UCC28951QPWRQ1 - Texas Instruments

Manufacturer Part Number

UCC28951QPWRQ1

Manufacturer

Texas Instruments

Introduction

The UCC28951QPWRQ1 is a sophisticated controller for DC-DC switching designed with automotive applications in mind. It is capable of managing full-bridge topologies and integrates features like synchronous rectification for improved efficiency.

Product Features and Performance

Comprehensive control for full-bridge power converters

Supports synchronous rectification for higher efficiency

Capable of operating at frequencies up to 1MHz allowing compact design by enabling the use of smaller passive components

High duty cycle (up to 95%) for broader operational range

Features clock synchronization to manage noise and electromagnetic interference

Includes soft-start functionality to minimize inrush current at startup

Equipped with frequency control and enable function for enhanced control versatility

Operates over a wide supply voltage range (8V to 17V)

Product Advantages

Optimized for automotive applications with a wide operating temperature range (-40°C to 125°C)

Supports high-efficiency conversion, critical for battery-powered applications

Enhanced system reliability through features like synchronous rectification and soft-start

Key Technical Parameters

Output type: Transistor Driver

Topology: Full-Bridge

Number of Outputs: 6

Output Phases: 1

Voltage Supply (Vcc/Vdd): 8V ~ 17V

Frequency Switching: Up to 1MHz

Duty Cycle (Max): 95%

Synchronous Rectifier: Yes

Clock Sync: Yes

Control Features: Enable, Frequency Control, Soft Start

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

Quality and Safety Features

Automotive-grade quality with AEC-Q100 qualification for high reliability in automotive environments

Compatibility

Surface mount technology (TSSOP-24 package) for easy integration into various circuit designs

Application Areas

Primarily designed for automotive power systems

Suitable for high-efficiency DC-DC converters in industrial and telecommunications applications as well

Product Lifecycle

Currently in active production with no indication of nearing discontinuation

Availability of replacements or upgrades has not been specified but supported by Texas Instruments’ track record of providing long-term support and innovations

Several Key Reasons to Choose This Product

High efficiency and reliability tailored for automotive and industrial power systems

Flexible control options and high frequency operation allow for compact power supply design

Robust quality and safety features suited for demanding applications

Active product status with support from a leading manufacturer in the semiconductor industry, Texas Instruments