TPS40051PWPR - Texas Instruments

Manufacturer Part Number

TPS40051PWPR

Manufacturer

Texas Instruments

Introduction

The TPS40051PWPR is a specialized Power Management IC designed for DC DC switching control, primarily utilized in buck (step-down) conversions.

Product Features and Performance

Step-down (buck) topology achieving efficient power conversion

Supports synchronous rectification for improved efficiency

Capable of up to 94% duty cycle for low-dropout operation

Includes features like current limit, enable pin, frequency control, and soft start for a smoother operation

Operates at a switching frequency of 500kHz, allowing for smaller passive components

Supports clock synchronization for noise-sensitive applications

Designed for a wide voltage supply range of 8V to 40V, accommodating various input sources

Product Advantages

High efficiency and flexibility in managing power

Reduced external component size due to high switching frequency

Enhanced system reliability through built-in protection features

Wide operating temperature range suitable for industrial applications

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Output Configuration: Positive

Voltage Supply (Vcc/Vdd): 8V ~ 40V

Frequency Switching: 500kHz

Duty Cycle (Max): 94%

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Incorporates current limit feature for overcurrent protection

Soft start to mitigate power-on surges

Built for robust operation in harsh environmental conditions

Compatibility

Surface Mount packaging for compatibility with modern PCB assembly processes

Suitable for a wide range of power applications due to its flexible input voltage requirement

Application Areas

Power supply modules

Industrial equipment

Telecommunication infrastructure

Automotive systems

Product Lifecycle

Specified as Not For New Designs, indicating that it may be nearing the end of its lifecycle but still supported by Texas Instruments

Users should consider future availability and potential replacements or upgrades for long-term designs

Several Key Reasons to Choose This Product

High efficiency and flexibility in power management

Reduced component sizes thanks to high switching frequency

Built-in features for enhanced safety and reliability

Compatibility with a wide range of applications and systems

Support from Texas Instruments despite its status, providing reliability for ongoing designs