TPS40428RHAT - Texas Instruments

Manufacturer Part Number

TPS40428RHAT

Manufacturer

Texas Instruments

Introduction

The TPS40428RHAT is a dual-output, synchronous step-down controller.

Product Features and Performance

Dual-Channel Synchronous Buck Controller

Adjustable Switching Frequency from 200kHz to 1.5MHz

Supports Power Management Bus (PMBus) Interface

Frequency Synchronization Capability

Power Good Indication

Phase Control for Enhanced Performance

Product Advantages

High-Efficiency Power Conversion

Enhanced System Performance with Dual Outputs

Flexible Frequency Programming for Various Applications

Advanced Control Features via PMBus

Robust Thermal Performance

Key Technical Parameters

Voltage Supply Range: 4.5V to 20V

Number of Outputs: 2

Output Phases: 2

Switching Frequency Range: 200kHz to 1.5MHz

Operating Temperature Range: -40°C to 125°C

Package: 40-VFQFN Exposed Pad

Quality and Safety Features

Built-in Over Temperature Protection

Overvoltage and Undervoltage Lockout

Precision Reference Voltage for Regulation

Compatibility

Suited for Systems Requiring PMBus Communication

Compatible with Various Input Voltages (4.5V to 20V)

Application Areas

Servers and Networking Equipment

Telecom and Datacom Systems

Industrial Power Supplies

Computing and Storage Systems

Product Lifecycle

Status: Active

Not Nearing Discontinuation

Replacements or Upgrades are Likely Available

Several Key Reasons to Choose This Product

Efficient Power Management for High-Performance Systems

Dual-Channel Output for Complex Power Supply Designs

Programmable Frequency for Design Flexibility

Advanced Power Management Interface with PMBus

Suitable for Harsh Industrial Environments with Wide Temperature Range

Future-Proof with Active Lifecycle Status