Manufacturer Part Number
TPS54040QDGQRQ1
Manufacturer
Texas Instruments
Introduction
The TPS54040QDGQRQ1 is a step-down DC/DC regulator designed for automotive and industrial applications requiring efficient voltage conversion.
Product Features and Performance
Eco-Mode™ for improved efficiency at light loads.
Adjustable output voltage range suitable for varied applications.
Step-down (Buck) topology for efficient downscaling of input voltage.
High-frequency switching capability between 100kHz and 2.5MHz for flexible performance.
Operates across a wide input voltage range from 3.5V to 42V.
Supports output voltage from 0.8V to 39V adjustable range.
Maximum output current of 500mA to power various circuits.
Non-synchronous rectifier design.
Capable of operating in high-temperature environments up to 150°C (TJ).
Surface Mount packaging suits modern automated manufacturing.
Product Advantages
Qualified for automotive applications by AEC-Q100 standard.
Eco-Mode™ technology reduces power loss and increases efficiency.
High-temperature operational capability is ideal for harsh environments.
High switching frequency allows the use of small external components.
Wide input voltage range accommodates varying power supplies.
Key Technical Parameters
Voltage Input (Min): 3.5V
Voltage Input (Max): 42V
Voltage Output (Min/Fixed): 0.8V
Voltage Output (Max): 39V
Current Output: 500mA
Frequency Switching: 100kHz ~ 2.5MHz
Operating Temperature: -40°C ~ 150°C (TJ)
Mounting Type: Surface Mount
Package / Case: 10-PowerTFSOP, 10-MSOP
Quality and Safety Features
Automotive grade reliability
AEC-Q100 Certification
Compatibility
Compatible with automotive systems
Surface mount compatible with standard PCB manufacturing processes
Application Areas
Automotive electronics
Industrial power supplies
Portable devices
Power management applications
Product Lifecycle
Obsolete product status
Replacement or upgrade may or may not be available. Contact Texas Instruments for alternatives.
Several Key Reasons to Choose This Product
Texas Instruments' reputation for reliability and performance.
Eco-Mode™ technology significantly improves light-load efficiency.
Versatile input and output voltage ranges cover various application needs.
High maximum operating temperature caters to demanding environments.
AEC-Q100 qualification ensures automotive-grade quality and reliability.
Broad switching frequency range enables optimization of efficiency and size.
Readily available in surface mount package for easy integration into modern designs.
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