Texas Instruments - First high-current PMBus converters with EMI/EMC frequency sync reduction (TPS544B25)

Texas Instruments Introduces Industry's First 20A and 30A Synchronous DC-DC Step-Down Converters with Frequency Synchronization for Low Noise and Reduced EMI / EMC and PMBus Interface for Adaptive Voltage Scaling (AVS) . SWIFT 20A TPS544B25 and 30A TPS544C25 converters integrate MOSFETs and have a small PowerStack QFN package for space-constrained and power-intensive applications in a variety of markets, including wired and wireless communications, enterprise and cloud computing, and data storage systems Drives the ASIC. These converters are used in conjunction with TI's award-winning WEBENCH online design tool to simplify power conversion and speed up the power supply design process. The highly integrated converter has 0.5% reference voltage accuracy and fully differential remote voltage detection function, which can meet the voltage requirements of deep sub-micron processors. Synchronizing with the frequency of the external clock eliminates beat frequency noise and reduces EMI. In addition, the TPS544B25 and TPS544C25 provide pin-bundling capabilities that enable the device to boot to an output voltage set by a single resistor without PMBus commands. Programmability, real-time monitoring of output voltage, current, and external temperature, and fault reporting through PMBus simplify power supply design, improve reliability, and reduce component count and system cost. Read a blog post on "Choosing the Right PMBus POL Solution for Your Application". For applications such as enterprise Ethernet switches, TI also provides the UCD90240 24-rail PMBus power sequencer and power manager. Together, TPS544C25 and UCD90240 provide a complete PMBus point of load (POL) and sequencing solution. Key Features: 1-Integrated power MOSFET supports 20-A and 30-A continuous output current. 2-On-chip PMBus interface and non-volatile memory simplify power supply design and enable customization. 3-Voltage control mode with input feed-forward function improves noise margin and responds immediately to input voltage changes. Watch a video about the benefits of adaptive voltage scaling. 4-Other functions include internal soft-start, input under-voltage protection, thermal shutdown and reset functions. About Texas Instruments' SWIFT Products As part of TI's industry-leading DC-DC converter portfolio, the SWIFT product line includes more than 130 converters with integrated MOSFETs that support an input voltage range from 3V to 28V. SWIFT products provide high density and high performance; power DSP, FPGA and other processors; and have full functionality in TI's WEBENCH power design tool. WEBENCH Designer and Architect component libraries contain more than 40,000 components from 120 manufacturers. TI's distribution partners update prices and availability every hour for design optimization and production planning. Users in eight languages ​​can compare complete system designs and make supply chain decisions in minutes. The SWIFT buck converter is available in a 40-pin 5mm x 7mm x 1mm PowerStack QFN package. Evaluation modules are also available.