TPS51120 Dual Synchronous Step Down Controller QFN32

High-Efficiency Power Management Solution

The Texas Instruments TPS51120 is a high-performance dual synchronous step-down controller designed for modern electronics. This integrated circuit is engineered to provide two precisely regulated voltage outputs from a single input source, making it an essential component for complex power management systems. Ideal for applications requiring high efficiency and a compact footprint, this controller helps minimize power loss and thermal stress. You can order this essential power management IC, which is in stock and ready for your project or repair needs.

Advanced Features and Synchronous Control

As a dual synchronous controller, the TPS51120 utilizes external N-channel MOSFETs for both high-side and low-side switches, leading to significantly higher conversion efficiency compared to non-synchronous controllers. This design is crucial for battery-powered devices and high-current applications where every milliwatt matters. The chip, often identified by markings like TPS 51120 TI or simply 51120, integrates advanced control logic to ensure stable and reliable operation across a wide range of load conditions, making it a versatile choice for designers.

Compact QFN32 Package Specifications

This TPS51120 controller comes in a 32-pin QFN (Quad Flat No-leads) package, which offers a very small footprint ideal for space-constrained circuit boards. The specific part number for this variant is TPS51120RHB. The QFN package also provides excellent thermal performance due to its exposed thermal pad, which can be soldered directly to the PCB for effective heat dissipation. This feature is critical for maintaining the reliability and longevity of the controller, especially when operating under heavy loads or in high-temperature environments.

Versatile Applications and Use Cases

The TPS51120 is widely used in a variety of electronic devices that require efficient multi-rail power solutions. Its most common applications are in laptop motherboards, notebook computers, and tablet PCs for generating core, graphics, and system agent voltages. It is also suitable for use in networking equipment, set-top boxes, and other embedded systems where multiple voltage levels are necessary. If you are repairing or designing such systems, this dual controller is a reliable component to get your device operating correctly.

Professional Installation Requirements

Please note that replacing this component requires advanced technical skills and specialized equipment. Successful installation of the QFN32 package necessitates the use of a hot-air soldering station and a pre-heating station to manage board temperatures effectively and prevent damage to the chip or the PCB. We recommend that only experienced technicians or electronics engineers purchase this item. Attempting to replace this chip without the proper tools and expertise may result in permanent damage to your device's motherboard.

Critical Handling and Preparation Procedures

This device is highly sensitive to Electrostatic Discharge (ESD). It is imperative to use proper ESD-safe practices, such as wearing an anti-static wrist strap and working on an ESD-protected surface, when handling the TPS51120RHB. Furthermore, to ensure a successful reflow soldering process and prevent internal damage from moisture, the chip must be prebaked. We strongly advise baking the component at 125 degrees Celsius for a full 24 hours before soldering. This step removes any absorbed moisture, a phenomenon known as the 'popcorn effect'.

What You Will Receive

This product listing is for a quantity of two brand-new TPS51120 integrated circuits. The chips are supplied in a cut-tape section from their original reel package, ensuring they are factory-fresh and have been stored correctly. The images shown on this page are not stock photos; they are pictures of the actual item for sale, so you can be confident in what you are about to purchase. This transparency ensures you know the exact condition and markings of the component you will receive for your repair or project.

Warranty and Worldwide Delivery

We stand behind the quality of our components with a comprehensive 180-day warranty, giving you peace of mind with your purchase. This genuine Texas Instruments controller is available and ready to be dispatched. We offer fast worldwide shipping to ensure you receive your part as quickly as possible, no matter where you are located. You can count on our fast international delivery service to minimize downtime and help you complete your project or repair on schedule. Get your electronics back in working order with this reliable part.