The TPS51120EVM-001 from Texas Instruments is a fully assembled and tested circuit for evaluating the TPS51120 Dual-Synchronous, Step-Down Controller with Out-of-Audio™ Operation and 100-mA LDOs. This evaluation module (EVM) is designed to help users assess the performance of the TPS51120 in a typical low-voltage application while providing a robust development environment for designing and testing various operating conditions.

Key Features

• Integrated dual-synchronous buck controller optimized for notebook and portable power systems.
• Wide input voltage range from 5.5 V to 28 V, suitable for a variety of DC power sources.
• Adjustable output voltage settings that can support a range of applications.
• High efficiency achieved through integrated 100-mA LDOs and a 99% duty cycle for low dropout operations.
• Out-of-Audio™ mode operation which minimizes audio-frequency modulation interference.
• Power Good (PGOOD) outputs for each channel, enabling easy power sequencing and system monitoring.
• Thermal shutdown and overcurrent protection features enhance system reliability and safety.
• Compact and thermally efficient QFN-24 package.

Applications

Designed for flexibility, the TPS51120EVM-001 is ideal for developing a wide range of power management solutions, including:

• Notebook and ultrabook computers
• Tablets and mobile internet devices
• Networking and telecommunications equipment
• Set-top boxes and digital TVs
• Other portable and battery-powered applications

Design and Layout Considerations

The TPS51120EVM-001 provides a convenient platform for testing the TPS51120 controller. Its layout is optimized for minimal noise and maximum power efficiency. Users are encouraged to refer to the EVM user guide for detailed information on component placement, trace routing, and heat dissipation strategies to ensure optimal performance when integrating the TPS51120 into their own designs.

Support and Resources

For technical support, reference designs, and additional resources, users can access Texas Instruments' extensive online support network. Detailed documentation, including the TPS51120 datasheet, user's guide for the EVM, and application notes, are available to assist in the rapid development of end-products.