TPS564201DDCR Step-Down Converter by Texas Instruments

The TPS564201DDCR from Texas Instruments is a highly efficient, small-sized, step-down (buck) converter that is designed to deliver a fixed output voltage with excellent load and line regulation. This converter is a part of TI's extensive range of power management integrated circuits (ICs) and is suitable for a variety of applications, including consumer electronics, networking, industrial, and automotive systems.

Key Features

• Output Voltage: The device provides a fixed 3.3V output voltage, which is ideal for powering low-voltage digital circuits and microcontrollers.
• High Efficiency: With an efficiency that can reach up to 95%, the TPS564201DDCR ensures minimal power loss and heat generation, making it suitable for energy-sensitive applications.
• Current Capability: It can deliver up to 4A of continuous output current, catering to a range of power-hungry devices.
• Input Voltage Range: The input voltage can range from 4.5V to 17V, allowing flexibility in various system configurations and battery chemistries.
• Package: The device comes in a compact 6-pin SOT-23 package, which is ideal for space-constrained applications.
• Thermal Performance: Enhanced thermal performance is ensured through its low RDS(on) integrated MOSFETs.

Protection Features

• Overcurrent Protection: The TPS564201DDCR includes cycle-by-cycle current limiting to protect against overcurrent conditions.
• Thermal Shutdown: An internal thermal shutdown feature protects the device from overheating, enhancing system reliability.
• Under-Voltage Lockout (UVLO): The UVLO function ensures that the device operates at the correct input voltage levels to prevent undervoltage conditions.

Applications

The versatility of the TPS564201DDCR makes it an excellent choice for a wide array of applications, including:

• Point-of-Load (POL) power supplies
• Set-top boxes, TVs, and other consumer electronics
• Networking equipment such as routers and switches
• Industrial and automation systems
• Automotive infotainment and telematics

With its robust feature set and compact size, the TPS564201DDCR is an ideal solution for designers looking to balance performance, efficiency, and space constraints in their power supply designs.