TPS65400RGZR - Texas Instruments

Manufacturer Part Number

TPS65400RGZR

Manufacturer

Texas Instruments

Introduction

The TPS65400RGZR is a step-down (Buck) DC-DC switching regulator designed for power management applications. It comes in a 48-VFQFN exposed pad package and is surface mountable.

Product Features and Performance

Buck topology with adjustable output

Four output channels

Synchronous Rectification for efficient power conversion

Supports a wide input voltage range from 4.5V to 18V

Adjustable output voltage ranging from 0.6V to 16.2V

Output current capabilities of up to 4A for the primary channel and 2A for secondary channels

Switching frequencies between 275kHz and 2.2MHz

Operates effectively within a temperature range of -40°C to 125°C

Product Advantages

High efficiency due to synchronous rectification

Versatile input and output voltage range suitable for various applications

Multi-channel output for system flexibility

Key Technical Parameters

Number of Outputs: 4

Voltage Input: Min 4.5V, Max 18V

Voltage Output: Min 0.6V, Max 16.2V

Current Output: 4A, 2A

Frequency Switching: 275kHz ~ 2.2MHz

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Built to operate reliably in temperatures ranging from -40°C to 125°C

Enclosed in a robust 48-VFQFN Exposed Pad package for enhanced thermal management

Compatibility

Compatible with various applications requiring adjustable voltage and multiple outputs

Ideal for power management tasks in electronics requiring surface mount components

Application Areas

Consumer Electronics

Industrial Systems

Telecommunications Equipment

Portable Devices

Product Lifecycle

Currently active and in production

Not near discontinuation, with ongoing manufacturer support for upgrades or replacements

Several Key Reasons to Choose This Product

High efficiency and power saving thanks to synchronous rectification technology

Flexible power solution with wide input and output voltage ranges

Multi-output capability allowing simultaneous power supply to multiple circuits

Reliable performance across a wide range of operating temperatures

High-frequency switching capabilities for improved performance