Manufacturer Part Number
TPS5450QDDARQ1
Manufacturer
Texas Instruments
Introduction
The TPS5450QDDARQ1 is a step-down (buck) regulator with adjustable output designed by Texas Instruments, primarily for automotive power management applications.
Product Features and Performance
Step-Down (Buck) Regulator
Adjustable Output Configuration
Buck Topology
Single Output
Input Voltage Range: 5.5V to 36V
Adjustable Output Voltage Range: 1.221V to 32.04V
Output Current: 5A
Switching Frequency: 500kHz
Operating Temperature Range: -40°C to 125°C
AEC-Q100 Qualified for Automotive Applications
Surface Mount Technology
Packaged in 8-PowerSOIC with PowerPad
Product Advantages
Supports a wide range of input voltages, providing flexibility in various applications.
High output current capability suitable for demanding applications.
Adjustable output voltage enhances customization for specific needs.
High switching frequency allows for smaller external components, reducing overall board space.
Key Technical Parameters
Voltage Input (Min): 5.5V
Voltage Input (Max): 36V
Voltage Output (Min/Fixed): 1.221V
Voltage Output (Max): 32.04V
Current Output: 5A
Frequency Switching: 500kHz
Quality and Safety Features
Operates reliably in a wide temperature range (-40°C to 125°C).
AEC-Q100 qualification ensures suitability and reliability for automotive applications.
Compatibility
Compatible with various types of external components due to adjustable output and high switching frequency.
Surface Mount package for modern PCB assembly techniques.
Application Areas
Automotive systems
Power regulation for microcontrollers, sensors, and other electronic components in vehicles.
Product Lifecycle
Obsolete status, indicating it is nearing end of life with potential limited availability.
Customers should seek replacements or upgrades through Texas Instruments' suggestions or alternative parts.
Several Key Reasons to Choose This Product
Wide input voltage range accommodating a broad range of power sources.
High output current ideal for power-intensive automotive applications.
Adjustable voltage output provides design flexibility.
High efficiency with 500kHz switching frequency reduces the need for heat dissipation measures.
Automotive grade quality ensures reliability and performance under harsh conditions.
AEC-Q100 qualification represents a high standard of automotive reliability.