The TPS54160DGQR is a buck (step-down) voltage regulator integrated circuit manufactured by Texas Instruments. This IC is designed to step down voltage efficiently and can supply up to 1.5A of current. It is housed in a 10-pin MSOP (Mini Small Outline Package). Here is an overview of the TPS54160DGQR, including its specifications, features, main uses, application fields, working principle, and potential alternative models:


TPS54160DGQR Overview:

  • Manufacturer: Texas Instruments
  • IC Type: Buck (Step-Down) Voltage Regulator
  • Package Type: 10-pin MSOP (Mini Small Outline Package)
  • Maximum Output Current: 1.5A
  • Adjustable Output: Allows for adjustable output voltage


  • Output Type: Adjustable output voltage regulator (buck converter)
  • Maximum Output Current: 1.5A for powering various loads
  • Package Size: 10-pin MSOP for compact PCB design
  • Efficiency: High efficiency design for power-sensitive applications
  • Switching Frequency: Typically operates in the range of tens to hundreds of kHz
  • DataSheet

    TPS54160DGQR PDF

Main Uses:

  • Power Management: Ideal for providing regulated power in various applications
  • Battery-Powered Devices: Suitable for battery-powered devices requiring stable voltage
  • Embedded Systems: Commonly used in embedded systems and IoT devices
  • Voltage Regulation: Efficiently steps down voltage for specific components


  • Adjustable Output: Allows for flexibility in setting the output voltage as needed
  • High Efficiency: Designed for optimal power conversion efficiency
  • Overcurrent Protection: Safeguards against excessive current draw
  • Thermal Shutdown: Protects the IC from overheating
  • Wide Input Voltage Range: Operates over a range of input voltage levels

Application Fields:

  • Consumer Electronics: Used in a wide range of consumer electronic devices
  • Automotive: Integrated into automotive systems for power regulation
  • Industrial Equipment: Deployed in industrial machinery and equipment
  • Telecommunications: Found in various telecommunications applications

Working Principle:

  • The TPS54160DGQR operates as a buck regulator, converting a higher input voltage to a lower, regulated output voltage.
  • It uses high-frequency switching to efficiently step down the voltage with minimal power loss.
  • The adjustable output feature allows for customization of the output voltage level as required by the application.

Alternative Models:

  • LM2596: A widely used buck regulator IC offering similar functionality
  • LM2940: Linear voltage regulator IC suitable for certain applications
  • MP2307: Another buck regulator IC with comparable features

The TPS54160DGQR from Texas Instruments is a versatile buck voltage regulator IC capable of efficiently stepping down voltage levels for a wide range of applications. Understanding its features, specifications, and application scenarios can help in effectively integrating it into power management systems. For detailed electrical characteristics, application notes, and design considerations, referring to the official datasheet for the TPS54160DGQR is recommended.