TPS65400QRGZTQ1 - Texas Instruments

Manufacturer Part Number

TPS65400QRGZTQ1

Manufacturer

Texas Instruments

Introduction

The TPS65400QRGZTQ1 is a highly efficient, multi-phase, step-down voltage regulator designed for automotive applications, offering precise power control in a compact package.

Product Features and Performance

Multi-phase step-down voltage regulation

Adjustable output voltage ranging from 0.6V to 16.2V

4 output channels with current capabilities of 4A and 2A

Synchronous rectification for improved efficiency

Wide input voltage range from 4.5V to 18V

Switching frequency adjustable from 275kHz to 2.2MHz

High-temperature operation from -40°C to 125°C

Product Advantages

Efficient power conversion reduces heat and improves reliability

Flexible power management with adjustable output voltages

Designed for automotive applications meeting AEC-Q100 standards

Multi-phase operation for stable power delivery

Compact 48-VFQFN package saves board space

Key Technical Parameters

Input Voltage: 4.5V (Min) 18V (Max)

Output Voltage: 0.6V (Min) 16.2V (Max)

Current Output: 4A, 2A

Switching Frequency: 275kHz 2.2MHz

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

AEC-Q100 qualified for automotive application

Built-in thermal and over-current protection

Synchronous rectification for high efficiency and low power dissipation

Compatibility

Compatible with a wide range of input voltages and load conditions

Flexible design suitable for various automotive power systems

Application Areas

Automotive systems including infotainment, lighting, and ADAS (Advanced Driver Assistance Systems)

Power regulation for ECUs (Electronic Control Units)

Industrial and telecommunications equipment requiring precise voltage regulation

Product Lifecycle

Status: Active

Continuous support and production assured for automotive applications

Not nearing discontinuation, with ongoing development for future upgrades

Several Key Reasons to Choose This Product

High efficiency reduces system power losses and operating temperature

Flexible and precise voltage regulation for critical automotive systems

AEC-Q100 qualification ensures reliability under harsh automotive environments

Multi-output capability simplifies power supply design, reducing additional components

Compact and reliable package designed for challenging applications

Texas Instruments' commitment to quality and long-term availability for automotive industry