Murata Adds 35A Power Block to use with ZMDI Digital Controllers

The latest addition to its OKLP range of 'Power Block' products has been announced by Murata Power Solutions. In addition to the recently introduced 25A device, Murata now offers the OKLP-X/35-W12-C, a 35A Power Block solution. The Power Block concept sits between a discrete Point-of-Load (PoL) design and that of a complete non-isolated buck converter module. The Power Block is essentially a non-isolated buck converter without the pwm controller. It can be used in Central Control Architectures and other system designs where the controller physically separated from the power-handling components. The OKLP-X/35-W12-C power block measures 25.4mm x 12.7mm x 11.1mm and has a typical efficiency rating of 94%. Input voltage is a nominal 12Vdc and can accommodate the range of 7Vdc to 13.2Vdc.

The Power Block design approach allows the power engineer to achieve the highest efficiency and maximum possible power and current density while maintaining a high performance system at a lower cost when compared to a complete module design approach. Murata’s Power Block provides a single package solution that incorporates all of the power handling components, fully tested and characterized for thermal and dynamic performance. The Power Block design approach is designed for today’s power-hungry FPGAs, ASICs, computing and IBA architectures. Most analogue or digital pwn controllers can be used with the Power Block; however, the maximum benefits are achieved when coupled with ZMD AG’s (ZMDI’s) ZSPM1035 single-phase digital pwm IC controller family.

“With the addition of the ZSPM1035 digital pwm controller family ICs for the 35A Murata Power Block, we are extending our successful application-ready 25A POL solutions up to 35A. Our customers especially value the proven technology of ZMDI and Murata at higher currents,” said Andrew Smith, Product Marketing Manager at ZMDI. “To help our customers quickly add the customized POL solution in their end-application, we provide complete construction kits containing documentation, layout and tools.”

The combination of ZMDI’s ZSPM1035 and the 35A Murata Power Block provides a ready, tested, and optimally preconfigured 35A point-of-load solution. Designers have access to a full downloadable construction kit that includes step-by-step instructions and a software wizard. ZMDI’s Pink Power Designer™ GUI allows fast module configuration that speeds time-to-market. The digital control loop provides ultra-fast transient response, steady-state performance, stability, and design flexibility. Up to four different output capacitor ranges can be supported by selecting the preconfigured ZMDI controller.

“We are excited to offer this unique Power Block architecture to power systems design engineers as it provides them with flexibility and options to improve power density, performance, and overall system costs,” says Bill Smith, director of marketing, board-mount power, for Murata Power Solutions. “We see our OKLP Power Block series as a means to address the ever-growing requirements for increased power densities in networking applications.”