wide range of microcontrollers for PMBus communication

Flexible for use in various power supply architectures due to adjustable frequency and phase add-on capability

Application Areas

Computing systems

Servers and networking equipment

Telecommunication infrastructure

Industrial and automation systems

Product Lifecycle

Status: Active

Not nearing discontinuation, with strong manufacturer support for future upgrades and replacements

Several Key Reasons to Choose This Product

Highly efficient power conversion reduces system power losses

Dual-channel output provides flexibility in managing multiple power rails

High system reliability supported by comprehensive control features and robust safety protections

Extensive support from Texas Instruments, including design tools and technical documentation

Ideal for demanding applications requiring low power consumption, compact design, and high reliability