The TPS40003DGQR is a versatile and efficient DC/DC controller from Texas Instruments (TI), designed for non-isolated, synchronous buck power converters. This advanced power management integrated circuit (IC) is optimized for converting a higher voltage input to a lower voltage output with excellent power efficiency, making it an ideal choice for a wide range of applications, including computing systems, networking equipment, and industrial hardware.

Key Features

• Adjustable Output Voltage: The TPS40003DGQR allows for a flexible output voltage range that can be tailored to meet the specific needs of the application.
• Wide Input Voltage Range: With an input voltage range of 4.5V to 28V, this controller can accommodate various power supply configurations.
• High Efficiency: The device's synchronous buck topology ensures high efficiency, which is critical for reducing heat dissipation and improving system reliability.
• Integrated MOSFET Drivers: Built-in drivers for high-side and low-side N-channel MOSFETs simplify the design and reduce external component count.
• Adjustable Switching Frequency: The switching frequency can be adjusted from 100 kHz to 600 kHz, allowing designers to optimize performance for their specific application.
• Protection Features: The TPS40003DGQR includes under-voltage lockout, over-current protection, and thermal shutdown to safeguard the IC and the system it controls.

Applications

The TPS40003DGQR's flexibility and efficiency make it suitable for a broad array of applications. It's commonly used in:

• Point of Load (POL) power supplies
• Telecommunications equipment
• Networking hardware such as routers and switches
• Industrial control systems
• Servers and storage systems

Package and Availability

The TPS40003DGQR comes in a compact, surface-mount MSOP-10 PowerPAD™ package, which is designed for efficient thermal performance and space-saving on the PCB. For design flexibility and ease of integration, the product is available in tape and reel packaging, facilitating automated manufacturing processes.

For detailed technical specifications, application notes, and support resources, visit the Texas Instruments product page.