TPS40054PWPR - Texas Instruments

Manufacturer Part Number

TPS40054PWPR

Manufacturer

Texas Instruments

Introduction

A step-down DC DC Switching Controller designed for efficient power conversion

Product Features and Performance

High-performance buck regulator controller

Up to 1MHz switching frequency

Maximum 94% duty cycle for high efficiency

Integrated synchronous rectifier for reduced heat dissipation

Frequency synchronization capability

Support for soft startup to prevent current spikes

Current limit feature for better control over output current

Enabling control for power sequence management

Product Advantages

High efficiency at a wide range of input voltages

Suitable for complex environments with an operating temperature range of -40°C to 85°C

Surface mount package for compact PCB designs

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Topology: Buck

Number of Outputs: 1

Voltage - Supply (Vcc/Vdd): 8V to 40V

Frequency - Switching: Up to 1MHz

Duty Cycle (Max): 94%

Quality and Safety Features

Built-in current limit

Thermal shutdown and over-voltage protection

Compatibility

Compatible with various downstream DC-DC converters

Application Areas

Power management in telecommunications

Industrial power systems

Automotive electronics

Networking equipment

Product Lifecycle

Marked as Not For New Designs, indicating future discontinuation with potential for replacement or upgrade solutions

Several Key Reasons to Choose This Product

Efficient power conversion with 94% max duty cycle

Up to 1MHz switching for faster response and reduced passive component size

Synchronous rectification for high efficiency with minimal heat loss

Flexibility with variable input voltage range from 8V to 40V

Surface mount package allows for more efficient use of PCB space

Texas Instruments' reputation for quality and reliability in power management solutions