TPS5120QDBTRQ1G4 - Texas Instruments

Manufacturer Part Number

TPS5120QDBTRQ1G4

Manufacturer

Texas Instruments

Introduction

The TPS5120QDBTRQ1G4 is an automotive-grade dual-output, synchronous step-down controller designed for power management applications.

Product Features and Performance

Synchronous step-down (buck) controller

Dual outputs for versatile power management

Supports a voltage supply range from 4.5V to 28V

300kHz switching frequency for efficient power conversion

Maximum 83% duty cycle

Includes features like Enable, Power Good, and Soft Start for enhanced control

Operating temperature range from -40°C to 125°C

Product Advantages

Dual-output functionality enables simultaneous management of multiple power rails

High maximum duty cycle enables efficient high-power operation

Built for automotive applications, ensuring robustness and reliability

Synchronous rectification for improved power efficiency and reduced heat generation

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Output Configuration: Positive

Topology: Buck

Number of Outputs: 2

Output Phases: 2

Voltage Supply (Vcc/Vdd): 4.5V ~ 28V

Frequency Switching: 300kHz

Duty Cycle (Max): 83%

Synchronous Rectifier: Yes

Quality and Safety Features

Design complies with AEC-Q100 automotive qualification standard

Operating temperature tolerance ensures reliability under extreme conditions

Compatibility

Suitable for surface mount technology applications

Application Areas

Automotive electronics systems

Power management circuits in vehicle control units

Product Lifecycle

Discontinued at Digi-Key, signify limited availability

Customers should consider seeking replacements or evaluating upgrade options

Several Key Reasons to Choose This Product

Automotive-grade qualification ensures high reliability and performance under harsh conditions

Dual output functionality increases system design flexibility

Synchronous rectification feature offers improved efficiency

Wide input voltage range makes it adaptable to various automotive power systems

Comprehensive control features like Enable, Power Good, and Soft Start enhance system stability and functionality