TPS40428RHAR - Texas Instruments

Manufacturer Part Number

TPS40428RHAR

Manufacturer

Texas Instruments

Introduction

The TPS40428RHAR is a high-performance, dual-output step-down switching controller designed for power management, specifically in DC DC switching controllers category.

Product Features and Performance

PWM Signal output type ensures precise control over power delivery.

Designed for step-down (buck) conversion to achieve efficient voltage regulation.

Features two outputs and supports 2-phase operation for improved efficiency and thermal management.

Wide input voltage range from 4.5V to 20V, accommodating a variety of power sources.

Operating frequency is adjustable between 200kHz and 1.5MHz, allowing optimization for efficiency or component size.

Lack of synchronous rectifier for simplicity in certain applications.

Clock synchronization feature to reduce EMI and improve system compatibility.

Incorporates PMBus serial interface for advanced control and monitoring capabilities.

Advanced control features include frequency control, phase control, and power good signal for enhanced system stability and performance.

Operational across a broad temperature range from -40°C to 125°C, suitable for challenging environments.

Product Advantages

Enhanced power efficiency and thermal management due to dual outputs and phase control.

Flexible design options facilitated by adjustable switching frequency.

Advanced telemetry and control through PMBus interface.

Robust performance in extreme temperatures.

Key Technical Parameters

Output Type: PWM Signal

Function: Step-Down

Number of Outputs: 2

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

Frequency Switching: 200kHz ~ 1.5MHz

Mounting Type: Surface Mount

Package / Case: 40-VFQFN Exposed Pad

Quality and Safety Features

Packaged in Tape & Reel (TR) for reliable automated assembly.

Operating in harsh thermal conditions with a temperature range of -40°C to 125°C.

Compatibility

Suitable for surface mount technology, aiding in simplified board layout and design.

Application Areas

Telecommunications

Server and Enterprise Solutions

Industrial Systems

Portable Electronics

Product Lifecycle

Status: Active, indicating ongoing production and support.

Not nearing discontinuation, with no immediate plans for replacements or upgrades, ensuring long-term availability.

Several Key Reasons to Choose This Product

Exceptional performance supported by Texas Instruments’ reputation for quality and reliability in power management solutions.

Dual phase operation significantly improves efficiency and thermal performance.

Customizable switching frequency for targeted performance or footprint optimization.

Integration of PMBus for advanced functionalities and precise system control.

Broad compatibility and applicability across multiple industries and applications.

Strong performance assurance under a wide range of operating temperatures.

Supported by Texas Instruments, ensuring availability of technical support and documentation.