TPS40400RHLT - Texas Instruments

Manufacturer Part Number

TPS40400RHLT

Manufacturer

Texas Instruments

Introduction

The TPS40400RHLT is a flexible, multi-featured, programmable synchronous step-down controller from Texas Instruments, designed for precision power delivery in a variety of applications.

Product Features and Performance

Flexible programmable operating parameters

High-performance step-down regulation

Wide voltage supply range from 3V to 20V

Adjustable switching frequency: 200kHz to 2MHz

High duty cycle up to 90% for low dropout operations

Integrated synchronous rectifier for improved efficiency

Clock synchronization feature to reduce noise

Supports PMBus communication for system integration

Includes Power Good and Tracking control features

Thermal regulation for consistent performance

Two current sensing methods: lossless inductor DCR sensing and precise resistor sensing

Product Advantages

Optimized for precision and efficiency

Designed for easy integration into complex systems

Reduces system power losses

Flexibility in power supply design

Robust thermal management

Advanced communication interface (PMBus)

Key Technical Parameters

Single output with positive output configuration

Buck topology for step-down conversion

One output phase

Duty cycle maximum: 90%

Operating temperature range: -40°C to 125°C (TJ)

Surface mount device with 24-VFQFN Exposed Pad

Quality and Safety Features

Built-in safeguards against thermal overload

Protection against under-voltage and over-voltage conditions

Short-circuit protection

Compatibility

Compatible with a wide range of microcontrollers and digital systems via PMBus

Suitable for use with varied input sources within the 3V - 20V supply range

Application Areas

Data center and telecom power systems

Networking and storage systems

FPGAs, ASICs, and processor power supplies

Industrial power systems

Aftermarket power solutions

Product Lifecycle

Currently active and in production

Long-term availability with potential future upgrades for next-generation parts

Several Key Reasons to Choose This Product

High integration level reduces external component count

Customizable to a wide array of power supply requirements

High reliability and built-in protection features

Enhanced power density for space-constrained applications

Advanced power management features for precise control

Adaptable and future-proof with programmable functions and upgrades

Industry-leading performance by Texas Instruments