TI Introduces Industry's First 65V Synchronous Buck Converter Supporting Fly-Buck Capabilities
Texas Instruments has introduced the industry's first 65V synchronous buck converter that provides up to 15W of isolated bias supply without the need for an optocoupler. As part of TI's innovative Fly-Buck power portfolio, the LM5160A increases power density and addresses higher power requirements in industrial and automotive applications in a more efficient and reliable manner. These applications include: three-phase AC motor drives, programmable logic controllers (PLCs), smart metering, renewable energy or grid infrastructure, factory automation, Power over Ethernet (POE) IP cameras and electric vehicles. For more information and samples and evaluation boards, visit
The LM5160A converter features constant on-time control without loop compensation and high step-down ratios with fast transient response. This innovative converter with a wide input voltage range of 4.5V to 65V can generate positive or negative biased power rails in a non-isolated design, or generate single or multiple isolated outputs while minimizing the solution size. In addition, this converter simplifies the design work compared to traditional flyback solutions. Used in conjunction with TI's award-winning WEBENCH® online design tool, the LM5160A accelerates time-to-market for high-power DC/DC designs.
Key features and benefits of the LM5160A:
The 4.5V to 65V input voltage range allows the converter to operate efficiently under fast transient conditions without the need for an input clamp circuit for high reliability.
· Constant on-time control provides fast transient response and uses a smaller number of components.
• Programmable soft-start reduces inrush current when powering heavy or large capacitors.
• Internal ±1% voltage reference and VOUT error correction improve accuracy over the line, load and temperature range.
The new Fly-Buck converter is part of TI's proven DC/DC portfolio with its industry-leading, high-performance power conversion. TI also offers several devices with a Fly-Buck architecture, including the LM5017 converter, which supports input voltages up to 100V. Watch a video on how to design with a Fly-Buck topology and read a blog about the new reference design. You can also find more details and design resources at ti.com.cn/fly-buck.
Texas Instruments' award-winning WEBENCH tool
WEBENCH design tools and architecture are the industry's only online tools for end-to-end circuit design, simulation and optimization for packaging, price and efficiency, and the ability to route schematics and printed circuit board (PCB) layout files Download directly to Computer Aided Design (CAD) tools. The component library includes more than 40,000 components from 120 manufacturers; TI's distributors update prices and availability every hour. The tool supports 8 languages, allowing users to compare the entire system design and make supply chain decisions in minutes. Please click here to start a free design.
Availability
The LM5160A is now in volume production.
Find out more about the TI Fly-Buck portfolio and design resources at the following link:
Watch the video related to the Fly-Buck portfolio and see how the LM5160A simplifies design and reduces solution size.
See the motor driver reference design for the unique LM5160A.
· Download the Fly-Buck reference design from the TI Designs reference design library.
· For more information on smart grid and factory automation solutions, visit ti.com.
Search for solutions, get help, and share knowledge and solve problems with peer engineers and TI experts in the Texas Instruments online support community.
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