TPS40422RHAT - Texas Instruments

Manufacturer Part Number

TPS40422RHAT

Manufacturer

Texas Instruments

Introduction

The TPS40422RHAT is a step-down, or buck, controller designed for power management applications. It operates with two outputs and supports synchronous rectification for improved efficiency.

Product Features and Performance

Dual outputs for versatile power management

Supports step-down (buck) conversion

Synchronous rectification enhances efficiency

Frequency control for adjustable switching frequency from 100kHz to 1MHz

Features Power Good signal for reliable operation

PMBus serial interface for programmable control

Compatible with a supply voltage range of 4.5V to 20V

Operates effectively in temperatures ranging from -40°C to 125°C

Surface mount 40-VFQFN exposed pad package for compact integration

Product Advantages

High efficiency due to synchronous rectifier technology

Flexible control options with PMBus interface and frequency control

Reliable performance in a wide range of operating conditions

Compact design for space-sensitive applications

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Output Configuration: Positive

Topology: Buck

Number of Outputs: 2

Output Phases: 2

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

Frequency Switching: 100kHz ~ 1MHz

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

Quality and Safety Features

Built-in clock synchronization

Temperature range ensures stability under various environmental conditions

Compatibility

Compatible with PCBs designed for surface mount technology

PMBus interface supports easy integration with digital systems

Application Areas

Telecommunications

Computing systems

Industrial power supplies

Networking equipment

Product Lifecycle

Product Status: Active

Continuously supported with no near-term discontinuation anticipated

Several Key Reasons to Choose This Product

Enhanced power efficiency and reliability through synchronous rectification

Programmable PMBus interface offers customization to meet specific system needs

Broad voltage supply range and robust temperature tolerance cater to diverse operating scenarios

Compact 40-VFQFN package facilitates easy integration into space-constrained applications.